San Anselmo, CA solar installation & market data
Updated April 29, 2026 By The SolarDNA Data Team
San Anselmo has 1,387 solar installations across 2 zip codes at a median installed cost of $5.10/W, installations up 67.6% over the trailing twelve months, and an installs-weighted Market Score of 54.
Active installations
1,387
Zip markets
2
Median cost
$5.10/W
12-mo growth
▲ 67.6%
Installers active
207
City Market Score
Excellent · installs-weighted across 2 zips
Best zip in San Anselmo scores higher than 97% of U.S. zip markets.
Versus California
How San Anselmo compares with the state
Installed cost
$0.84/W above
state median $4.26/W
Market score
54 vs 53
California scores 53
Share of state installs
0.06%
of 2.3M tracked statewide
Battery attach
22.4%
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: 116–158 installs (midpoint 137)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
San Anselmo by year
119 installs in the trailing twelve months vs 71 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in San Anselmo
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 220 | 11 | 1 | $4.99 |
| 2 | SOLARCRAFT SERVICES | 111 | 11 | 1 | $5.34 |
| 3 | SUNRUN | 102 | 16 | 1 | $4.59 |
| 4 | SUN FIRST | 96 | 2 | 1 | $5.72 |
| 5 | EARTHWISE ENERGY SOLUTIONS | 57 | 14 | 1 | $6.13 |
| 6 | SUNPOWER | 52 | 2 | 1 | $5.28 |
| 7 | PAC SOLAR | 45 | 0 | 1 | $3.38 |
| 8 | SEMPER SOLARIS | 41 | 4 | 1 | $4.48 |
| 9 | ROCKIN ROOFERS | 34 | 4 | 1 | $4.62 |
| 10 | SPG SOLAR | 28 | 0 | 1 | $7.82 |
| 11 | RGS ENERGY | 24 | 0 | 1 | $6.39 |
| 12 | SOLARCRAFT | 23 | 0 | 1 | $3.90 |
| 13 | SONOMARIN SOLAR | 21 | 1 | 1 | $3.84 |
| 14 | MARIN SOLAR | 16 | 0 | 1 | $7.09 |
| 15 | SUNGEVITY | 13 | 0 | 1 | $3.99 |
| 16 | SOLAR TECHNOLOGIES | 13 | 0 | 1 | $4.42 |
| 17 | BERT BARTSCH | 12 | 0 | 1 | $3.87 |
| 18 | QUATTRO SOLAR | 12 | 1 | 1 | $4.29 |
| 19 | BRIGHT OPS | 12 | 9 | 1 | $7.16 |
| 20 | NEXUS ENERGY SYSTEMS | 12 | 3 | 1 | $4.51 |
| 21 | COOPERATIVE COMMUNITY ENERGY | 11 | 0 | 1 | $7.43 |
| 22 | A1 SOLAR POWER | 10 | 0 | 1 | $7.40 |
| 23 | PETERSENDEAN | 10 | 0 | 1 | $3.71 |
| 24 | AMERICAN SOLAR DIRECT | 10 | 0 | 1 | $4.01 |
| 25 | LUMINALT ENERGY | 9 | 0 | 1 | $5.83 |