Solar Permit in Denver, Colorado
By Mario Bailey Last verified 2026-06-17 · 2 official sources
Quick answer
An electrical permit is required for all residential rooftop solar PV installations in Denver. Systems under 10 kW DC on homes with service up to 400 amps may use the SolarAPP+ quick permit process. Systems of 10 kW and above require stamped engineered plans. Solar hot water systems also require a plumbing permit. Zoning permits are required if panels are not flush-mounted or if battery systems are external.
Permit required?
Yes, a permit is required.
When a permit is usually needed
Before installing any residential solar PV or solar hot water system
Permit cost and what affects it
Fees are set by the locality and are not published here. See the official fee schedule or contact the office for current amounts.
Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.
Where to apply
City and County of Denver Community Planning and Development
- 201 W. Colfax Ave., Dept. 205, Denver, CO 80202
- Phone: 720-865-2720
- Email: planreview@denvergov.org
Frequently asked questions
- Do you need a solar permit in Denver?
- An electrical permit is required for all residential rooftop solar PV installations in Denver. Systems under 10 kW DC on homes with service up to 400 amps may use the SolarAPP+ quick permit process. Systems of 10 kW and above require stamped engineered plans. Solar hot water systems also require a plumbing permit. Zoning permits are required if panels are not flush-mounted or if battery systems are external. Always confirm with the City and County of Denver Community Planning and Development before starting.
- How much does a solar permit cost in Denver?
- Fees are set by Denver and are not published here. Contact the office for current amounts.
- How long does a solar permit take in Denver?
- Processing time for a solar permit in Denver varies by workload and project scope. Contact the City and County of Denver Community Planning and Development for a current estimate.
- Where do you apply for a solar permit in Denver?
- You can apply through the Denver permit portal or contact the City and County of Denver Community Planning and Development directly. The links are listed on this page.
Official sources
- https://denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Community-Planning-and-Development/Plan-Review-Permits-and-Inspections/Single-Family-and-Duplex-Projects/Solar-Permits
- https://www.denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Community-Planning-and-Development/E-permits
Last verified: 2026-06-17 Report an error on this page
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