Additions and Remodels Cost in Westminster, CO in 2026
Most Additions and Remodels projects in Westminster, CO cost between $54,000 and $250,000. The typical price is $115,000.
Labour and materials in Westminster run about 5% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Whether the addition needs its own foundation and roof tie-in
- Adding a bathroom or kitchen (plumbing and electrical runs)
- Structural work to the existing wall being opened up
- Local permit and inspection requirements
Usually included
- Framing, roofing and siding to match
- Electrical rough-in and finish
- Insulation, drywall and paint
- Flooring and trim
Usually extra
- Permits and architectural drawings
- Site work or tree removal
- High-end fixtures and appliances
Unit prices in Westminster, CO
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $135 |
| Mid-range | $290 |
| High-end | $620 |
Home addition and remodeling contractors in Westminster, CO
Businesses listed on Google near Westminster, CO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
K&D Development
5.0(83 reviews)
2951 W 91st Pl, Denver, CO 80260
Jax Home Construction, LLC
4.9(89 reviews)
7310 W 52nd Ave A 258, Arvada, CO 80002
Elite Property Innovations LLC
5.0(53 reviews)
1499 W 120th Ave #110, Westminster, CO 80234
America's Best Home Improvement, Llc
5.0(45 reviews)
1380 US-287, Broomfield, CO 80020
ADO Home Renovations
4.8(46 reviews)
9650 Lamar Pl, Westminster, CO 80021
Cooper Remodeling
5.0(22 reviews)
7151 W 52nd Ave, Arvada, CO 80002