Homes with in law suites — Westminster, CO
Last updated: September 24, 2026
What affects the price
Building an ADU involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.
About this service
A home with an in-law suite includes a private living space, usually with its own entrance, kitchen, and bathroom, designed to house extended family members. People seek these properties to keep aging parents or adult children close while maintaining boundaries and privacy. If your current home doesn't have one, adding an ADU can achieve the same result. Exact pricing confirmed free on the call.
Frequently asked in Westminster
Who is a good accessory dwelling unit contractor in Westminster?
What's the general cost of an ADU in Westminster?
Are there grants available for ADUs in Westminster?
What does 'accessory dwelling unit' actually mean?
An accessory dwelling unit is a second, independent living unit on a single-family property. It includes its own kitchen, bathroom, and sleeping area. Think of it as a separate apartment or casita. This definition is consistent across Westminster and surrounding areas. It's a way to add valuable living space.
What ADU services are offered in Westminster?
How do I find an ADU near me in Westminster?
What is the permit process for an ADU in Westminster?
Also serving nearby: Arvada · Thornton · Denver · Lakewood · Boulder
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Westminster — population 114,875; about 3,633 residents per square mile across 31.6 sq mi. ZIP codes covered include 80030, 80031, 80035, 80036.
Neighborhoods served in Westminster: Standley Lake, Westminster Center, The Ranch Country Club, Westlake, Sheridan Green — and every surrounding area.
Areas we serve
Browse by state, then city.