Wilton · build cost
What it costs to build a house in Wilton, NY
A standard-finish house in Wilton runs about $204–268/sq ft all in, which on a 1,800 sq ft build works out to roughly $370k–480k with general-contractor margin already in it. The part people leave out is what you pay before that, because the smallest conforming residential lot in the Town of Wilton is 0.46 acres and vacant land here carries a median assessed value of $20,414 an acre, so the dirt alone is around $9,390 and the whole thing lands near $375k–490k. What the code will let you put on that lot is rarely the binding constraint, since even Composting/Recycling/Transfer/C&D Processing Facility District — a narrow single-purpose district for solid-waste handling (construction and demolition debris processing facilities, recyclable handling and recovery facilities and transfer stations: 120,000 sf minimum lot, 250 ft frontage, 35 ft height, 100 ft front, 75 ft side, 75 ft rear; COMPOSTING FACILITIES take a larger 200,000 sf lot with 300 ft of frontage and the same yards). THIS IS THE ONE WILTON DISTRICT WITH A REAL COVERAGE CAP — every other district states only a minimum green space. The schedule column reads 'Minimum Facility Coverage' but it operates as a MAXIMUM: note 2 makes it explicit that multiple uses cannot exceed 10% cumulative area coverage. Note also that FACILITY COVERAGE is broader than building coverage — note 1 defines it to include all buildings, outside product storage areas, and outside areas used for processing of materials, excluding composting and clean wood processing. The recorded 10% is therefore a cap on total developed area, not on building footprint alone, and it is severe: a 120,000 sf site supports only about 12,000 sf of combined building, storage and processing area. Every use in the district requires site plan review by the Planning Board and Part 360 compliance whether or not a building permit is needed. RESIDENTIAL USE IS SPECIFICALLY PROHIBITED. SEPARATION (note 3): a minimum distance of 100 ft is required between the CRT use or building and the nearest residential property line or residential district, except that parking may be within 50 ft; and where a CRT use abuts any residential district the side setback becomes a minimum of 100 ft and the rear a minimum of 150 ft, with adequate screening required.), the tightest residential district here, allows a building footprint of roughly 11,979 sq ft on a conforming lot, which is more house than the budget above actually buys. The figures below come out of the same cost engine Aldo uses to price a real parcel, broken out by system and by what a harder site adds, so you can see where the money actually goes.
Land plus build: the real number in Wilton
Build cost is the half everyone quotes. The other half is the lot, and in the Town of Wilton the code will not let you build on less than 0.46 acres in its most permissive residential district, so that is the smallest ticket into the town.
| Line | Amount |
|---|---|
| Minimum conforming residential lot (0.46 ac at $20,414/ac) | $9,390 |
| House, 1,800 sq ft, standard finish, slab on a flat lot | $370k–480k |
| Land and build together | $375k–490k |
Land is roughly 2% of that total in Wilton. The per-acre figure is the median assessed full market value of vacant residential land across 736 priced parcels here, which is a proxy for what dirt is worth and not an asking price - road-frontage lots that are ready to build on trade above it, and back land without access trades below.
Cost per square foot by finish level
All in, general-contractor margin included, for a slab-on-grade build on a flat and clear lot. The rate holds steady whether you build 1,200 or 2,500 sq ft, which is why the finish level moves a budget more than the size does.
| Finish level | $ / sq ft | 1,800 sq ft total |
|---|---|---|
| Standard | $204–$268 | $370k–480k |
| Custom | $272–$405 | $490k–730k |
| Luxury | $415–$717 | $745k–1.29M |
Standard — Builder-grade but solid - stock cabinetry, mid-range windows, standard fixtures. What most spec cabins and rental builds run.
Custom — Better envelope, upgraded windows and doors, semi-custom millwork and fixtures. The typical Hudson Valley owner-build.
Luxury — High-performance envelope, custom cabinetry, designer fixtures and specialty finishes. Architect-driven, no stock parts.
Where the money goes
A standard-finish build at Saratoga County pricing, broken out by trade as dollars per square foot. Foundation and site work here are the slab and flat-lot baseline, so a harder site stacks on top of them.
| System | $ / sq ft |
|---|---|
| Site work | $7–$11 |
| Foundation | $16–$23 |
| Framing | $25–$32 |
| Envelope - roof, siding, windows | $32–$41 |
| Plumbing | $16–$20 |
| Electrical | $13–$16 |
| HVAC | $15–$18 |
| Insulation | $7–$9 |
| Interior finishes | $27–$36 |
| Millwork & cabinetry | $11–$16 |
What moves the number
The baseline assumes the easy case. Each of these stacks on top, per square foot, at Saratoga County pricing:
- Crawlspace instead of slab+$13–20/sq ft
- Full basement instead of slab+$31–49/sq ft
- Moderately sloped or wooded lot+$8.7–16/sq ft
- Steep or ledge-rock site+$22–44/sq ft
- Winter foundation & site work+$2.8–4/sq ft
Whole-project totals
Standard finish, slab on a flat lot, all in and before land. A harder site or a higher finish moves these up.
| Home size | Estimated build cost | With a conforming lot |
|---|---|---|
| 1,200 sq ft | $245k–320k | $255k–330k |
| 1,800 sq ft | $370k–480k | $375k–490k |
| 2,500 sq ft | $510k–670k | $520k–680k |
How much house Wilton actually lets you build
Every residential district caps how much of the lot the building can cover. Multiply that cap by the district's minimum lot size and you get the largest footprint the code permits on a conforming lot in the Town of Wilton, which runs from about 11,979 sq ft in Composting/Recycling/Transfer/C&D Processing Facility District — a narrow single-purpose district for solid-waste handling (construction and demolition debris processing facilities, recyclable handling and recovery facilities and transfer stations: 120,000 sf minimum lot, 250 ft frontage, 35 ft height, 100 ft front, 75 ft side, 75 ft rear; COMPOSTING FACILITIES take a larger 200,000 sf lot with 300 ft of frontage and the same yards). THIS IS THE ONE WILTON DISTRICT WITH A REAL COVERAGE CAP — every other district states only a minimum green space. The schedule column reads 'Minimum Facility Coverage' but it operates as a MAXIMUM: note 2 makes it explicit that multiple uses cannot exceed 10% cumulative area coverage. Note also that FACILITY COVERAGE is broader than building coverage — note 1 defines it to include all buildings, outside product storage areas, and outside areas used for processing of materials, excluding composting and clean wood processing. The recorded 10% is therefore a cap on total developed area, not on building footprint alone, and it is severe: a 120,000 sf site supports only about 12,000 sf of combined building, storage and processing area. Every use in the district requires site plan review by the Planning Board and Part 360 compliance whether or not a building permit is needed. RESIDENTIAL USE IS SPECIFICALLY PROHIBITED. SEPARATION (note 3): a minimum distance of 100 ft is required between the CRT use or building and the nearest residential property line or residential district, except that parking may be within 50 ft; and where a CRT use abuts any residential district the side setback becomes a minimum of 100 ft and the rear a minimum of 150 ft, with adequate screening required.) to 11,979 sq ft in Composting/Recycling/Transfer/C&D Processing Facility District — a narrow single-purpose district for solid-waste handling (construction and demolition debris processing facilities, recyclable handling and recovery facilities and transfer stations: 120,000 sf minimum lot, 250 ft frontage, 35 ft height, 100 ft front, 75 ft side, 75 ft rear; COMPOSTING FACILITIES take a larger 200,000 sf lot with 300 ft of frontage and the same yards). THIS IS THE ONE WILTON DISTRICT WITH A REAL COVERAGE CAP — every other district states only a minimum green space. The schedule column reads 'Minimum Facility Coverage' but it operates as a MAXIMUM: note 2 makes it explicit that multiple uses cannot exceed 10% cumulative area coverage. Note also that FACILITY COVERAGE is broader than building coverage — note 1 defines it to include all buildings, outside product storage areas, and outside areas used for processing of materials, excluding composting and clean wood processing. The recorded 10% is therefore a cap on total developed area, not on building footprint alone, and it is severe: a 120,000 sf site supports only about 12,000 sf of combined building, storage and processing area. Every use in the district requires site plan review by the Planning Board and Part 360 compliance whether or not a building permit is needed. RESIDENTIAL USE IS SPECIFICALLY PROHIBITED. SEPARATION (note 3): a minimum distance of 100 ft is required between the CRT use or building and the nearest residential property line or residential district, except that parking may be within 50 ft; and where a CRT use abuts any residential district the side setback becomes a minimum of 100 ft and the rear a minimum of 150 ft, with adequate screening required.). Worth checking before you assume zoning is what is limiting the house, because in most districts it is the budget that runs out first.
| District | Min lot | Lot coverage | Max footprint | Max height |
|---|---|---|---|---|
| Composting/Recycling/Transfer/C&D Processing Facility District — a narrow single-purpose district for solid-waste handling (construction and demolition debris processing facilities, recyclable handling and recovery facilities and transfer stations: 120,000 sf minimum lot, 250 ft frontage, 35 ft height, 100 ft front, 75 ft side, 75 ft rear; COMPOSTING FACILITIES take a larger 200,000 sf lot with 300 ft of frontage and the same yards). THIS IS THE ONE WILTON DISTRICT WITH A REAL COVERAGE CAP — every other district states only a minimum green space. The schedule column reads 'Minimum Facility Coverage' but it operates as a MAXIMUM: note 2 makes it explicit that multiple uses cannot exceed 10% cumulative area coverage. Note also that FACILITY COVERAGE is broader than building coverage — note 1 defines it to include all buildings, outside product storage areas, and outside areas used for processing of materials, excluding composting and clean wood processing. The recorded 10% is therefore a cap on total developed area, not on building footprint alone, and it is severe: a 120,000 sf site supports only about 12,000 sf of combined building, storage and processing area. Every use in the district requires site plan review by the Planning Board and Part 360 compliance whether or not a building permit is needed. RESIDENTIAL USE IS SPECIFICALLY PROHIBITED. SEPARATION (note 3): a minimum distance of 100 ft is required between the CRT use or building and the nearest residential property line or residential district, except that parking may be within 50 ft; and where a CRT use abuts any residential district the side setback becomes a minimum of 100 ft and the rear a minimum of 150 ft, with adequate screening required.) | 2.75 ac | 10% | 11,979 sq ft | 35 ft |
Footprint is the ground-floor building area, so a second storey buys floor area this number does not constrain, subject to the height limit. Some municipalities write their coverage cap as impervious surface rather than building coverage, which counts the driveway, walks and patio against the same budget and leaves less of it for the house - check which one your district uses before you design to it.
Local rules that move a build budget in Wilton
- UtilityNational Grid territory. Service run and connection cost depends on distance to the line, which on a rural parcel can be the single largest site expense.
- Short-term rentalsShort-term rentals allowed with local rules. Wilton has NO short-term-rental law — there is no STR chapter among the 34 chapters of the Town Code, and the phrase 'short-term rental' appears nowhere in Chapter 129, including its definitions at § 129-4 and the supplementary use standards at § 129-176. But that absence does NOT mean short-term renting is unregulated here, which is why this is recorded as regulated rather than unknown. Chapter 129 defines a TOURIST HOME as 'a dwelling in which overnight accommodations are provided or offered for transient guests for compensation' — language that squarely captures whole-house and room short-term rental activity — and it defines a TRANSIENT RESIDENCE as hotels, motels, inns, tourist cabins and similar multiple dwellings intended to provide lodging for transients on a temporary basis. The tourist home is a listed, permit-gated use, not a free activity. It appears in the schedules only as part of the grouped entry 'boardinghouses/tourist homes/bed-and-breakfast facilities', and only in these districts: R-2 (special permit, 100,000 sf), R-3 (special permit, 120,000 sf), RB-1 (special permit, 80,000 sf), H-1 (permitted, 10,000 sf), C-1 (permitted, 40,000 sf) and CR-1 (permitted, 40,000 sf). THE CRITICAL POINT FOR MOST BUYERS: the tourist home does not appear at all in R-1, the Town's principal single-family residential district and the district covering most Wilton house lots — so on the face of the schedules there is no listed use in R-1 under which a dwelling may be let to transient guests for compensation. Because Wilton has no STR-specific ordinance, whether the Town actually applies the tourist-home definition to a modern short-term rental listing is an enforcement-practice question the code does not answer, and the answer materially changes the underwriting. Do not assume either way — call the Building Department at (518) 587-1939 and get the Town's position in writing before underwriting short-term rental income on a Wilton property. Separately, since 2025 New York State requires every short-term-rental host to register the unit with the State through the county registry, regardless of what the municipality allows.
- Districts mapped14 zoning districts in the Town of Wilton.
- Building dept(518) 587-1939
- Zoning last reviewed2026-07-28
Sizing up a specific parcel in Wilton?
Aldo pulls the exact zoning district, setbacks, and build feasibility for any parcel — before you buy. Enter your email to open Aldo and run your free report.
Building an accessory unit instead?
An 800 sq ft ADU in Wilton runs about $200k–260k, and the per-square-foot rate is higher than a full house because the kitchen, bath, panel and heating plant cost the same either way. See what it costs to build an ADU in Wilton, priced by size.
Cost to build in nearby towns
All Saratoga County towns: Mechanicville (City) · Saratoga Springs (City) · Ballston · Charlton · Clifton Park · Corinth · Day · Edinburg · Galway · Greenfield · Halfmoon · Malta · Milton · Moreau · Northumberland · Providence · Saratoga · Stillwater · Waterford · Ballston Spa (Village) · Corinth (Village) · Round Lake (Village) · Schuylerville (Village) · South Glens Falls (Village) · Stillwater (Village) · Victory (Village) · Waterford (Village)
More on Wilton: Zoning for new construction · ADU rules · Saratoga County build cost
Cost to build in Wilton: common questions
How much does it cost to build a house in Wilton, NY?
A standard-finish new build in Town of Wilton runs about $204–268/sq ft all in, general-contractor margin included, which puts a 1,800 sq ft house at roughly $370k–480k. A full basement, a sloped or wooded site, or a winter foundation pour each add to that, and a custom or luxury finish level moves it up again. Land is on top: a minimum conforming lot of 0.46 acres runs about $9,390 here, for a combined $375k–490k.
What is the cheapest way to build in Wilton?
The three levers that move a budget most here are finish level, foundation and site. Standard finish on a slab, on a flat and already-cleared lot, in the warm season, is the floor - every step away from that combination is priced in the tables above. Square footage matters less than people expect, because the per-square-foot rate barely moves between a 1,200 and a 2,500 sq ft house; what changes is the total.
Do I need a bigger lot to build in Wilton?
The smallest residential minimum lot size in Town of Wilton is 0.46 acres, and the more rural districts go up to 2.75 acres. Which minimum applies depends on the district your parcel sits in, so confirm the district before you assume a lot is buildable.
Does it cost more to build in winter in Wilton?
Yes. Foundation and site work carry a winter premium because of frost protection, heating and ground conditions, and at Saratoga County pricing that works out to about +$2.8–4/sq ft across the whole build. It is usually cheaper to wait for spring than to pay it, unless the schedule is already costing you more somewhere else.
Construction figures are modeled estimates from Offsite's cost engine in current 2026 dollars, general-contractor margin included, using the Saratoga County regional index. They are planning numbers for decision-support only - not a bid, quote, or guarantee, and not architectural or engineering advice. Zoning figures for the Town of Wilton come from the municipal code (last reviewed 2026-07-28) and can carry district exceptions and overlays this page does not show. Actual cost depends on the specific parcel, design, site conditions and market at the time you build; verify with the building department at (518) 587-1939 and get a real estimate before you commit. Sources: Offsite / Aldo cost engine (costEngine.js + constants.js); zoning dataset (municipalData.js) ; NYS statewide tax-parcel layer, vacant residential full market value per acre.