Solar Panel Rules in Boise, ID (2026)
Solar panel installation rules, mandate status, HOA restrictions, and permit process for Boise, ID.
Boise, ID does not currently have a solar installation mandate. Solar panels are a permitted use on residential and commercial properties subject to standard building permit requirements. Property owners in Boise must obtain a permit before installing solar panels. HOA restrictions on solar are limited by state law. Boise offers permit review for residential solar installations. Below you will find the current solar mandate status, HOA rules, permit process, and any historic district restrictions that apply to solar installations in Boise.
Solar Mandate Status
No Solar Mandate in Boise: Boise does not currently have a solar installation mandate for new or existing construction. Installing solar is voluntary and subject to permit requirements. Federal Investment Tax Credit (ITC) may apply — consult a tax professional for current incentive information. Idaho Power serves most of the Boise area. Idaho Power offers net metering with full retail credit for excess generation up to system size. No residential solar mandate in Idaho.
HOA Restrictions
HOA Restrictions on Solar in Boise: Idaho Code Section 55-115 limits HOA restrictions on solar energy systems. HOAs may impose reasonable aesthetic standards but cannot prohibit solar installations that meet code.
Permit Process
Permit Process in Boise: Boise Planning and Development Services issues solar permits. Standard residential solar systems typically processed in 1-3 weeks. Idaho Power provides net metering for Boise area customers through their Solar PV Program.
Historic District Considerations
Historic District Considerations in Boise: Properties in Boise's National Register Historic Districts (Harrison Boulevard, Warm Springs Avenue) may require design review for solar installations visible from public right-of-way. If your property is located in a historic district, contact the Boise Planning and Development Services — Planning Division before designing your solar system — placement restrictions may affect system output.
Frequently Asked Questions
Can I build an ADU in Boise?
Yes. Boise allows ADUs (accessory dwelling units) through its local zoning code (City Code Title 11). You can build a detached or attached ADU on most residential lots. Idaho does not have statewide ADU preemption, but Boise has adopted permissive local ADU allowances. Detached ADUs are limited to 1,000 sqft. No owner-occupancy requirement applies. Permits are processed by Boise Planning and Development Services.
Does Boise require a permit for short-term rentals?
Yes. Boise requires a Short-Term Rental License ($125/year) for all Airbnb-style rentals. An annual fire safety inspection is also required. The license number must be displayed on all listing platforms. Airbnb and VRBO collect and remit applicable Idaho state sales tax and local lodging taxes on behalf of hosts.
What are the setbacks in an R-1C zone in Boise?
In an R-1C zone in Boise (standard single-family residential), the setbacks are: 20 ft front, 5 ft each side, and 20 ft rear. ADUs must maintain 5 ft side and 10 ft rear setbacks. Always verify specific parcel setbacks with Boise Planning and Development Services.
Are solar panels required on new homes in Boise?
No. Idaho does not have a solar mandate for residential construction. Solar is voluntary in Boise. Idaho Power serves the Boise area and offers net metering through their Solar PV Program. HOAs have limited ability to prohibit solar installations under Idaho Code Section 55-115.
What makes Boise zoning unique?
Boise is one of the fastest-growing cities in the US and has updated its zoning code to address rapid growth and housing demand. The city has hillside development constraints through the Hillside and Foothill Development Ordinance for properties in the foothills areas. Boise is also notable for its Greenbelt trail system along the Boise River, which creates open space requirements near the river.
Source: Boise Building Department — Solar Panel Permits. Last verified April 5, 2026. View source