San Marino, CA solar installation & market data
Updated April 15, 2026 By The SolarDNA Data Team
San Marino has 584 solar installations across 1 zip code at a median installed cost of $4.43/W, installations up 4.1% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
584
Zip markets
1
Median cost
$4.43/W
12-mo growth
▲ 4.1%
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in San Marino scores higher than 46% of U.S. zip markets.
Versus California
How San Marino compares with the state
Installed cost
$0.16/W above
state median $4.26/W
Market score
42 vs 53
California scores 53
Share of state installs
0.03%
of 2.3M tracked statewide
Battery attach
24.7%
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: 47–57 installs (midpoint 52)
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
San Marino by year
51 installs in the trailing twelve months vs 49 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in San Marino
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 42 | 1 | 1 | $4.90 |
| 2 | SOLAR OPTIMUM DESIGN ELECTRIC | 31 | 0 | 1 | $2.97 |
| 3 | SUNPOWER | 30 | 0 | 1 | $5.54 |
| 4 | SUNRUN | 21 | 4 | 1 | $4.24 |
| 5 | BURKE ELECTRIC | 15 | 0 | 1 | $4.80 |
| 6 | LA SOLAR GROUP | 14 | 0 | 1 | $3.72 |
| 7 | SOLARMAX | 14 | 0 | 1 | $3.29 |
| 8 | GREEN CONVERGENCE | 13 | 0 | 1 | $5.36 |
| 9 | SOLAR VAST | 13 | 0 | 1 | $3.86 |
| 10 | ALTADENA SOLAR | 12 | 0 | 1 | $4.36 |
| 11 | TRUE POWER SOLAR | 12 | 0 | 1 | $3.57 |
| 12 | PHAT ENERGY | 8 | 0 | 1 | $5.09 |
Zip markets
Zips in San Marino
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 91108 | 584 | $4.43 | 42 C |