New Hampshire PE Stamp and Permit-Ready Plans
Stamped structural, architectural and MEP drawings for New Hampshire projects, designed for heavy snow, deep frost, ledge and coastal storms.
- Stamped by a PE licensed in New Hampshire
- Prepared for New Hampshire building departments
- Residential, commercial and industrial
Getting a PE stamp in New Hampshire, town by town
Getting a PE stamp in New Hampshire usually starts with a question from the local building inspector. A town may want engineered trusses for a new garage, a sealed beam calculation for an opened-up kitchen, or a letter confirming an older roof can carry the snow load before solar panels go on. Because so much of the state is governed by individual towns, the request is often specific, and the answer needs to fit that town’s design snow load and frost depth.
We handle that kind of work across the state, from detached garages and in-law apartments in Hillsborough and Rockingham counties to lake house renovations around Winnipesaukee and post-and-beam barns in the western hills. When a truss manufacturer or builder supplies drawings that need a seal, our truss review and stamping service checks the layout, girder connections and bearing points against the loads your town requires.
A New Hampshire-licensed Professional Engineer from our network of state-licensed PEs reviews and seals each set. Because many small-town inspectors work part time, we write notes and details that answer their likely questions right on the sheet. Pricing is a fixed fee, usually quoted the same day, rush turnaround is available when a framing crew is waiting, and follow-up questions from the building official are covered within the original scope at no extra charge.
How licensing works. Engineering drawings must be sealed by a Professional Engineer licensed in New Hampshire. PE Engineer works with a network of state-licensed PEs, so every set is reviewed and stamped by an engineer with an active license in New Hampshire. Their name and license number appear on the seal, exactly as your building department requires.
Popular in New Hampshire
- Detached garages and truss roof reviews
- Accessory dwelling units and in-law apartments
- Additions and second-floor dormers
- Lake house and camp renovations
- Barns, sheds and post-frame buildings
- Roof snow load letters for solar and re-roofing
Engineering services for New Hampshire projects
Every discipline a New Hampshire building inspector may ask for, from truss reviews to mechanical plans.
Structural engineering in New Hampshire
Roof and floor framing for heavy, drifting snow, frost-depth footings and foundations on ledge, girder truss and beam calculations, deck framing, and evaluation of older timber and balloon-framed homes.
Architectural plans in New Hampshire
Floor plans, elevations and sections for garages, additions, ADUs and new homes, with site plans that show setbacks, shoreland buffers and septic locations the town and state may review.
MEP engineering in New Hampshire
Heating and ventilation plans for cold-climate homes, electrical and plumbing drawings, energy code documentation, and fire alarm and sprinkler plans for small commercial and assembly spaces.
Industrial and equipment in New Hampshire
Equipment anchorage and foundations for manufacturers in the Merrimack Valley, mezzanines and storage racks for warehouses, crane and hoist beams, and OSHA stairs, ladders and guardrails.
Your Stamped, Permit-Ready Plans Start With One Upload
Send your drawings or describe the project. A licensed engineer reviews it and sends a clear, fixed-fee proposal, often within hours.
- Free and no obligation
- Reviewed by a licensed PE
- Secure file upload
New Hampshire State Building Code
New Hampshire adopts the State Building Code statewide, made up of International Codes with state amendments, along with a State Fire Code. Towns and cities with a building department enforce it locally and may add their own requirements through zoning and local ordinances. We design to the edition currently adopted and to any local requirements your town applies.
- New Hampshire State Building Code, based on the IBC, IRC and IEBC with state amendments
- New Hampshire State Fire Code, based on NFPA 1 and NFPA 101
- International Energy Conservation Code (IECC) as amended by the state
- International Plumbing Code (IPC) and International Mechanical Code (IMC)
- National Electrical Code (NFPA 70)
- ASCE 7 for snow, wind and other loads, and the NDS for wood design
Snow, frost and ledge in New Hampshire
Snow is the load that governs most New Hampshire roofs. Many towns publish a design ground snow load, and the value climbs quickly with elevation, so a garage in Nashua and one in the White Mountains can need very different rafters or trusses. We also account for drifting against taller walls, sliding snow from upper roofs onto lower ones, and unbalanced loads on valleys and dormers. When an existing roof is in question, our structural inspection letters document its capacity.
Below grade, cold winters push frost deep into the ground, and shallow ledge is common across the state, which affects footing depth, drainage and how foundations are pinned to rock. On the Seacoast, around Portsmouth, Hampton and Rye, nor’easters and coastal storms bring wind and mapped flood zones that can dictate elevation and foundation type. Lakeside sites may also fall under shoreland protection rules that limit where and how you can build.
How the permit process works in New Hampshire
Permits are issued at the town or city level. Larger communities such as Manchester, Nashua, Concord and Portsmouth have full building departments with plan review, while many small towns rely on a part-time building inspector or code official. Some towns review only the information they need to confirm code compliance, so it is worth asking what the inspector expects before drawings start.
- Check with the town building office for required drawings and the local design snow load.
- We prepare the plans, calculations and any truss review, sealed by a New Hampshire PE.
- The building official reviews the set and may ask questions or request revisions.
- We respond, revise as needed, and the permit is issued for inspections.
Projects near lakes, rivers or wetlands may also need state shoreland or wetlands approval, and septic changes go through a separate state process. We can coordinate site drawings with those submittals.
Cities and counties we serve in New Hampshire
- Manchester
- Nashua
- Concord
- Derry
- Dover
- Rochester
- Salem
- Merrimack
- Hudson
- Londonderry
- Keene
- Portsmouth
- Laconia
- Lebanon
- Hillsborough County
- Rockingham County
- Merrimack County
- Strafford County
Plus every other city, town and county in New Hampshire.
How it works, start to finish
From your first message to stamped drawings, you work directly with the engineering team.
- 1Share your projectSend the address, scope and any drawings, photos or plan-check comments. Two minutes is enough.
- 2Receive a fixed-fee proposalAn engineer reviews the scope and replies with a firm price and delivery date for your project in New Hampshire.
- 3Engineering and draftingWe run the calculations and prepare drawings to the codes your jurisdiction enforces, checked before sealing.
- 4Stamped set deliveredYou receive a sealed PDF set ready to submit, and we answer any plan-check comments within scope.
Have a Question? Get a Real Engineer's Answer in Minutes
Skip the guesswork. Chat live with a licensed engineer about your drawings, code requirements or permit comments, free and with no obligation.
- Free and no obligation
- Reviewed by a licensed PE
- Secure file upload
PE stamp and permit FAQs for New Hampshire
Can you provide a PE stamp for my project in New Hampshire?
Yes. Your drawings are reviewed and sealed by a Professional Engineer licensed in New Hampshire, through our network of state-licensed PEs. We stamp plans we prepare and also review and stamp drawings from truss suppliers, builders and designers.
My town building inspector asked for stamped truss drawings. Can you help?
Yes. We review the truss manufacturer’s layout and design drawings, confirm they match your town’s snow and wind loads, check girder and bearing connections, and seal the package. If changes are needed, we explain them clearly so the supplier can revise.
Can you write a snow load letter for my roof?
Yes. We evaluate existing roof framing and prepare a sealed letter stating whether it can carry the required snow load, which is often requested before solar installation, re-roofing or after a heavy winter. If reinforcement is needed, we provide sistering or beam details.
Do you design ADUs and in-law apartments in New Hampshire?
Yes. We prepare plans for attached and detached accessory dwelling units, including floor plans, framing, egress and fire separation details. Towns set their own size and parking rules, so we confirm those with your zoning office before drawings are finalized.
Where in New Hampshire do you work?
Throughout the state, including Manchester, Nashua, Concord, Portsmouth, Salem, Derry, Keene, Laconia and Lebanon, plus small towns in the Lakes Region and North Country. All plans are delivered electronically and formatted for local review, whether your town accepts email, an online portal or printed sets.
Also serving nearby states
Get your free New Hampshire proposal
Tell us where the project is and what you need. Attach any drawings, photos or plan-check comments. A licensed engineer reviews every request.
- Upload your filesPlans, sketches, photos or comments
- Get a fixed-fee proposalUsually the same day
- Receive stamped drawingsSealed by a PE licensed in your state