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Fence Companies for Installation and Repair in Portsmouth, NH
In Portsmouth the Historic District changes everything about a fence: any fence there needs a building permit and Historic District Commission review first, while elsewhere in the city the permit trigger the city lists is a fence over 7 feet. Call (978) 800-2452 or use the form. A person reads every request and replies with what happens next.
- Free for homeowners
- Portsmouth permit, zoning and HDC notes on this page
- Wood, vinyl, chain link and aluminum
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Fences in Portsmouth
What should the fence be made of?
Wood Fences
Privacy, picket, stockade and split-rail fences in cedar or pressure-treated lumber, new or replaced.
Vinyl Fences
Low-upkeep PVC privacy, semi-privacy and picket fences, with matching gates.
Chain Link & Aluminum
Galvanized or coated chain link and ornamental aluminum, including pool enclosures built to code.
Fence Repair
Leaning or rotted posts, sagging gates, storm-damaged sections and broken pickets or panels.
Inside the Historic District?
(978) 800-2452Tell us the street and the style you have in mind, and we'll connect you with a company that knows Portsmouth's permit and HDC steps.
Permits
Fence permits in Portsmouth
Two triggers. Portsmouth's fence page requires a building permit for "Any fence located in the Historic District" and "Any fence over 7 feet in height." It adds that "Materials must be submitted and reviewed by the Historic District Commission before a permit can be issued" (City fence page). The page lists no other cases, so for anything outside those two, a short call to the Inspection Department settles it. Applications go through the city's online permit portal, and the department is at City Hall, 1 Junkins Avenue (Inspection Department).
Time and fees. The Inspection FAQ warns that exterior work in the Historic District needs a separate HDC application, which can add about a month (Inspection FAQ). The fee schedule has no line for fences; it does set the charge for work done without a permit at 200% of the fee or $300, whichever is greater, or the regular fee plus $300 when that fee is over $300 (fee schedule).
- Permit required
- Any fence in the Historic District; any fence over 7 ft
- Historic District order
- HDC review before the building permit
- Yard exemptions
- Up to 4 ft in front yards; up to 8 ft in side and rear yards
- Corner lots
- Keep 2.5 to 10 ft above the pavement clear within 20 ft of the corner
- Work without a permit
- 200% of the fee or $300, whichever is greater
- Office
- Inspection Department, City Hall, 1 Junkins Ave
New Hampshire basics. Permitting is a local power under RSA 155-A:2. The state moved to the 2024 codes on July 1, 2026, accepts either set through December 31, 2026, and requires the 2024 set from January 1, 2027. New Hampshire doesn't license fence contractors; the Attorney General recommends checking references and insurance, using a written contract before work or payment, and questioning any deposit above 50% (NH AG). For residential construction defects, RSA 359-G sets notice steps before a lawsuit, though the statute doesn't say whether a fence alone qualifies. Read more on our New Hampshire fence rules page.
Utility marking. Post holes count as digging under New Hampshire's Dig Safe law. Give notice through 811 or 888-DIG-SAFE at least 72 hours in advance, without counting weekends or legal holidays, and not more than 30 days before; premark the spot in white paint, stakes or other white markings; and finish within the ticket's 30 days. Dig Safe says owners and contractors are both required to notify. A homeowner digging at home avoids only the RSA 374:55 civil penalty, not the obligation to call (Dig Safe; RSA 374). The notice rule in RSA 374:51 covers digging within 100 feet of an underground facility.
Last verified November 2026. Fees, restrictions and deadlines on this page are due for re-checking by January 2027. New England Fence Pros is a referral service: we don't build fences or pull permits, and the company you hire handles any paperwork.
Height and placement
Height limits, setbacks and corner lots in Portsmouth
Yard exemptions. The zoning ordinance, as amended through October 26, 2026, exempts fences not over 4 feet from front yard requirements and fences not over 8 feet from side and rear yard requirements (Section 10.515.13; Zoning Ordinance). In practice that lets a 4-foot fence run along the front and an 8-foot fence along the sides and back without the usual yard setbacks; a taller fence needs another look at the rules.
Corner lots. Within 20 feet of where the street lines meet, Section 10.516.30 bars structures, landscaping or screening that block the view between 2.5 and 10 feet above the pavement. The rule doesn't apply in the CD4-W, CD4 and CD5 character districts. A fence near the corner that stays under 2.5 feet keeps out of that zone.
The ordinance doesn't address which side faces out. On tight lots like the South End's, a survey or the city can confirm the line before posts go in.
Pool fences. Portsmouth requires a building permit for pools, above and below ground, but posts no barrier rules of its own (Inspection FAQ). Barriers follow the swimming pool code New Hampshire adopts. The CPSC's guidance, not a law, describes a barrier at least 48 inches high and self-closing, self-latching gates that swing away from the pool (CPSC Pub. 362).
Historic and wetlands
Historic districts and wetlands in Portsmouth
What the HDC looks for. The Historic District Commission issues Certificates of Approval "for certain exterior changes" (Historic District Commission), and its design guidelines for site elements, adopted April 13, 2016 (guidelines page), cover fences directly. Front-yard fences should be held to 48 inches, walls along sidewalks to 36 inches, and the commission "strongly discourages" chain-link and vinyl or PVC fencing (Site Elements & Streetscapes guidelines). The repair exemption below names wood and metal fencing.
Repairs and timing. In-kind maintenance and repair of existing wood or metal fencing, but not chain link, needs no certificate. The guidelines' introduction says staff generally handle minor in-kind work within 7 to 10 business days and advises allowing at least 4 weeks from the application deadline to a certificate for full commission review (Introduction, 2016). The commission's Rules and Procedures, dating from 2000, set the deadline at 17 days before a meeting; confirm the current deadline with the Planning Department.
Wetland buffers. Wetlands over 10,000 square feet, including most tidal areas, carry a 100-foot buffer in which "New construction, ground disturbance and fill or removal of soil are not allowed" without a City Conditional Use Permit, and the first 25 feet stay vegetated, with no cutting or clearing except hand removal of invasive plants (wetland buffer map). The city's fence page allows fences outside the vegetated buffer strip if the posts are no wider than 3 inches in any dimension and there are no footings or ground disturbance beyond setting the posts (City fence page). The buffer rules were under revision in 2026 drafts (2026 draft), so ask the city before fencing a waterside yard.
Portsmouth's homes
Old wooden houses on close-set lots
A 2014 city housing report put about 38% of homes at 1939 or earlier, with a median build year of 1954, and found multifamily units made up over half the stock (ACS 2008–2012; Housing Existing Conditions). The HDC's guidelines call the South End "a tightly built residential area of wooden houses" and Christian Shore "a 2-story residential area" (HDC Introduction).
Small yards. Setbacks in the General Residence districts are slim: front, side and rear minimums of 15, 10 and 20 feet in GRA, 5, 10 and 25 in GRB, and 5, 10 and 20 in GRC (Zoning Ordinance). With houses close to the street and to each other, the 4-foot front and 8-foot side-and-rear exemptions are the numbers to plan around.
FAQ
Portsmouth fence questions
Which fences need a building permit in Portsmouth?
The city's fence page lists two: any fence located in the Historic District, and any fence over 7 feet tall. In the Historic District, the materials go to the Historic District Commission before the permit can be issued.
Can I put a vinyl or chain-link fence in front of a house in the Historic District?
The commission's 2016 site design guidelines strongly discourage both chain link and vinyl or PVC fencing, and suggest front-yard fences no taller than 48 inches. Wood or metal fences fit the guidelines more easily.
Do I need HDC approval to fix my existing fence?
In-kind maintenance and repair of existing wood or metal fencing needs no Certificate of Approval under the 2016 guidelines; chain link is not included in that exemption. Staff generally handle minor in-kind work within 7 to 10 business days.
How tall can a fence be without meeting yard setbacks?
Under the zoning ordinance, a fence up to 4 feet is exempt from front yard requirements and one up to 8 feet is exempt from side and rear yard requirements. On a corner lot, the visibility zone near the intersection still applies.
What does it cost me to use New England Fence Pros?
Nothing. Asking is free for homeowners; the contractor prices the job, and the price and contract are between you and them.
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