Meet SolarDNA. Pricing built on the data you already trust.
United States › California › Mendocino County

Mendocino County, CA solar installation & market data

Updated May 26, 2026 By The SolarDNA Data Team
Mendocino County has 3,679 solar installations across 28 zip codes at a median installed cost of $4.19/W, installations up 9.7% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
3,679
Zip markets
28
Median cost
$4.19/W
12-mo growth
▲ 9.7%
Installers active
369
42
County Market Score
Good · installs-weighted across 28 zips
Best zip in Mendocino County scores higher than 84% of U.S. zip markets.
Versus California

How Mendocino County compares with the state

Installed cost
$0.07/W below
state median $4.26/W
Market score
42 vs 53
California scores 53
Share of state installs
0.16%
of 2.3M tracked statewide
Battery attach
7.3%
state 12.7%
Statewide momentum
▲ 1.1%
residential solar added in California, 12 months through Jul 2026
Statewide market
2.3M systems
30.9% of homes · utility-reported through Jul 2026
Next-12-month outlook: 234–286 installs (midpoint 260)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing

Mendocino County by year

248 installs in the trailing twelve months vs 226 before

Installations by year
Median installed cost, $/W DC by year
Installer comp set

Who installs in Mendocino County

Summed across every zip in the county

Export CSV
#InstallerInstalls12-moZips$/W
1MENDOCINO SOLAR SERVICE5272017$4.61
2RADIANT SOLAR TECH192014$4.02
3FREEDOM FOREVER1441713$4.15
4GAIA ENERGY SYSTEMS90016$6.88
5BRIGHT OPS84286$4.66
6RGS ENERGY83017$6.78
7MD ELECTRIC SOLAR8204$4.11
8RISE ENERGY7602$2.52
9TESLA7548$4.24
10ALEX REDIN SOLAR71016$4.33
11ROCK MOUNTAIN ELECTRIC6803$1.06
12ROGER6026$2.75
13ADVANCE SOLAR HYDRO WIND POWER59014$6.29
14INFINITY ENERGY52010$4.53
15SUNRUN46108$5.01
16REAL GOODS44013$8.07
17PETERSENDEAN41010$4.24
18MENDOCINO SOLAR WORKS40011$4.43
19TITAN SOLAR3908$4.68
20RES ELECTRIC3406$2.79
21ACR SERVICE3308$3.85
22FORT BRAGG ELECTRIC3236$4.54
23PURE POWER SOLUTIONS3217$2.73
24SUNGEVITY3009$3.66
25COMPLETE SOLAR2809$4.11
Zip markets

Zips in Mendocino County

Ranked by installations · click for the zip market

ZipInstalls$/WScore
95437835$3.7845 C
95482750$4.1949 B
95490448$4.5339 C
95470389$3.4344 C
95460172$4.6337 D
95445163$4.3939 D
95428106$4.0840 C
95415102$4.0740 C
9546988$3.8241 C
9546688$6.2829 F
9544987$4.5038 D
9546878$4.2639 C
9541072$5.2034 D
9545457$5.5233 F
9545647$4.3938 D
9545944$4.4438 D
9542027$4.6637 D
9549424$3.9040 C
9543222$4.3038 D
9542721$4.4138 D
9546318$5.1434 D
9548815$5.8531 F
954187$4.5437 D
954175$4.2239 D
955855$3.4342 C
955874$3.8340 C
954293$5.3333 D
954812$5.9730 F