Do I need a permit for solar panels?

Short answer: Across the 25 US cities we checked, solar panels always needs a permit in 18, needs none in 0, and depends on size, location or scope in 1; 6 are unverified. Your city's rule is what counts.

18 permit required
1 depends
0 no permit
6 unverified
2 fees verified

Rooftop solar usually needs electrical (and often building) permits plus utility interconnection approval.

General pattern only, not a rule for any city. The table below is built from each city's official source.

City-by-city comparison

Solar panels permit rules by city
City	Answer	Key condition	Fee
Austin, TX	Permit required	Registered contractor applies	Auxiliary power (solar) permitting intake fee: $53.56 (FY2026-27); other fees may apply.
Boston, MA	Permit required	Licensed plumber/electrician	Not verified
Charlotte, NC	Permit required	Yes. Installing new electrical equipment such as a solar system needs a permit under NC law and Mecklenburg ru	Not verified
Chicago, IL	Permit required	Licensed architect/engineer drawings	Not verified
Columbus, OH	Permit required	Stamped structural drawings	Not verified
Dallas, TX	Permit required	Yes. Installing solar equipment is building service equipment work that needs a permit.	Not verified
Denver, CO	Permit required	Under 10 kW: quick permit	Not verified
El Paso, TX	Unverified, confirm locally	We did not find an official El Paso page on solar permits that we could quote.	Not verified
Fort Worth, TX	Permit required	Yes. Solar panels are listed among accessory structures that need a building permit; the residential remodel a	Not verified
Houston, TX	Permit required	Rooftop: structural, electrical, flood review	Not verified
Indianapolis, IN	Unverified, confirm locally	We did not find an official Indianapolis page on solar permits that we could quote.	Not verified
Jacksonville, FL	Unverified, confirm locally	We did not find an official Jacksonville page on solar permits that we could quote.	Not verified
Las Vegas, NV	Permit required	Plans required	Not verified
Los Angeles, CA	Permit required	10 kW or less: streamlined/express	Not verified
Nashville, TN	Permit required	Yes. Installing solar panels needs a building permit.	Not verified
New York City, NY	Unverified, confirm locally	We did not find an official NYC page on solar permits that we could quote.	Not verified
Oklahoma City, OK	Permit required	Yes. Oklahoma City has a residential solar panel permit with its own requirements.	Not verified
Philadelphia, PA	Permit required	No zoning permit	Not verified
Phoenix, AZ	Permit required	SolarAPP+ or over-the-counter review	Residential solar PV fixed-fee options: $780 (plan review + 3 inspections) or $585 (plan review + 2 inspection
San Antonio, TX	Unverified, confirm locally	We did not find an official San Antonio page on solar permits.	Not verified
San Diego, CA	Permit required	IB-301 template: no plan review	Not verified
San Francisco, CA	Depends on your project	Electrical permit may be required	Not verified
San Jose, CA	Permit required	Plans reviewed at inspection	Not verified
Seattle, WA	Unverified, confirm locally	We did not find an official Seattle page on solar permits that we could quote.	Not verified
Washington, DC	Permit required	Up to 15 kW: instant permit	Not verified

Other projects

Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.