NewSepticIQ — upload your septic plans, get an instant install estimateTry SepticIQ →FreeSoil Report — nearby wells, 3D terrain & water flow for any parcelGet Soil Report →Before you buyBuild Feasibility — know the true cost to build a lot before you buyCheck a Lot →
Home / Service Areas / Douglas County / Custom Home Construction

Custom Home Construction · Douglas County

Custom home builder in Douglas County

Senior-led, ground-up custom homes across Douglas County — from site development and foundations through finishes and certificate of occupancy, built for Front Range / Palmer Divide conditions.

Class B-1 CommercialClass C ResidentialGround-up · TurnkeySite work in-house

A Douglas County custom home lives or dies on the site work under it.

We deliver full-scope custom homes around Castle Rock, Parker, Larkspur — planning, permitting, foundations, framing, finishes, and the coordination between engineers, inspectors, and county officials. Douglas County is the kind of ground where the site is the hard part.

Because we run our own excavation, septic, and water-storage crews, the toughest parts of a build at 5,800–7,300 ft — the access, the foundation, the water, the wastewater — are handled in-house instead of subbed out and hoped for. From feasibility through final CO, you get one accountable team.

What we do

Design-build & planning

From a Douglas County lot and a vision to a buildable, permitted plan.

Site, foundations & framing

Excavation, foundations, and framing on steep and remote ground, by our own crews.

Finishes to CO

Full interior and exterior finishes, managed to a clean final inspection.

One accountable team

Excavation, septic, and water storage in-house — fewer subs, fewer surprises.

SepticIQ · Instant plan-based estimate

Already have engineered septic or OWTS plans? Upload the PDF for an instant Colorado installation estimate, then have Tri-Lakes, a licensed Colorado OWTS installer, price and build the system.

Get my instant estimate →

Custom Home Construction in Douglas County — questions

How much does a custom home cost in Douglas County?

It varies widely with site, size, and finish — mountain site development (access, foundation, septic, water) is the swing factor. We scope it during feasibility so you get a real budget.

Can you build on a steep or remote Douglas County lot?

That's our normal. Rolling palmer divide grassland, gulches, and scrub-oak foothills is exactly the terrain we're set up for.

Do you handle septic, water, and the driveway too?

Yes — all in-house, which is a major advantage on a Douglas County build where those are the hardest parts.

Your project in Douglas County

Tell us about the lot and we'll map the path — feasibility, design, permit, and build.

Get a Quote