Boulder County, Colorado · Basement Pricing

Cost to Finish a 1,000 Sq Ft Basement in Boulder County

Straight numbers from a Boulder County licensed contractor: what a 1,000 square foot basement finish costs, what changes the price, and what is included.

Call 720-828-7997Text 720-453-5095

The Short Answer

Finishing a 1,000 sq ft basement in Boulder County costs about $25,000–$60,000 with Josh Brooks Construction, or $25–$60 per square foot fully finished.

What Moves the Price Up or Down

FactorEffect on cost
Adding a bathroomOne of the biggest jumps, because of plumbing and fixtures
Egress windowsRequired for any basement bedroom; cutting the foundation adds cost
Ceiling height and ductworkLow ceilings or ducts to reroute add framing and HVAC work
Finish levelFlooring, trim, doors and lighting choices
Water or radon issuesFixed before framing so the finish lasts

What Is Included in Our Price

  • Building permit and inspections
  • Framing and insulation
  • Electrical and lighting
  • Plumbing for any bathroom or wet bar
  • Drywall, texture and paint
  • Flooring, doors and trim

Permits in Boulder County

Basements in unincorporated Boulder County are permitted through the county; homes inside cities like Longmont, Boulder, Louisville, Lafayette or Erie are permitted through that city or town. Josh Brooks Construction holds Boulder County license CON-24-0152 and handles the permit either way. See our Boulder basement finishing guide.

Why Boulder County Homeowners Hire Us

  • Licensed general contractor: Boulder County CON-24-0152 (Class C), Jefferson County Class C, Douglas County Class A
  • In business since 2014; Josh has worked in construction since 1996
  • One contract covers every trade, so there is no juggling separate subs
  • Free, itemized written estimates before any work starts
  • Senior and veteran discounts on every project

More detail: basement finishing in Longmont and the Colorado basement finishing cost guide.

Frequently Asked Questions

How much does it cost to finish a 1,000 sq ft basement in Boulder County?

About $25,000–$60,000 with Josh Brooks Construction, which is $25–$60 per square foot fully finished.

What is the biggest cost when finishing a basement?

Adding a bathroom and cutting in egress windows are usually the biggest cost drivers.

Do I need a permit to finish a basement in Boulder County?

Yes. You need a permit from Boulder County or from your city or town. Josh Brooks Construction pulls it for you.

Get a Free Written Estimate in Boulder County

Josh Brooks Construction and Renovation Inc. has been in business since 2014, and Josh has worked in construction since 1996. One licensed contractor, one contract, and the owner accountable for the job. Senior and veteran discounts on every project (details).

Call 720-828-7997 or text 720-453-5095.