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Denver Permit Guide · 2026

Basement Remodel Permits
in Denver, CO

Permit fees for a basement remodel in Denver typically run $275–$1,125. Here's exactly which permits you need, what they cost, and how long CO review takes.

Do you need a permit for a basement remodel in Denver?

Yes — finishing a basement almost always needs building, electrical, and often plumbing permits, plus egress compliance for any bedroom in Denver. Permit fees for a typical $56,847 basement remodel run about $275–$1,125 (valuation-based fee plus plan review), and CO plan review typically takes 2–4 weeks.

Permits you'll likely need

Building

framing new walls and egress windows

Electrical

new circuits, outlets, and lighting

Plumbing

bathroom or wet-bar rough-in

Mechanical

extending ductwork or ventilation

Usually exempt

Paint and flooring in an already-finished basement

How to get basement remodel permits in Denver

  1. 1
    Confirm what triggers a permit

    Building, Electrical, Plumbing, Mechanical permits apply when the scope includes framing new walls and egress windows. Cosmetic-only scopes may be exempt.

  2. 2
    Budget the fee

    Plan for $275–$1,125 in Denver — a valuation-based fee on a typical $56,847 project plus plan review.

  3. 3
    Apply with complete documents

    Submit scope, drawings, and contractor license info to the Denver building department. CO plan review typically takes 2–4 weeks.

  4. 4
    Verify it in the bid

    A complete Denver bid lists permit fees as a line item. If a bid omits permits — or suggests skipping them — analyze it before signing.

Basement Remodel permits in Denver: FAQ

Do I need a permit for a basement remodel in Denver?
Yes — finishing a basement almost always needs building, electrical, and often plumbing permits, plus egress compliance for any bedroom in Denver, CO. When in doubt, call the Denver building department before work starts — unpermitted work can block a future sale.
How much do basement remodel permits cost in Denver?
Expect roughly $275–$1,125 in Denver for a typical $56,847 basement remodel. Most jurisdictions charge a valuation-based fee of about 0.5–2% of project value, plus plan review and per-trade permit minimums.
How long does a basement remodel permit take in Denver?
Simple trade permits are often issued over the counter in Denver. Where plan review applies, CO turnaround typically runs 2–4 weeks. Submit complete drawings the first time — resubmittals are the most common cause of delay.
Who pulls the permit — me or my contractor?
Usually your contractor pulls permits for a basement remodel, and their license is attached to the work. A contractor who asks you to pull an owner's permit for contractor-performed work is shifting liability onto you — treat that as a red flag when reviewing bids.

More Denver permit guides

Basement Remodel permits in other CO metros

Is your basement remodel bid fair?

A typical Denver basement remodel runs $56,847. Check your contractor's bid — permits included — against live 2026 local data, free.

Denver basement remodel costsAUDIT MY BID

Data sources: Zonda Cost vs Value 2025; Houzz 2024 Cost Guides; BLS OEWS 2023; FRED regional price indices; Reddit homeowner & contractor reports.

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