
Which Construction Company Suits Exeter's Historic Rules?
One that checks the map before it checks the toolbox. Exeter has three locally designated Historic Districts covering much of downtown, and any construction company Exeter homeowners hire for exterior work inside one of them needs town approval before a building permit is even possible. Sean Ryan & Son works across Exeter and knows which projects trigger that review and which don't.
By Sean Ryan, Founder and Owner · Last updated September 25, 2026
What Does a Construction Company Handle on a Project?
Everything a homeowner would otherwise have to manage themselves, coordinated in the right order.
"How do I choose a construction company?" is really a question about who owns the sequence. On any project touching more than one trade, someone has to decide what happens before what — demolition before rough electrical and plumbing, rough-in before insulation and drywall, inspections at each stage before the next one starts. A construction company owns that order, pulls the permits, schedules the trades, and is the one number you call when something unexpected turns up, which on older Rockingham County homes is closer to a certainty than a possibility.
That scope runs wider than a single-room remodel. For a full renovation, an addition, or new construction, a construction company is managing design intent, structural decisions, and code compliance. In Exeter specifically, that also means navigating historic review, a layer that a kitchen-only project in a neighboring town simply doesn't have.
It also means owning the subcontractor relationships rather than handing you a list of names. Electricians, plumbers, and gas fitters are the trades New Hampshire actually licenses, and a construction company is the one confirming those individual credentials, scheduling each trade around the others, and standing behind the finished work as a single point of contact — rather than leaving a homeowner to chase down four separate contractors if something doesn't line up.
How Exeter's Historic District Commission Changes a Construction Project
This is the part that makes Exeter different from Londonderry, Derry, or most of Rockingham County, and it only applies if your property sits inside one of the lines on the map.
Exeter regulates three locally designated Historic Districts — Front Street, Downtown, and High Street — plus two additional National Register Historic Districts along Front Street and the waterfront. Inside those boundaries, the Town's Historic District Commission guidelines require a Certificate of Approval before a building permit can be issued for exterior alteration, new construction, demolition, or relocation of a structure. That list is broader than most homeowners expect: it explicitly includes replacing roofing, siding, windows, and doors, not just additions or new builds.
The good news is that the HDC doesn't charge a review fee, and it doesn't treat every project the same way. Straightforward maintenance and in-kind repair are typically reviewed by Building Department staff within seven to ten days. Anything more involved, a new addition, new construction, or a change that alters the building's appearance, goes to the full Commission at its monthly meeting, which means it has to be on the calendar well before a crew is booked.
Outside those three districts, a construction company working in Exeter still needs a standard building permit and has to meet the International Building and Residential Codes the Town has adopted, but skips the Certificate of Approval step entirely. Knowing which category your address falls into, before you get quotes, is the single biggest schedule variable on an Exeter project.
One more layer worth knowing about if your project involves an older structure: Exeter's Demolition Review Committee examines any proposed full or partial demolition of a building more than 50 years old, whether or not it sits inside a designated historic district, along with anything already listed or eligible for the National Register. If a structure is found historically significant, the Committee works with the owner on alternatives before demolition is approved — which matters for a homeowner planning a teardown-and-rebuild or a major addition that involves removing part of an existing structure, since it can add a review step even on a property that isn't in one of the three mapped districts.

Which Exeter Projects Move Fastest Through Review?
Project type, more than project size, decides how long approval takes.
The Town's guidelines rank five categories in order of preference: maintenance, repair and in-kind replacement, alterations and renovations, adaptive reuse, and additions or new construction. The first two move fastest, often handled administratively at the staff level. The last three, the categories most home construction and renovation work actually falls into — go before the Commission, get reviewed against the Secretary of the Interior's Standards for Rehabilitation, and can come back with one of four outcomes: approved as submitted, approved with conditions, continued for more information, or denied, with an appeal path to the Zoning Board of Adjustment if it comes to that.
Additions inside a historic district face an extra layer worth knowing up front: the Commission generally wants new construction sited at a secondary elevation, built at a scale subordinate to the original structure, and clearly identifiable as new rather than an exact copy of the historic building. That's a design constraint a construction company should be planning around from the first sketch, not discovering after a submission gets continued for revisions.
Who Handles Residential Construction in Exeter?
Two questions matter more than any license number, since New Hampshire doesn't issue one to general contractors. Ask any construction company you're considering whether they've taken a project through the Historic District Commission before, and ask to see proof — a completed Certificate of Approval application, not just a finished photo. Our Londonderry guide covers what else to verify in full.
Anyone comparing construction companies in the Exeter area should weigh that HDC experience alongside the standard basics: a certificate of insurance from the carrier directly, a written contract with a fixed scope, and references from projects similar to theirs. Sean Ryan & Son has worked in and around Exeter's historic core as well as its newer neighborhoods for nearly thirty years, handling additions, kitchen and bathroom remodels, basement finishing, framing, and new home construction.
We serve Exeter, Atkinson, Derry, Epping, Seabrook, Hampton, Portsmouth, Londonderry, and Raymond across Rockingham County and the Seacoast. See our general contracting page, completed work in the gallery, and the full area list on our location page. Consultations are free.

Frequently Asked Questions
1. How much does a construction project cost in Exeter?
Scope, square footage, and how many trades are involved drive the estimate first, the same as anywhere in Rockingham County. The Exeter-specific variable is Historic District review: it adds no fee of its own, but a project that needs a Commission hearing rather than staff-level sign-off adds calendar time before work can start, and a continued application for revisions adds more. We build that timeline into the estimate for any address inside the historic boundaries rather than pricing it as if it weren't there.
2. Do you offer free project consultations?
Yes, and for anything beyond a single room that means walking the property rather than quoting from a description. For an Exeter address, that walk-through also includes checking which Historic District, if any, the property sits in, since that answer changes both the approval path and the realistic timeline before we ever get to a number.
3. What types of construction work do you take on?
Kitchen and bathroom remodeling, home additions, basement remodeling, framing and custom carpentry, cabinetry, and new home construction, for both straightforward projects and ones that have to clear Exeter's Historic District Commission first. We scope the review requirement alongside the construction work itself rather than treating them as two separate conversations.
4. Are you insured and bonded, and can you provide references?
Yes to insurance, and we'll provide a certificate directly from our carrier rather than a forwarded copy — confirm the named insured matches your quote and the coverage fits the size of your job. References are available for projects comparable to yours, and for an Exeter Historic District project specifically, we can point to work that's already been through Commission approval.
5. Do you provide a written contract and fixed scope?
Yes, always, and it matters more in New Hampshire than in states with a general contractor licensing board, since your contract is the primary mechanism if a dispute arises. It names the scope, a payment schedule tied to completed stages rather than calendar dates, how change orders are priced, and the expected timeline — including, on a historic district project, the Commission review stage as its own line item rather than folding it into general "permitting."
Contact Sean Ryan & Son Carpentry
Sean Ryan & Son Carpentry 1 Pheasant Lane, Atkinson, NH 03811 Call: 603-362-8230 · Text: 603-300-6214 Family-owned since 1995, serving Exeter, Atkinson, Derry, Epping, Seabrook, Hampton, Portsmouth, Londonderry, and Raymond across Rockingham County.
Working on an Exeter property? Request a free consultation or call 603-362-8230, and tell us which street it's on — we'll tell you whether the Historic District Commission is part of your timeline.