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Solar Installation in San Francisco, CA

Compare 6 local solar installation pros. Typical service: $21301–$29380.

Top Solar Installation Companies in San Francisco

  1. 1.SolarUnion

    4.6★ (142 reviews)

    4.6★ from 142 reviews

    +18888156633

  2. 2.All Bay Solar Construction

    4.9★ (85 reviews)

    4.9★ from 85 reviews

    +14156243535Website

  3. 3.Bundle, A Solar Company

    5.0★ (38 reviews)

    5.0★ from 38 reviews

    +14153764593

  4. 4.Luminalt Solar

    4.7★ (26 reviews)

    4.7★ from 26 reviews

    +14156414000Website

  5. 5.Potrero Energy

    5.0★ (19 reviews)

    5.0★ from 19 reviews

    +14158733463Website

  6. 6.Ra Solar

    4.0★ (18 reviews)

    4.0★ from 18 reviews

    +18008047958

Solar Installation Cost in San Francisco

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in San Francisco
6 kW system, installed$21,301–$29,380/job
8 kW system, installed$28,352–$39,222/job
10 kW system, installed$35,403–$49,065/job

Solar Installation prices in San Francisco run about 47% above the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 6 companies serving San Francisco, rated 4.7★ on average across 328 customer reviews.

San Francisco Climate & Seasonal Timing

What San Francisco's weather means for scheduling solar installation.

Annual precipitation
20.68"
Heating degree days
3,564
Cooling degree days
19
MonthLowHighPrecip
Jan45°56.6°4.18"
Feb46.5°58.6°4.1"
Mar47.5°59°2.63"
Apr48.8°59.1°1.18"
May50.6°59.5°0.64"
Jun52.5°60.8°0.21"
Jul54°61.5°0.01"
Aug55.3°62.8°0.05"
Sep54.8°63.8°0.1"
Oct52.9°64.5°1.06"
Nov48.8°61.6°2.55"
Dec45.3°56.8°3.97"

NOAA station data 28.8 miles from San Francisco.

Permits & Regulations in CA

Permit typically required

  • Electrical contracting requires a CSLB C-10 Electrical Contractor license
  • Electricians employed by a C-10 contractor must be certified by the Department of Industrial Relations
  • Business and Professions Code 7048 exempts minor work under $1,000, but not work that requires a building permit

License required: CSLB C-10 Electrical Contractor license; DIR-certified electricians

Sources: www.cslb.ca.gov, www.dir.ca.gov

Solar Installation FAQs for San Francisco

How much does solar cost in San Francisco?

A 6 kW home solar system in San Francisco typically runs $21301-$29380 installed, before any incentives.

How many solar installers serve San Francisco?

We track 6 solar installation companies serving San Francisco.

Is solar installation in San Francisco more expensive than average?

Electrical installation labor in San Francisco runs about +46.9% versus the national average.

Do I need a permit for solar panels in San Francisco, CA?

In CA, Electrical contracting requires a CSLB C-10 Electrical Contractor license. Rooftop solar in San Francisco needs a building and electrical permit plus a utility interconnection agreement.

Is there a federal solar tax credit in 2026?

No for homeowners buying a system: the residential federal credit ended December 31, 2025, so a San Francisco quote of $21301-$29380 is close to the out-of-pocket cost unless a state or utility rebate applies.

How much does air conditioning drive solar savings in San Francisco?

San Francisco sees about 19 cooling degree days a year; the more air conditioning a home runs, the more of a solar systems output it uses directly.

How many quotes should I get for solar in San Francisco?

At least three; with 6 installers serving San Francisco, compare the price per watt, panel and inverter models, and the workmanship warranty.

Does heat reduce solar output in San Francisco?

Slightly; panels lose efficiency on days near 65F, so San Francisco quotes should use temperature-adjusted production estimates.