Basement Finishing Permit Requirements in Lakewood, CO
Uses 2021 I-Codes adopted May 8, 2023 (Ordinance O-2023-9), effective Jun 30, 2023. High altitude (~5,500 ft) — HVAC derating required. 30 psf ground snow load, 36-inch frost depth. Home Rule Municipality. Jefferson County seat. Contractor registration required. Email: permitcounter@lakewood.org
When you DO need a permit
Finishing a basement requires permits in Lakewood, CO. Radon mitigation system required.
Estimated fee: $170 – $680
Typical timeline: About 3 weeks
Source: Lakewood Municipal Code / 2021 I-Codes (Ordinance O-2023-9, effective Jun 30, 2023)
Adding a basement bathroom requires permits in Lakewood, CO.
Estimated fee: $255 – $1,020
Typical timeline: About 3 weeks
Source: Lakewood Municipal Code / 2021 I-Codes (Ordinance O-2023-9, effective Jun 30, 2023)
Adding basement egress requires a permit in Lakewood, CO.
Estimated fee: $130 – $425
Typical timeline: About 2 weeks
Source: Lakewood Municipal Code / 2021 I-Codes (Ordinance O-2023-9, effective Jun 30, 2023)
Adding a basement bedroom requires permits in Lakewood, CO.
Estimated fee: $210 – $765
Typical timeline: About 3 weeks
Source: Lakewood Municipal Code / 2021 I-Codes (Ordinance O-2023-9, effective Jun 30, 2023)
Finished basements used as living space may trigger zoning occupancy requirements, especially if adding a bedroom or creating a separate dwelling unit.
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Frequently Asked Questions
Estimated permit fees for Basement Finishing projects in Lakewood, CO range from $170 – $680. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Basement Finishing projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Lakewood can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Basement Finishing permits in Lakewood is About 3 weeks. More complex projects may take longer if plan review is required.
Learn More About Basement Finishing Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Basement Finishing Guide →