New Hampshire Backyard Chicken Laws: Permits, Limits, and Setbacks by City and County

Last Updated March 19, 2026

Backyard chickens are widely popular across New Hampshire, as the state has no blanket statewide prohibition or fixed flock caps. The New Hampshire Department of Agriculture, Markets & Food (DAMF) primarily focuses on biosecurity, disease control (such as Avian Influenza monitoring), and import regulations like Certificate of Veterinary Inspection (CVI) requirements, leaving specific flock sizes, rooster policies, local permits, and enclosure setbacks entirely to individual cities and towns. In residential neighborhoods and urban centers, rules vary significantly: many cities limit hens to 5–6 per household, strictly ban roosters to prevent noise disturbances, and require one-time or annual permits, while the state’s many rural and "Right-to-Farm" towns tend to be far more permissive with few, if any, numeric restrictions.

Is it legal to keep chickens in city limits or residential areas in New Hampshire? Yes in most jurisdictions, though specific conditions apply—for example, Manchester allows up to 6 hens with a permit and specific coop setbacks (no roosters); Nashua allows hens based on lot size and zoning with a required permit; Concord permits up to 5 hens on residential lots with a $25 permit (roosters prohibited); and Portsmouth allows up to 4 hens with a license and strict neighbor notification rules. Always check your specific street address, as local zoning or Homeowners Associations (HOAs) can impose additional hurdles such as rear-yard-only placement or setbacks (commonly 10–50 feet from property lines). Rural areas and towns with large agricultural zones often have no limits on bird numbers and permit roosters, provided they do not create a public nuisance through odor or unsanitary conditions.

Given New Hampshire's harsh, snowy winters and prevalent predators like foxes, fishers, and hawks, high-quality insulated coops and secure "predator-proof" runs are essential for flock survival. This detailed guide breaks down ordinances for key Granite State cities and towns, tackles frequent searches like "how many chickens can I have in NH?", "are roosters legal in residential zones?", "do I need a permit for a chicken coop?", and "NH backyard poultry laws," and directs you to official municipal sources for the latest verification.

New Hampshire Quick Overview

⚠️ State Notes (DAMF Oversight & Biosecurity)

DAMF focuses on poultry health with no statewide flock cap. CVI required for imports; premises registration encouraged. Towns enforce local limits and permits. Rural areas generally permissive; cold climate demands insulation/ventilation.

Statewide Hen Limit

No statewide limit; all flock sizes are set by towns and cities.

Roosters

Allowed statewide, but usually banned in urban and residential zones.

Permits

Many cities require permits; rural towns often do not.

Setbacks

Local zoning rules apply; typically 10–45 feet from property lines or dwellings.

State Agency

NH Department of Agriculture, Markets & Food (DAMF).

Import Rules

CVI required for poultry imports; biosecurity strongly encouraged.

New Hampshire State Rules & Biosecurity

New Hampshire has no statewide backyard chicken limits or bans. DAMF focuses on poultry health, biosecurity, and import requirements (CVI). All flock size, permit, and setback rules are local (town/city ordinances).

Official Resource: NH DAMF Animal Industry Division

Zoning, Building Permits & HOA Notes

Coops count as accessory structures with local rules on size, height, and setbacks. Building permits may apply for larger coops. HOAs can restrict or ban chickens. Nuisance and sanitation laws apply statewide.

Verify: Check town website or contact zoning office.

New Hampshire Predator Challenges

Common threats include foxes, raccoons, hawks, coyotes, and weasels. Secure coops are essential statewide.

Top risks: Foxes, raccoons, coyotes.
Protection tips: Use buried hardware cloth at least 12 inches deep, strong locks, and elevated coops.

Permits & Local Requirements

DAMF requires no statewide permit for backyard flocks but promotes biosecurity. Many cities/towns require local permits; rural areas often need none for small flocks.

Selling Backyard Eggs in New Hampshire

Small direct-to-consumer egg sales allowed under cottage food rules with no permit for very small scale. Label eggs as ungraded and follow safe handling. Larger sales may need licensing.

New Hampshire State Poultry Slaughter Rules

Under New Hampshire regulations (fully aligned with federal USDA Poultry Products Inspection Act — PPIA — exemptions and no separate state poultry inspection program), backyard poultry owners follow these guidelines statewide:

Personal Use: Fully exempt and legal. You may slaughter birds you raised yourself for your household, family, non-paying guests, or employees without inspection, licensing, or registration required, provided sanitary conditions are followed and the product is not sold or distributed.
Commercial Sale: Restricted. Home-slaughtered poultry meat cannot be sold unless processed in a USDA-inspected facility or under a federal small-producer exemption (e.g., Producer/Grower ≤1,000 birds/year or ≤20,000 birds/year with limits on sales/distribution and sanitary practices). Most backyard flocks do not qualify for resale; exempt product sales are limited (e.g., direct to consumers at the farm/farmers' markets or to restaurants/hotels under registration/education requirements per state rules), and no sales to retail stores, brokers, or institutions without inspection.
Humane Standards: Required. Personal processing must follow humane handling practices under state animal welfare laws and sanitary conditions to ensure products are sound, clean, and fit for human food.
Nuisance Laws: Enforced locally. On-site slaughter in residential areas may be restricted or prohibited due to noise, odors, visibility, waste, or public nuisance ordinances — even where chicken ownership is permitted; local health departments often enforce these promptly.

New Hampshire accepts federal exemptions (1,000- or 20,000-bird limits) with state sanitation and registration requirements for certain exempt sales (e.g., to restaurants). For official guidance, review USDA FSIS Poultry Exemptions or visit the New Hampshire Department of Agriculture, Markets, and Food Uninspected Poultry & Rabbit page (in partnership with DHHS Food Protection Program).

New Hampshire Ordinances by City & County

Belknap County

Shared Core Rules for These Cities/towns: (Alton, Barnstead, Gilmanton, Meredith, Sanbornton)

No hen limit
Roosters allowed
No permit required
Alton: Coops must be kept sanitary.
Barnstead: Animals must be contained (Rural).
Gilmanton: Right‑to‑Farm; standard nuisance rules (Rural).
Meredith: Fences must be under 6 feet.
Sanbornton: Coops must meet accessory structure setbacks (Rural).

Cities/Towns with Unique Ordinances in Belknap County:

Belmont: Roosters allowed on larger lots; coops over 200 sq. ft. require a permit.
Center Harbor: Roosters allowed; standard setbacks apply (Rural).
Gilford: Hen limits vary by zone; roosters prohibited in small residential lots.
Laconia: Up to 5 hens; roosters prohibited; 20-foot setbacks.
New Hampton: Roosters allowed in rural zones; 20-foot setbacks.
Tilton: Up to 10 hens; roosters prohibited in village districts; 15-foot setbacks.

Carroll County

Shared Core Rules for These Cities/towns: (Brookfield, Chatham, Eaton, Effingham, Freedom, Madison, Ossipee, Sandwich, Tamworth, Wakefield)

No hen limit
Roosters allowed
No permit required
Brookfield: Follows NH BMPs (Rural).
Chatham: Birds must not wander (Unincorporated).
Eaton: 25-foot setbacks (Rural).
Effingham: Sanitary conditions required.
Freedom: 30-foot front, 20-foot side/rear setbacks.
Madison: Accessory use; district setbacks apply.
Ossipee: Typical 25-foot setbacks.
Sandwich: Right‑to‑Farm; noise/odor rules apply.
Tamworth: Structures over 100 sq. ft. need permit.
Wakefield: 50 feet from wells; 20-foot setbacks.

Cities/Towns with Unique Ordinances in Carroll County:

Albany: Up to 6 hens; roosters prohibited; 25-foot setbacks.
Bartlett: Coops must be in rear/side yards.
Conway: Up to 12 hens; roosters discouraged; 25-foot setbacks.
Hart's Location: 25-foot setbacks (Unincorporated).
Jackson: 25-foot setbacks (Rural).
Moultonborough: Up to 12 hens; 20-foot setbacks.
Tuftonboro: 20-foot setbacks (Rural).
Wolfeboro: Roosters prohibited in Village District; 20-foot setbacks.

Cheshire County

Shared Core Rules for These Cities/towns: (Alstead, Chesterfield, Dublin, Gilsum, Marlboro, Marlow, Nelson, Richmond, Roxbury, Stoddard, Sullivan, Walpole, Westmoreland)

No hen limit
Roosters allowed
No permit required
Alstead: Coops must be maintained in a sanitary condition to avoid nuisance complaints (Rural).
Chesterfield: Agriculture permitted in all districts; coops must meet 30–50 foot setbacks (Rural).
Dublin: Chickens classified as agricultural use; follow NH Best Management Practices for manure storage.
Gilsum: Protected by Right‑to‑Farm status; maintain standard property line setbacks (Rural).
Marlboro: Coops must not become a public health menace or offensive to neighbors (Rural).
Marlow: Minimal restrictions; livestock must be contained within property boundaries (Rural).
Nelson: Follow state guidelines for biosecurity and predator protection (Rural).
Richmond: Coops must comply with town health and nuisance ordinances (Rural/Agricultural).
Roxbury: Minimal regulation; standard property line setbacks apply (Rural).
Stoddard: Coops must meet setbacks from property lines and water bodies (Rural).
Sullivan: Right‑to‑Farm town; birds must be securely fenced to prevent trespassing (Rural).
Walpole: Coops must follow district‑wide accessory building rules (Agricultural community).
Westmoreland: Ensure adequate drainage for manure management per NH BMPs (Rural).

Cities/Towns with Unique Ordinances in Cheshire County:

Fitzwilliam: Permissive in rural zones | Roosters allowed | No permit required | Structures over 150 sq. ft. require a building permit; enclosures must be kept clean and odor‑free (Rural).
Harrisville: Generally allowed | Roosters allowed | No permit required | Coops must be set back from property lines to minimize neighbor impact.
Hinsdale: Up to 12 chickens in residential zones | Roosters allowed on larger lots | No permit for small flocks | Coops must be in rear yards and meet 15‑foot setbacks.
Jaffrey: Permissive in Rural districts | Roosters allowed | No specific poultry permit | In Residential zones, chickens allowed as accessory use; coops must meet 20–25 foot setbacks (Rural).
Keene: Up to 6 chickens on lots under 1 acre | Roosters allowed only on lots 5+ acres | No permit required | Non‑commercial use only in LD, LD‑1, and MD districts; coops must be in the rear yard (City).
Rindge: Permissive in Residential‑Agricultural zones | Roosters allowed | No permit required | Structures over 100 sq. ft. require a building permit (Rural).
Swanzey: Allowed in Rural/Agricultural and Residential districts | Roosters allowed | No permit for small flocks | Coops must be 20 feet from property lines and maintained in sanitary condition.
Troy: Up to 12 chickens in residential zones | Roosters allowed | No permit required | Must comply with town health and noise standards; coops should meet 10‑foot setbacks.
Winchester: Up to 10 chickens in residential zones | Roosters allowed | Building permit required for coops over 100 sq. ft. | Enclosures must be 20 feet from side and rear property lines.

Coos County

Shared Core Rules for These Cities/towns: (Carroll, Clarksville, Columbia, Dummer, Errol, Jefferson, Milan, Northumberland, Pittsburg, Shelburne, Stark, Stewartstown, Stratford)

No hen limit
Roosters allowed
No permit required
Carroll: 20-foot setbacks (Rural).
Clarksville: Follow state biosecurity guidelines (Rural).
Columbia: 25-foot setbacks (Rural).
Dummer: 20-foot setbacks (Rural).
Errol: Birds must be contained (Rural).
Jefferson: Follow manure/predator BMPs.
Milan: 25-foot setbacks; avoid wetlands.
Northumberland: Nuisance/noise rules apply.
Pittsburg: Extremely permissive; maintain biosecurity.
Shelburne: 25-foot setbacks.
Stark: Right‑to‑Farm; avoid odor nuisances.
Stewartstown: Standard livestock laws.
Stratford: Coops must be clean and safe.

Cities/Towns with Unique Ordinances in Coos County:

Berlin: Up to 6 hens; roosters prohibited; permit required.
Colebrook: Up to 12 hens; roosters prohibited in village; annual inspection.
Dalton: Right‑to‑Farm; sanitary enclosures.
Gorham: Coops over 200 sq. ft. need permit.
Lancaster: 10-foot setbacks; health codes apply.
Whitefield: Up to 12 hens; roosters only in rural zones.

Grafton County

Shared Core Rules for These Cities/towns: (Alexandria, Bath, Benton, Bethlehem, Campton, Canaan, Dorchester, Easton, Ellsworth, Grafton, Groton, Holderness, Landaff, Lyman, Lyme, Monroe, Orange, Orford, Piermont, Rumney, Sugar Hill, Thornton, Warren, Wentworth, Woodstock)

No hen limit
Roosters allowed
No permit required
Alexandria: Standard setbacks.
Bath: Livestock must be contained (Rural).
Benton: Follow state biosecurity guidelines.
Bethlehem: Accessory structure setbacks apply.
Campton: Right‑to‑Farm; manure/predator BMPs.
Canaan: Coops over 200 sq. ft. may need permit.
Dorchester: Livestock must be fenced (Rural).
Easton: 25-foot setbacks.
Ellsworth: Follow avian disease guidelines.
Grafton: Maintain sanitary conditions.
Groton: 20-foot setbacks.
Holderness: Structures over 100 sq. ft. need permit.
Landaff: Livestock must be contained.
Lyman: Follow NH BMPs.
Lyme: Coops over 150 sq. ft. need permit.
Monroe: Birds must be contained (Rural).
Orange: 25-foot setbacks.
Orford: Follow biosecurity guidelines.
Piermont: Avoid noise/odor nuisances.
Rumney: Must meet health ordinances.
Sugar Hill: 25-foot setbacks.
Thornton: Coops must be sanitary.
Warren: 20-foot setbacks.
Wentworth: Birds must be secure.
Woodstock: Accessory building rules apply.

Cities/Towns with Unique Ordinances in Grafton County:

Ashland: Up to 6 hens; roosters prohibited; 15-foot setbacks.
Bridgewater: Coops must be sanitary.
Bristol: Up to 6–10 hens; roosters prohibited; permit required.
Enfield: Up to 12 hens; district setbacks apply.
Franconia: Accessory use permit may be needed.
Hanover: Up to 10 hens; roosters prohibited; zoning permit required.
Haverhill: Up to 6 hens; permit required for 7+.
Hebron: 25-foot setbacks.
Lebanon: 2 hens per acre; permit required.
Lincoln: 20-foot setbacks; allowed in rural zones.
Littleton: Up to 4 hens; roosters prohibited.
Plymouth: Up to 6 hens; 15-foot setbacks.
Waterville Valley: Up to 4 hens; special exception may be required.

Hillsborough County

Shared Core Rules for These Cities/towns: (Antrim, Bennington, Brookline, Deering, Francestown, Hancock, Hillsborough, Hollis, Lyndeborough, Mason, Mont Vernon, New Boston, New Ipswich, Sharon, Temple, Weare, Wilton, Windsor)

No hen limit
Roosters allowed
No permit required
Antrim: Standard setbacks.
Bennington: Right‑to‑Farm; birds must be contained.
Brookline: 20-foot setbacks.
Deering: Follow state BMPs (Rural).
Francestown: Coops over 200 sq. ft. need permit.
Hancock: Predator-proof coops; sanitary conditions.
Hillsborough: Nuisance/noise rules apply.
Hollis: 20-foot setbacks.
Lyndeborough: 25-foot setbacks (Rural).
Mason: Birds must be contained (Rural).
Mont Vernon: 20-foot setbacks.
New Boston: Follow NH BMPs.
New Ipswich: 25-foot setbacks (Rural).
Sharon: Follow biosecurity guidelines.
Temple: 25-foot setbacks.
Weare: 20-foot setbacks.
Wilton: 20-foot setbacks.
Windsor: Follow state biosecurity guidelines.

Cities/Towns with Unique Ordinances in Hillsborough County:

Amherst: Up to 6 hens; roosters prohibited; permit required in some zones.
Bedford: Up to 6–10 hens; roosters prohibited; zoning permit required.
Goffstown: Up to 10 hens; roosters prohibited on small lots; special exception required.
Greenville: Coops must be in rear yard; 15-foot setbacks.
Hudson: Up to 5 hens; roosters prohibited; conditional use permit required.
Litchfield: Up to 12 hens; 20-foot setbacks.
Manchester: Up to 6 hens; roosters prohibited; permit required.
Merrimack: Up to 10 hens; roosters prohibited on small lots.
Milford: 15-foot setbacks.
Nashua: Up to 6 hens; roosters prohibited; permit required.
Pelham: Up to 12 hens; 15-foot setbacks.
Peterborough: Roosters prohibited in downtown district.

Merrimack County

Shared Core Rules for These Cities/towns: (Andover, Bradford, Canterbury, Chichester, Danbury, Dunbarton, Hill, Hopkinton, Loudon, Newbury, Northfield, Pembroke, Pittsfield, Salisbury, Sutton, Warner, Webster)

No hen limit
Roosters allowed
No permit required
Andover: Coops over 200 sq. ft. require a building permit; larger structures must be 50 feet from property lines.
Bradford: Right-to-Farm town; follow NH BMPs and ensure predator protection (Rural).
Canterbury: Highly supportive of agriculture; coops must be 25 feet from property lines.
Chichester: Poultry is a permitted accessory use; standard building setbacks apply.
Danbury: Minimal regulation; livestock must be contained within the owner’s property (Rural).
Dunbarton: Agricultural community; structures over 100 sq. ft. may require a building permit.
Hill: Rural town; follow state guidelines for biosecurity and sanitation.
Hopkinton: Allowed in all zones under Simplified Agriculture updates; structures must meet district setbacks.
Loudon: Very permissive; coops must follow 30-foot accessory building setbacks.
Newbury: Small-scale poultry allowed as accessory use; coops must meet 15-foot setbacks.
Northfield: Right-to-Farm town; poultry must be kept securely to prevent wandering.
Pembroke: Coops must be 10 feet from property lines and kept sanitary (Rural).
Pittsfield: Highly permissive; livestock must be contained on the owner’s property (Rural).
Salisbury: Rural town; permanent structures require 20-foot setbacks.
Sutton: Agricultural activities permitted by right; follow standard setbacks.
Warner: Chickens treated as agricultural use; maintain 25-foot setbacks.
Webster: Right-to-Farm status; coops must not become a nuisance.

Cities/Towns with Unique Ordinances in Merrimack County:

Allenstown: Generally allowed in Rural and Residential districts | Roosters allowed | No permit for small flocks | Coops must be 20 feet from property lines and maintained to prevent odors.
Boscawen: Permitted in Agricultural-Residential zones | Roosters allowed | No permit for non-commercial flocks | Must comply with health and nuisance codes; standard setbacks apply.
Bow: Up to 12 chickens | Roosters allowed only in RU and on 5+ acre lots in some zones | Special Exception required in Industrial zones | Coops must be 20 feet from property lines.
Concord: Up to 5 hens | Roosters prohibited | Zoning Permit required | Limited to single-family lots of at least 1/4 acre; coops must be in rear yard and 20 feet from property lines.
Epsom: Permissive in Residential-Agricultural zones | Roosters allowed | No permit required | Coops must meet 15-foot side/rear setbacks.
Franklin: Up to 6–10 hens depending on lot size | Roosters prohibited in most residential zones | No permit required | Coops must meet 10-foot setbacks.
Henniker: Generally allowed | Roosters allowed | No permit required | Coops must be 25 feet from property lines and 50 feet from wells.
Hooksett: Allowed in LDR, MDR, URD, and HDR districts | Roosters allowed in rural zones | Building permits apply for large structures | Must not create a nuisance.
New London: Up to 12 chickens | Roosters allowed only in Rural-Agricultural zones | No permit required | Coops must be in rear yards.

Rockingham County

Shared Core Rules for These Cities/towns: (Auburn, Brentwood, Candia, Danville, Deerfield, East Kingston, Epping, Fremont, Hampton Falls, Kensington, Kingston, Newfields, Newington, Newton, Northwood, Nottingham, Raymond, Sandown, Seabrook, South Hampton)

No hen limit
Roosters allowed
No permit required
Auburn: Right-to-Farm town; structures over 200 sq. ft. require a building permit.
Brentwood: Agricultural use permitted by right; follow 20-foot setbacks.
Candia: Strong agricultural protections; coops must be sanitary.
Danville: Right-to-Farm community; poultry must be contained and not create nuisance.
Deerfield: Highly permissive; follow state biosecurity and manure guidelines.
East Kingston: Livestock must be contained within property boundaries.
Epping: Accessory agricultural use; maintain 20-foot setbacks.
Fremont: Agricultural activities supported; structures over 100 sq. ft. need a building permit.
Hampton Falls: Right-to-Farm town; ensure predator protection and follow NH BMPs.
Kensington: Highly supportive of agriculture; coops must be 25 feet from property lines.
Kingston: Poultry permitted as accessory use; follow district setbacks.
Newfields: Poultry is a permitted accessory use; coops must meet 25-foot setbacks.
Newington: Standard nuisance and noise ordinances apply; structures must meet zoning setbacks.
Newton: Right-to-Farm status; birds must be contained to prevent trespassing.
Northwood: Highly permissive rural town; coops over 200 sq. ft. require a building permit.
Nottingham: Agricultural community; permanent coops require 20-foot setbacks.
Raymond: Right-to-Farm town; coops must be kept sanitary.
Sandown: Highly permissive; livestock must be securely fenced.
Seabrook: Chickens allowed as accessory use; coops must meet 15-foot setbacks.
South Hampton: Right-to-Farm town; maintain sanitary conditions.

Cities/Towns with Unique Ordinances in Rockingham County:

Atkinson: Allowed in residential zones | Roosters allowed only on lots 2+ acres | No permit required | Coops must be 30 feet from property lines and 100 feet from wells.
Derry: Up to 12 chickens on lots under 1 acre; more on larger lots | Roosters prohibited on lots under 1 acre | No permit required | Coops must be 15 feet from property lines.
Exeter: Up to 4 hens | Roosters prohibited | Health Officer permission required | Coops must be 20 feet from property lines and in rear yard.
Greenland: Generally allowed | Roosters allowed in rural zones | No permit required | Coops must be in rear yard and meet 20-foot setbacks.
Hampstead: Allowed in residential zones | Roosters allowed on 2+ acre lots | No permit required | Coops must meet 15-foot setbacks and health/noise standards.
Hampton: Allowed in residential zones | Roosters prohibited | No permit required | Coops must be in rear yard, 10 feet from property lines; max 5 birds on small lots.
Londonderry: Up to 10 chickens | Roosters prohibited on lots under 1 acre | No permit required | Coops must be 20 feet from side/rear property lines.
New Castle: Up to 3 hens by special permit | Roosters prohibited | Health Officer permit required | Coops must be screened from view.
Newmarket: Up to 6 hens | Roosters prohibited | Permit required | Coops must be 20 feet from any dwelling not occupied by owner.
North Hampton: Allowed in most zones | Roosters allowed only in R-1 on 2+ acres | No permit required | Coops must be 25 feet from property lines and in rear yard.
Plaistow: Up to 10 chickens | Roosters allowed only in Rural zone | No permit required | Coops must meet 15-foot setbacks.
Portsmouth: Up to 4 hens | Roosters prohibited | Annual license + neighbor notification required | Coops must be 20 feet from street line and 10 feet from side/rear lines.
Rye: Generally allowed | Roosters prohibited on lots under 1 acre | No permit required | Coops must meet 20-foot side/rear setbacks.
Salem: Up to 6 hens | Roosters prohibited | Zoning Permit required | Coops must be in rear yard and 15 feet from lot lines.
Seabrook: Generally allowed | Roosters allowed in rural zones | No permit required | Coops must meet 15-foot setbacks.
Stratham: Up to 12 chickens | Roosters allowed only in agricultural zones | No permit required | Coops must meet 25-foot setbacks.
Windham: Allowed as accessory use | Roosters prohibited on lots under 1 acre | No permit required for flocks under 12 | Coops must be in rear yard and 20 feet from property lines.

Strafford County

Shared Core Rules for These Cities/towns: (Barrington, Farmington, Lee, Madbury, Middleton, New Durham, Strafford)

No hen limit
Roosters allowed
No permit required
Barrington: Right-to-Farm town; coops must meet 30-foot front and 15-foot side/rear setbacks.
Farmington: Highly permissive; follow NH BMPs for manure storage; standard setbacks apply.
Lee: Strong agricultural protections; livestock must be contained; structures over 200 sq. ft. need a building permit.
Madbury: Chickens are a permitted agricultural use; 25-foot property line setback and 50-foot well setback.
Middleton: Permissive rural rules; poultry must be kept sanitary to prevent nuisance complaints.
New Durham: Right-to-Farm town; livestock must be securely fenced; coops must meet 20-foot setbacks.
Strafford: Highly permissive rural town; poultry must be contained; coops must meet 25-foot setbacks.

Cities/Towns with Unique Ordinances in Strafford County:

Dover: Up to 6 hens | Roosters prohibited | Permit required | Coops must be in rear yard, 20 feet from adjacent dwellings, and 10 feet from property lines.
Durham: Up to 4 hens | Roosters prohibited | No permit for fewer than 5 birds | Allowed only on single-family lots; coops must be 20 feet from property lines and in rear yard.
Milton: Generally allowed | Roosters allowed | No permit for small flocks | Coops must be 15 feet from side/rear property lines.
Rochester: Up to 6 hens | Roosters prohibited in residential zones | No permit required | Coops must be in rear yard and 10 feet from property lines.
Rollinsford: Up to 12 chickens | Roosters allowed in rural zones | No permit required | Coops must meet 20-foot accessory structure setbacks.
Somersworth: Up to 6 hens | Roosters prohibited | Permit required | Limited to single- and two-family lots; coops must be 20 feet from neighboring dwellings and 10 feet from property lines.

Sullivan County

Shared Core Rules for These Cities/Towns: (Acworth, Cornish, Croydon, Goshen, Langdon, Lempster, Plainfield, Springfield, Unity, Washington)

No hen limit
Roosters allowed
No permit required
Acworth: Highly permissive rural town; coops must meet 25-foot setbacks.
Cornish: Right-to-Farm protections; livestock must be securely fenced.
Croydon: Minimal regulation; follow state biosecurity and health guidelines (Rural).
Goshen: Agricultural use permitted by right; coops over 200 sq. ft. require a building permit.
Langdon: Highly permissive rural rules; maintain sanitary conditions.
Lempster: Right-to-Farm town; birds must be contained and odor-free.
Plainfield: Strong agricultural support; structures must follow district accessory building rules.
Springfield: Permissive rural town; poultry must be securely contained.
Unity: Rural/Agricultural use permitted; coops must meet 20-foot setbacks.
Washington: Minimal restrictions; coops must not become a public nuisance.

Cities/Towns with Unique Ordinances in Sullivan County:

Charlestown: Generally allowed | Roosters allowed | No permit required | Chickens must be contained; coops must meet 20-foot setbacks.
Claremont: Up to 6 hens | Roosters prohibited in City Core | No permit required | Coops must be in rear yard and meet 10-foot setbacks.
Newport: Generally allowed | Roosters allowed in rural zones | No permit required | Coops must follow accessory structure rules and be 15 feet from property lines.
Sunapee: Up to 12 chickens | Roosters allowed in rural zones | No permit required | Coops must meet 20-foot setbacks and be kept clean.

Next Step: Essential Guides for Backyard Chicken Success

New Hampshire winters are no joke, so our sturdy DIY coop blueprints feature double-walled construction options to keep your hens cozy in the mountains. For ongoing care, view our Ultimate Backyard Chicken Coop Management Guide.

New Hampshire Frequently Asked Questions

Are backyard chickens legal in New Hampshire city limits?

Yes, keeping chickens is legal in most New Hampshire urban areas, though rules vary by city limits. While the state has no ban, cities like Manchester and Concord have specific ordinances. In most cases, you can have chickens on your property as long as you follow local flock size limits and health codes.

Do I need a permit for a chicken coop in New Hampshire?

In many residential areas and city limits, a permit for a chicken coop or a poultry license is required. Additionally, because a coop is considered an accessory structure, you may need a building permit if the structure exceeds certain dimensions (often 100–200 sq. ft.). Always check with your local zoning board before building on your property.

How many chickens are you allowed in a residential area?

The number of chickens you can have in a residential area depends entirely on your town. Urban property owners are typically limited to 4–6 hens, while rural New Hampshire residents often have no hen limit. Most residential zones strictly cap numbers to prevent noise and sanitation issues.

Are roosters allowed in residential areas?

Generally, roosters are banned within city limits and densely populated residential zones due to noise ordinances. However, roosters are usually allowed on property located in rural or agricultural zones. If you live in a "Right-to-Farm" town, you may have more flexibility, but nuisance animal laws still apply.

Can an HOA allow backyard chickens if zoning prohibits them?

No. If local New Hampshire zoning prohibits chickens, an HOA cannot override that law to allow them. Conversely, if zoning allows chickens, an HOA can still prohibit or restrict them on your property through private contractual agreements (CC&Rs). You must comply with the stricter of the two rules.

What are the New Hampshire regulations for selling baby chicks?

According to New Hampshire regulations, selling baby chicks or poultry requires following DAMF biosecurity rules. If you are selling baby chicks produced out-of-state, they must have a CVI (Certificate of Veterinary Inspection). For property owners selling locally, you must ensure birds are healthy and, if selling in quantities of 6 or fewer, they must be at least 4 weeks old (per RSA 437:13-a) to prevent impulse buys of "Easter chicks."

Disclaimer: This is not official legal advice. Information is for general reference only, compiled from DAMF, local ordinances, and sources at time of publication. Local laws, zoning, and HOA rules change frequently. Always verify directly with your city, county, planning department, animal control, or HOA for your address. See our full Disclaimer & Legal Notice.