What It Costs to Build a House in the Flathead Valley
If you have searched this already, you have been told the answer is $120 per square foot. You have also been told it is $750. Both numbers are sitting on sites that look authoritative.
On a 2,400 square foot house, that is the difference between $288,000 and $1.8 million.
We have been building for 15 years, and we build here. We would rather just tell you our number.
Our Pricing
$225 per square foot of living space.
$75 per square foot of garage.
That is what a new build with us generally runs in the Flathead Valley as of 2026.
Included:
- The build itself, start to finish
- A standard septic system
- Utilities brought to the home
- A gravel driveway, up to 200 linear feet
- Filing and handling your permits
- Our contractor fee — it is in the price, not stacked on top
Not included:
- Land
- Well
- Permit costs themselves — we handle the paperwork, you pay the fees
- Engineering
- Design and plans
- Landscaping and sprinklers
What That Looks Like on a Real House
| Living space | Garage | Roughly |
|---|---|---|
| 1,800 sq ft | 576 sq ft (24×24) | $448,000 |
| 2,400 sq ft | 720 sq ft (24×30) | $594,000 |
| 3,000 sq ft | 900 sq ft (30×30) | $742,000 |
Starting points, not quotes. Here is what moves them.
About the Well
We leave the well out of our number on purpose, because quoting one would be guessing.
Well cost swings more than almost anything else in a build. It depends on how deep you have to go, and that varies property to property in ways nobody can promise in advance. An artesian well behaves differently again. And if the lot has access to a shared well, the picture changes entirely.
We are not going to fold a number into your budget that could be off by a wide margin in either direction. Better you know it is a separate line and get real information about your specific property.
The Utilities Assumption Worth Understanding
Our number assumes getting utilities to your home is straightforward — the connection point is reasonably close and reasonably easy to reach.
The one that catches people out: if utilities have to cross an asphalt road to reach your build site, that costs real money. You are either boring underneath it or cutting the road and patching it back, and neither is cheap.
Same goes for a long run from the road, difficult ground in between, or rock where you were hoping for dirt.
If you are looking at a lot and you are not sure which side of that line you are on, ask us before you buy it. That is a five-minute conversation that has saved people a lot of money.
The driveway works the same way. Ours covers gravel up to 200 linear feet. A longer approach is more material and more work, and we will price it for what it is.
You Do Not Need an Architect to Get Started
A lot of people stall here, thinking the first step is hiring a designer.
It does not have to be. There are a wide variety of house plans available for purchase online, and plenty of them are a good starting point. If you buy one and want to change it — move a wall, rework the kitchen, adjust the layout so it suits how you actually live — we are happy to advise on those changes and help with them at no charge.
That is not an upsell. It is part of working with us. We would rather help you get the plan right early than build something that does not fit and hear about it afterward.
Design and engineering are not in our square-foot number, but the conversation about your plan is.
What Moves the Number Up or Down
Bathrooms. More bathrooms means more plumbing, more tile, more fixtures, more labor — in the most expensive rooms in the house. Two homes of identical size can be well apart on this alone.
Ceiling height. Taller walls mean more framing, more siding, more drywall, more paint, and more to heat. A bigger cost lever than most people expect from a decision that sounds cosmetic.
The site. Flat and open is one price. Sloped, treed, or hard to get equipment onto is another. Site conditions can move a budget before a wall goes up.
Finish level. Cabinetry, countertops, flooring, windows, tile, fixtures. The same floor plan varies widely depending on what goes in it.
Plan complexity. Corners cost money. So do roof planes. A straightforward plan with a simple roof is meaningfully cheaper per square foot than the same square footage broken into wings and dormers. It is the cheapest place to save and usually the last place people look.
Why Per-Square-Foot Only Tells You So Much
Even our own number has a limitation, and we would rather say it than have you find out later.
The expensive parts of a house do not scale with floor area. Kitchens and bathrooms carry most of the cost per square foot. A 3,000 square foot home with one kitchen and two baths prices lower per foot than an 1,800 square foot home with the same kitchen and the same two baths — the bigger house spreads its expensive rooms across more inexpensive square footage.
So when you are comparing builders, a lower per-foot number might just describe a bigger, plainer house. Ask what is in it.
How to Get a Real Number
Our $225 and $75 will get you close enough to know whether your budget and your plans are in the same neighborhood. That is the useful question early, and it costs you nothing to ask.
Past that we need to see the lot and the plans. The site work, the finishes, the layout — that all comes out of a real conversation.
Planning from another state? See how building in the Flathead works from out of state — what to check before you buy the lot, and when it is worth being here.
Talk Through Your Budget
Call (406) 609-5067 or schedule an initial consultation.
Pricing on this page reflects our general costs in the Flathead Valley as of 2026 and is provided as orientation, not as a quote or estimate for any specific project. Construction costs change and every site is different. Contact us for pricing on your build.