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What Does Building a House in Upstate NY Actually Take, From Lot to Keys?

Posted by Colin McDonald on September 8, 2025
Home Buying
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Quick Summary: A couple relocating from Westchester spent eleven months turning a wooded two-acre lot in southern Saratoga County into a finished house, and almost none of that time was spent on the part they expected to worry about. This is how the build actually went with their realtors in Albany: the perc test that nearly killed the lot, the energy code change that reshaped the mechanical plan, where the budget went by percentage, and the three decisions that mattered more than the floor plan.

The situations described here are composites drawn from the types of jobs and decisions we encounter regularly. Names and specific figures are illustrative.

The first call came in September of last year, from a couple in Westchester who had spent two summers looking at resale houses between Clifton Park and Saratoga and had not found one they wanted to live in. They had a budget around $650,000, a remote-work arrangement that meant one commute to Albany a week, and a question that most realtors in Albany hear a few times a year: would they be better off building? The honest answer was that it depends on the lot, the timeline, and how much friction they could tolerate, and that the only way to find out was to walk some land before the ground froze.

They are not unusual. Saratoga County has been the fastest-growing county in Upstate New York for years, and in 2025 it accounted for 44 percent of all building permits in the Capital Region, with 92 percent of those single-family. The people pulling those permits are, in large part, exactly this couple: downstate movers and returning natives who could not find the house they wanted in the resale inventory. If you are still weighing whether to build at all, our guide on buying a home in Upstate NY lays out how new construction fits against the resale market.

The lot that looked perfect and almost was not

We walked four parcels over two weekends in early October. The one they fell for was two acres off a town road south of Ballston Lake: mixed hardwoods, a gentle slope to the south, a listing price of $135,000, and no municipal sewer. That last detail is the one that decides whether a lot is buildable in most of Saratoga and Rensselaer counties, and it is the one buyers from downstate almost never think about first.

New York’s Appendix 75-A governs residential septic systems, and it is not a formality. It requires at least two percolation tests and deep test holes at least six feet down, two feet of separation between the bottom of the absorption trench and seasonal high groundwater, four feet of usable soil above bedrock, and 100 feet between the leach field and any well, 200 feet if the field sits uphill in the drainage path. We wrote the purchase offer with a 30-day contingency for a perc test and a septic design, and told them that if the lot failed, the offer died with it.

The first two test pits hit seasonal water at 30 inches. That is a failed conventional system. The engineer moved uphill, dug two more, found 52 inches, and designed a raised system that added roughly $9,000 to the septic budget. The couple asked whether they should walk. Our position was that a $9,000 surprise found during a contingency period is the system working. The same surprise found after closing is a $9,000 problem. They closed on the lot in mid-November, two weeks before the ground was too hard to dig.

Why the calendar mattered more than the floor plan

Building in this climate runs on a clock. Foundations poured after the first hard freeze mean frost blankets, heated enclosures, and change orders. Builders here want to be out of the ground by Thanksgiving or not start until April, and the good ones are booked for the following spring by January. Our post on how seasonal cycles shape Upstate NY real estate covers why the same rhythm governs the resale side.

There was a second clock this year that most buyers did not know about. New York’s 2025 Energy Conservation Construction Code took effect December 31, 2025, with no grace period. It is based on the 2024 IECC with state amendments, it tightens wall insulation to prescriptive options like R-20 cavity plus R-5 continuous, it enforces blower-door air leakage testing, and for new residential buildings under seven stories it ends the installation of fossil fuel equipment. A permit application postmarked January 2 falls under the new code. One postmarked December 30 does not.

Their builder wanted to file in the first week of January. We pushed to get the application in before the deadline, not to dodge the efficiency standards, which they wanted anyway, but because the builder’s mechanical subcontractor had priced a propane furnace and the redesign to cold-climate heat pumps would have cost them six weeks of engineering in the middle of winter. The permit went in on December 19. They built to most of the new envelope standard by choice and kept the mechanical plan they had already priced.

Where the money actually went

The national numbers are useful here because they match what we see locally. In the NAHB’s most recent construction cost survey, construction itself took 64.4 percent of a new home’s sale price, the finished lot 13.7 percent, builder profit 11 percent, and overhead, financing, commission, and marketing the rest. Inside the construction number, interior finishes were the largest slice at 24 percent, followed by rough-ins at 19, framing at 17, exterior finishes at 13, and foundation at 10.

Their build landed close to that. The lot was $135,000 plus $14,000 in septic, well, and driveway work that never shows up in a per-square-foot quote. The house was a 2,200-square-foot two-story that the builder contracted at $412,000, and after a $23,000 allowance overrun on the kitchen and a $6,000 upgrade to a standing-seam metal roof for snow shedding, they finished at about $590,000 all in. If you want the fuller picture on local pricing, our post on the average cost to build a house in the Capital Region goes through it by line item.

The part buyers underestimate is the financing structure. A construction loan draws against completed work, usually in five or six stages, and each draw needs an inspection. Their lender’s appraiser had to value a house that did not exist yet from the plans and the lot, and the first appraisal came in $18,000 under the contract price because there were few new-build comps in that hamlet. They covered the gap in cash. That is common enough that we tell every build client to hold 5 percent of the contract in reserve for exactly this.

What the builder interviews sounded like

They interviewed three builders in November. All three had good reputations. The differences were in the paperwork. One quoted a fixed price with a 14-page specification sheet that named the window manufacturer, the insulation R-values, and the allowance amounts for every finish category. One quoted cost-plus with a 15 percent fee and a two-page scope. One quoted a fixed price with the specifications “to be finalized at design.”

They chose the first. The cost-plus builder may have been the better craftsman, but cost-plus on a first build with a buyer 150 miles away is how a $412,000 house becomes a $470,000 house one reasonable-sounding change at a time. The third builder’s vagueness was the tell. A specification sheet you cannot read is a budget you cannot hold.

The other question they asked each builder was who would be on site. Two of the three ran multiple crews and a project manager. The one they picked had the owner walking the job twice a week. That mattered in March when the framer set a window rough opening four inches off the plan and it was caught before the siding went on rather than after. Buyers looking at the more developed subdivisions closer to the Northway will find a different builder profile, and our Clifton Park new construction guide covers what those production builders do differently.

What eleven months looked like from the buyer’s side

Lot closed in November. Permit in December. Site work and foundation in the last week of March, once the frost was out. Framing through April. Rough-ins and inspections in May. Insulation, drywall, and the blower-door test in June, where the house came in at 2.1 air changes per hour, well under the limit. Finishes through August. Certificate of occupancy the second week of September. Eleven months from lot closing to keys, which is about what a custom build on rural land takes here when nothing goes badly wrong. Most of the delays that stretch that to fifteen or eighteen months come from the design phase, not the construction phase.

They drove up nine times. We walked the site with the builder on the weeks they could not, mostly to check that what was being installed matched the specification sheet. That is the actual job of a buyer’s agent on a build: not negotiating the price, which is largely fixed once the contract is signed, but reading the contract, tracking the allowances, and being the second set of eyes on a job the buyer cannot see every day.

What they asked at the walkthrough

Standing in the finished kitchen with the punch list, they asked what most people ask at the end of a build.

Would they have been better off buying? On the numbers, close to even. A comparable resale in that area with a new roof and updated mechanicals would have run $550,000 to $600,000 and still carried a 30-year-old septic and a 1990s envelope. They spent about $590,000 for a house with a warranty, a septic system designed this year, and utility bills that will run a third of what the resale would have. On the experience, it cost them a year and a lot of phone calls. They would do it again. Not everyone would.

What should they have done differently? Ordered the perc test before falling in love with the lot, not after. Set the kitchen allowance at what a kitchen actually costs instead of what the builder’s default said. And pushed harder on the appraisal comps early, because the $18,000 gap was predictable.

Does new construction still need an inspection? Yes, and they got one at pre-drywall and again before closing. The town inspector checks code. A private inspector checks workmanship. Those are not the same list.

What I would tell the next couple thinking about land

If you are coming from downstate or out of state and building here for the first time, the lot is the decision. Not the plan, not the builder, not the finishes. A lot with municipal water and sewer removes two of the three variables that sink rural builds. A lot without them is fine, but only with a perc test and a septic design in hand before the contingency expires, and only in a purchase contract written to let you walk if the ground says no.

Then treat the specification sheet as the real contract, hold 5 percent in reserve for the appraisal and the allowances, and get the permit in before any code deadline you can see coming. Most of what goes wrong on a build here was visible in the paperwork before the first shovel.

Buyers still deciding between building and buying often start with a resale search in one of the closer-in towns first. Our guides to what first-time buyers should know about Cohoes, living in Bethlehem, and buying a second home in the Capital Region cover the resale side, and if the new house is your first, buying your first home in Albany, NY walks through the financing basics that apply to a construction loan too. Sellers reading this for the resale angle can start with our curb appeal checklist.

If you are looking at land anywhere between Albany and Saratoga and want realtors in Albany who have walked a perc test and read a builder’s specification sheet before, the team at McDonald Real Estate works with buyers on both sides of that decision, and our buyer services page lays out how that starts.

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