New Home Builder in Falmouth, ME
A new home builder in Falmouth, ME starts with the town sewer map, since Falmouth requires a new house to connect wherever its lot abuts the public sewer and sends every other lot to a private septic system. That single line on a map changes the site budget, the lot worth buying and sometimes the number of bedrooms a house can have.
- (207) 613-8565
- 130 Main St, 1st Floor, Ste 2, Gorham
- [email protected]

- Part of Legacy Construction, founded 2021
- 4 to 6 builds at a time, never more
- 5-year workmanship warranty, in writing
This page covers building a new custom home in Falmouth, Maine, where public sewer follows Route 1, Route 88 and Route 100 and lots away from those roads rely on private septic systems.
New Home Builder Portland settles sewer or septic, water setbacks, erosion control and the town's growth permit timing on each Falmouth lot first, then builds from full drawings at a fixed price, including knockdown and rebuild work on older lots.
The figure to keep: averaged across many builds, a 2,200 square foot Falmouth house runs $693,000 to $803,000, $803,000 to $957,000 or $957,000 to $1,078,000+, from turnkey tiers of $315 to $365, $365 to $435 and $435 to $490+ per square foot, land excluded.
Why Does the Sewer Line Matter for a Falmouth House?
The sewer line matters for a Falmouth house because it decides between a connection and a septic system, and the town's April 2021 sewer fact sheet makes the connection mandatory for a new home on a lot that abuts the sewer. Only a rare case where connecting would cost more than 15 percent of the building's assessed value is let off.
- Sewer on Route 1, Route 88 and parts of Route 100
- Shoreland rules 100 feet back from designated streams
- A fixed price written only from finished drawings

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What Towns Border Falmouth That We Also Build In?
See all 22 towns we serveWhat New Home Work Do We Do in Falmouth?
Our new home work in Falmouth falls into three services.

Building a New Falmouth House From the Ground Up
New home construction in Falmouth is built to MUBEC (Maine's statewide building and energy code) on its 2021 editions. The permit fee from September 22, 2026 runs $0.60 for each finished square foot and $0.25 for each unfinished one.
The town holds the foundation inspection until erosion control has the site stabilized, so silt fence and seeded slopes go in first. Most buildings are capped at two and a half stories or 35 feet, and we confirm the town's current sprinkler rule with the Code Office before the plans are final.

Judging a Falmouth Lot for Sewer, Septic and Water
Building on your own lot in Falmouth starts with that sewer question: a lot that abuts public sewer connects, and one that does not gets a septic system, drawn by a site evaluator from test pits (holes dug to read the soil) on the state's HHE-200 form.
Nearby water adds rules of its own. The town's shoreland zone covers 250 feet from great ponds, rivers, salt water and larger wetlands plus 100 feet from designated streams, and any soil disturbance within 100 feet of a water body or wetland needs a DEP permit.

Knockdown and Rebuild on an Older Falmouth Lot
Knocking down and rebuilding in Falmouth is the right call when the old house's foundation or septic would cost more to save than to replace, a judgment we make in the basement rather than from the street. When the old house is sound, renovating usually serves you better.
Falmouth's growth ordinance lists replacements of existing buildings among its exemptions, and we confirm with the Code Office how a teardown is counted before you plan around it. If the new house abuts the sewer it must connect, so the old septic comes out of service as part of the site work.
What New Home Building Services Do We Offer in Falmouth?
In Falmouth, three of our services do most of the work.
- Houses on sewered or septic Falmouth lots
- Teardown and rebuild of an older house
- Land evaluation before you buy
Falmouth's Code Office administers the town's floodplain ordinance as well as building permits, and near lakes, rivers or streams the town may ask for a flood elevation survey. We file the full set with the Code Enforcement office, and the decision on it is the town's.
How to Plan a Falmouth Build From Lot Walk to Walkthrough

A lot walk with the sewer map along.
We walk the land with you, find the nearest sewer main, read the slopes and drainage, and note any stream, wetland or shore setback before drawing.

Drawings, a fixed price, then the contract.
Design runs four to six weeks and ends in construction drawings and one fixed price, and the contract you sign keeps the first payment at or below a third.

Built in phases, each one checked.
Every phase is reviewed before the next crew comes in, and a progress report reaches you weekly. Once the house is finished, we walk it with you before move-in day in Falmouth.
How Do You Pick a New Home Builder in Falmouth, ME?
Pick a new home builder in Falmouth, ME who can tell you, before you sign for land, what the lot will cost to make buildable. With his Maine real estate license, Joe Hausler helps clients find land and judge it, so that answer comes before the purchase.
Falmouth's lots vary more than their addresses suggest: the town is one of seven sharing soil data in a regional landslide study along the Presumpscot River. Its 2024 plan steers growth toward the Route 1 and Route 100 corridors and away from the rural land.
On paper, look for a price locked to the finished drawings and a contract signed before work starts, as 10 MRSA §1487 demands for jobs above $3,000, and an opening deposit that stays at or under a third. We stand behind our workmanship for five years in writing, while one year of coverage is the more common offer.

Who Issues Falmouth Permits, Where, and When?
Who handles permitting for a new house in Falmouth?
Permitting for a new house in Falmouth is handled at Town Hall by the Code Office, covering building, plumbing, heating and electrical work. Other town departments or state agencies may also need to approve a project, so we start that list early.
Where does Falmouth's public sewer reach?
Falmouth's public sewer reaches the full length of Route 1 and Route 88 on the east side, and in the west it runs to Route 100, Winn Road and Falmouth on the Green. Off those lines, plan on a septic system and a site evaluator's design.
When can a growth permit hold up a Falmouth start?
A growth permit can hold up a Falmouth start late in the year, because growth permits are issued with building permits in the order received, and a 2021 town staff memo says the yearly supply ran out on December 17, 2018 and on October 28, 2020. We confirm the current count with the Code Office before a schedule is set.

Something else to ask? Call (207) 613-8565.
How Much Does Building New in Falmouth Cost?
Building new in Falmouth costs $315 to $365 a square foot for a simple and efficient house, $365 to $435 once it reaches mid-range custom, and $435 to $490+ at the high-detail end, all turnkey, land excluded. Each band averages many builds, so treat it as a budget test, not a quote.
| Finish tier | What it usually means | Average per sq ft | A 2,200 sq ft house |
|---|---|---|---|
| Simple and efficient | Vinyl siding, shingle roof, standard doors | $315 to $365 | $693,000 to $803,000 |
| Mid-range custom | Engineered wood siding, fiberglass windows | $365 to $435 | $803,000 to $957,000 |
| High detail | Metal roofing, wood windows, custom millwork | $435 to $490+ | $957,000 to $1,078,000+ |
Averaged over many builds, turnkey and excluding land. The sewer hookup or a septic system, any well and the lot's site work are listed apart from these figures.
Will a Falmouth house need a private well or septic?
A Falmouth house needs a private septic system only where no public sewer abuts it, and that system averages $17,500 to $44,000, while a lot at the sewer line pays Falmouth's connection charge, which tops out at $3,119 for one house, with $100 more to apply and be inspected. A drilled well, for a lot the Portland Water District does not reach, averages $15,500 to $26,500.
How much does getting a Falmouth lot ready cost?
Getting a cleared Falmouth lot ready, with its well, septic, power and site work, costs $77,000 to $105,000 on average. Woods, ledge (bedrock near the surface) or a long driveway can lift that past $165,000, and the town's erosion control must hold before the foundation is even inspected.
What changes a Falmouth price within a tier?
A Falmouth price shifts within its tier with the finishes you pick, with a full basement versus a frost wall (concrete footing walls taken down below frost) and slab under the house, and with how many baths the plan carries. Adding a garage or a deck lifts a house toward the upper end of its band.
Does Your Falmouth Lot Touch the Sewer?
Your Falmouth lot's place on the sewer map is the first thing we find out. Send a free estimate request, and we begin by meeting you on the land, before any price.