New Hampshire
Site Plans & Permit Drawings in New Hampshire
Permit-ready site plans and drawings for properties in all 10 counties of New Hampshire, drafted from your address to your local permit office’s rules. No site visit.
- 10 counties served
- No site visit
- Local rules checked
- Licensed PE partner
Quick answer
Do You Need a Site Plan for a Permit in New Hampshire?
Yes, most building permits in New Hampshire need a site plan: a scaled drawing of the lot, existing buildings and the new work, with distances to the property lines. In New Hampshire, cities issue building permits inside their limits and the county issues them in unincorporated areas. Your address decides which office reviews your plans. We check that office’s requirements before quoting.
- Permits issued by
- City building departments; the county in unincorporated areas
- Building code
- Local adoption of the International Codes; editions vary by city and county
- Counties
- 10 in New Hampshire, all served
- Largest
- Hillsborough County (427K), Rockingham County (321K), Merrimack County (157K), Strafford County (133K), Grafton County (93K)
- Site visit
- None. We draft from parcel records, aerial imagery and your documents
Counties we serve
All 10 New Hampshire Counties
We prepare drawings for properties in every county in New Hampshire, and check the rules of the city or county that issues your permit.
B
- Belknap County
C
- Carroll County
- Cheshire County
- Coos County
G
- Grafton County
H
- Hillsborough County
M
- Merrimack County
R
- Rockingham County
S
- Strafford County
- Sullivan County
No match. We serve every county in New Hampshire; check the spelling, or send us your address
Counties and population: U.S. Census Bureau, 2023 county population estimates.
Local conditions
What to Know About Permits in New Hampshire
What changes the drawings in New Hampshire. Exact numbers like setbacks and frost depth are set locally; we look them up for your address.
- Who reviews your permitIn New Hampshire, cities issue building permits inside their limits and the county issues them in unincorporated areas. Your address decides which office reviews your plans.
- Flood zonesCheck your parcel on FEMA’s Flood Map Service Center. In a mapped flood zone, permit offices in New Hampshire usually want the zone shown on the site plan, and some work needs an elevation certificate. FEMA flood map
- Snow loadsMountain and northern parts of New Hampshire carry heavy ground snow loads, which drive roof design for garages, carports, sheds and covered porches. Large spans may need an engineer.
- Deep frost linesCold winters push frost deep into the ground in New Hampshire, so deck, porch and garage footings must reach below the frost depth your county sets.
Services
Drawings We Prepare in New Hampshire
Every service, for any property in the state. Ordered together, the sheets are drawn to match.
- Site PlansLot lines, setbacks and new work
- Floor PlansExisting and proposed layouts
- Elevation DrawingsHeights, roof pitch, materials
- 3D RenderingsRealistic views for HOAs and buyers
- Subdivision PlansLot split layouts
- Engineer-Stamped PlansSealed where our PE partner is licensed
- Full Permit SetsEvery sheet, drawn to agree
- Permit CorrectionsRevisions after reviewer comments
Deck & PorchUsually, for attached decks or decks more than 30 inches above the ground.
FenceOften, especially for fences over 6 feet, front-yard fences or corner lots.
Pool & SpaYes, almost everywhere, for in-ground pools and most above-ground pools and spas.
Shed & OutbuildingOften for sheds over about 120 to 200 square feet, or with power.
ADUYes. An ADU is a dwelling, so it needs a full building permit.
Home AdditionYes, any addition that adds floor area needs a building permit.
Nearby states
New Hampshire FAQ
Permits in New Hampshire
Short answers to what people ask before ordering. Ask anything else in your quote request.
Get Price QuoteDo you serve every county in New Hampshire?
Yes. We prepare drawings for properties in all 10 counties of New Hampshire, from Hillsborough County to Coos County.
Who issues building permits in New Hampshire?
In New Hampshire, cities issue building permits inside their limits and the county issues them in unincorporated areas. Your address decides which office reviews your plans.
Does New Hampshire have a statewide building code?
Not one single code for every address. Cities and counties in New Hampshire adopt editions of the International Codes, so the rules depend on where the property is.
Do you need to visit my property in New Hampshire?
No. We work from your address, county parcel records, aerial imagery and any survey, plans or photos you send.
Can you provide engineer-stamped plans in New Hampshire?
Our licensed Professional Engineer partner seals eligible plans in the states where they’re licensed. We confirm coverage for your project before you pay.