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Solar Installation in Santa Rosa, CA

Compare 6 local solar installation pros. Typical service: $17763–$24500.

Top Solar Installation Companies in Santa Rosa

  1. 1.First Response Solar

    5.0★ (100 reviews)

    5.0★ from 100 reviews

    +17078610388Website

  2. 2.Santa Rosa Solar & Electric

    5.0★ (53 reviews)

    5.0★ from 53 reviews

    +17074950090Website

  3. 3.SolarCraft

    5.0★ (30 reviews)

    5.0★ from 30 reviews

    +17077780568Website

  4. 4.Suntegrity Solar

    4.8★ (33 reviews)

    4.8★ from 33 reviews

    +17076231464Website

  5. 5.Westcoast Solar Energy

    3.7★ (7 reviews)

    3.7★ from 7 reviews

    +17076646450Website

  6. 6.North Coast Solar

    +17075753999Website

Solar Installation Cost in Santa Rosa

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

ServiceTypical range in Santa Rosa
6 kW system, installed$17,763–$24,500/job
8 kW system, installed$23,643–$32,708/job
10 kW system, installed$29,523–$40,915/job

Solar Installation prices in Santa Rosa run about 23% 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 Santa Rosa, rated 4.7★ on average across 223 customer reviews.

Santa Rosa Climate & Seasonal Timing

What Santa Rosa's weather means for scheduling solar installation.

Last spring frost
February 13
First fall frost
December 2
Annual precipitation
32.2"
Heating degree days
2,567
Cooling degree days
459
MonthLowHighPrecip
Jan39.2°59°5.93"
Feb41.3°63.2°6.02"
Mar43°66.6°4.53"
Apr44.8°70.4°1.82"
May48.3°74.5°1.28"
Jun51.7°80.1°0.23"
Jul52.4°82.2°0.01"
Aug52.6°82.8°0.07"
Sep51.5°83.2°0.35"
Oct48.3°77.9°1.73"
Nov42.8°66.9°4.04"
Dec38.9°59°6.19"

NOAA station data 0.79 miles from Santa Rosa.

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 Santa Rosa

How much does solar cost in Santa Rosa?

A 6 kW home solar system in Santa Rosa typically runs $17763-$24500 installed, before any incentives.

How many solar installers serve Santa Rosa?

We track 6 solar installation companies serving Santa Rosa.

Is solar installation in Santa Rosa more expensive than average?

Electrical installation labor in Santa Rosa runs about +22.5% versus the national average.

Do I need a permit for solar panels in Santa Rosa, CA?

In CA, Electrical contracting requires a CSLB C-10 Electrical Contractor license. Rooftop solar in Santa Rosa 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 Santa Rosa quote of $17763-$24500 is close to the out-of-pocket cost unless a state or utility rebate applies.

How much does air conditioning drive solar savings in Santa Rosa?

Santa Rosa sees about 459 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 Santa Rosa?

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

Does heat reduce solar output in Santa Rosa?

Slightly; panels lose efficiency on days near 83F, so Santa Rosa quotes should use temperature-adjusted production estimates.