San Rafael, CA 94903 solar market data
Updated April 16, 2026 By The SolarDNA Data Team
San Rafael 94903 has 2,143 solar installations at a median installed cost of $4.70/W, installations up 13.6% over the trailing twelve months, and a Market Score of 50 — higher than 87% of U.S. zip markets.
Versus California
How 94903 compares with the state
Installed cost
$0.44/W above
state median $4.26/W
Market score
50 vs 53
California scores 53
Share of state installs
0.09%
of 2.3M tracked statewide
Battery attach
15.9%
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: 144–176 installs (midpoint 160)
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
94903 by year
150 installs in the trailing twelve months vs 132 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94903
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 292 | 10 | 6.98 | $5.11 |
| 2 | SOLARCRAFT SERVICES | 195 | 16 | 7.83 | $4.89 |
| 3 | SUNRUN | 139 | 19 | 8.75 | $5.03 |
| 4 | PAC SOLAR | 110 | 0 | 6.3 | $3.37 |
| 5 | SUN FIRST | 109 | 3 | 7.28 | $4.65 |
| 6 | ROCKIN ROOFERS | 72 | 7 | 7.47 | $4.14 |
| 7 | SUNPOWER | 67 | 0 | 6.43 | $4.79 |
| 8 | SONOMARIN SOLAR | 62 | 9 | 6.87 | $4.01 |
| 9 | SEMPER SOLARIS | 49 | 4 | 6.29 | $5.27 |
| 10 | EARTHWISE ENERGY SOLUTIONS | 48 | 13 | 8.21 | $6.04 |
| 11 | RGS ENERGY | 41 | 0 | 4.76 | $7.38 |
| 12 | BETTER EARTH | 40 | 0 | 7.2 | $5.26 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94949 Novato | 5.0 km | 1,197 | $4.45 | 51 |
| 94930 Fairfax | 5.1 km | 596 | $5.12 | 37 |
| 94973 Woodacre | 5.5 km | 97 | $5.12 | 35 |
| 94960 San Anselmo | 5.6 km | 1,386 | $5.10 | 54 |
| 94947 Novato | 7.1 km | 1,672 | $4.52 | 49 |
| 94963 San Geronimo | 7.2 km | 69 | $4.80 | 36 |
Same city
Other zips in San Rafael
Equipment
What gets installed in 94903
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA12.8%
SUNPOWER12.4%
SILFAB SOLAR11.8%
LG ELECTRONICS6.7%
CSI SOLAR6.6%
Inverters
ENPHASE ENERGY36.2%
SOLAREDGE23.0%
SUNPOWER9.2%
TESLA8.2%
SMA AMERICA7.3%
Frequently asked
Quick answers about 94903
How many solar installations are there in 94903?
SolarDNA counts 2,143 active solar installations in San Rafael 94903, 2,093 of them residential, with data through April 16, 2026.
How much does solar cost in 94903?
The median residential system in 94903 cost $4.70 per watt over the trailing twelve months, $0.44/W above the California median.
Is solar growing in 94903?
Installations in 94903 are up 13.6%: 150 in the trailing twelve months versus 132 before.
Who installs solar in 94903?
TESLA, SOLARCRAFT SERVICES, SUNRUN lead the 260 installers with systems in 94903. The full comp set is above.
Is 94903 a good market for solar sales?
94903 scores 50 out of 100 (Great, higher than 87% of U.S. zip markets).