Remodeling and Repairs in Portsmouth, NH
Remodeling, repairs, roofing and siding for Portsmouth homes, with what the Census housing figures for Portsmouth mean for the work.
Homes in Portsmouth
Portsmouth is a city in Rockingham County. According to the U.S. Census Bureau's American Community Survey (2020 to 2024 estimates), it has about 11,370 homes, and the median home was built in 1959. 33 percent were built before 1940, higher than the county (13 percent) and higher than the state (19 percent). 49 percent are single-family houses and 52 percent of households own their home.
| Share of homes | Portsmouth | Rockingham County | New Hampshire |
|---|---|---|---|
| Built before 1940 | 33% | 13% | 19% |
| Built 1940 to 1979 | 33% | 32% | 32% |
| Built 1980 to 1999 | 18% | 32% | 29% |
| Built 2000 or later | 16% | 23% | 20% |
| Single-family houses | 49% | 73% | 69% |
| Two to four units | 15% | 7% | 11% |
| Five or more units | 34% | 16% | 15% |
| Mobile homes | 2% | 4% | 5% |
| Owner-occupied | 52% | 79% | 73% |
| Seasonal or occasional use | 1% | 4% | 10% |
County and state columns are weighted from the town estimates.
What the housing means for the work
- Old houses. 33 percent of Portsmouth homes were built before 1940. Expect old layers of siding and roofing and plank roof decks; we strip to the sheathing or deck and repair it first.
- Lead-safe work. 66 percent of homes were built before 1980. Atlas is an EPA certified lead renovator and follows lead-safe (RRP) practices on pre-1978 paint.
- Rental housing. 49 percent of homes are in buildings with two or more units and 48 percent of households rent. We handle rental maintenance and unit turns.
How Portsmouth homes are heated
The most common main heating fuel in Portsmouth is utility gas (51 percent of households).
| Main heating fuel | Portsmouth | Rockingham County | New Hampshire |
|---|---|---|---|
| Fuel oil or kerosene | 22% | 42% | 40% |
| Propane | 5% | 23% | 19% |
| Utility gas | 51% | 17% | 21% |
| Electricity | 18% | 12% | 11% |
| Wood | 0% | 3% | 6% |
Climate zone and permits
Portsmouth is in climate zone 5; the Rockingham County page lists what the energy code calls for there.
The state building code applies in Portsmouth. We confirm with the Portsmouth city offices whether a job needs a permit, and any permit fee is listed separately on the estimate.
Services for Portsmouth homes
- Siding replacement
- Roofing
- Building science assessments
- Lead-safe renovation
- Rental property maintenance
- Doors, plumbing and repairs
Pricing and travel
Crew travel and fuel to Portsmouth are part of every written estimate. Enter Portsmouth as your town in the Instant Ballpark and it will tell you whether the range already includes them.
Neighboring towns
- GreenlandRockingham County. Median home built 1987; 5% built before 1940.
- New CastleRockingham County. Median home built 1975; 32% built before 1940.
- NewingtonRockingham County. Median home built 1984; 22% built before 1940.
- RyeRockingham County. Median home built 1972; 19% built before 1940.
See every town in Rockingham County, or the statewide service areas page.
Common questions
Do you work in Portsmouth?
Yes. Atlas serves every town and city in New Hampshire, including Portsmouth. Call or text (603) 688-6096 or use the form on this page.