Fairfax, CA 94930 solar market data
Updated May 1, 2026 By The SolarDNA Data Team
Fairfax 94930 has 596 solar installations at a median installed cost of $5.12/W, recent growth not yet measurable, and a Market Score of 37 — higher than 19% of U.S. zip markets.
Versus California
How 94930 compares with the state
Installed cost
$0.85/W above
state median $4.26/W
Market score
37 vs 53
California scores 53
Share of state installs
0.03%
of 2.3M tracked statewide
Battery attach
21.8%
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
Growth & pricing
94930 by year
39 installs in the trailing twelve months vs 45 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94930
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 86 | 2 | 6.38 | $5.11 |
| 2 | SOLARCRAFT SERVICES | 40 | 2 | 12.38 | $6.34 |
| 3 | SUNRUN | 33 | 2 | 9.89 | $4.44 |
| 4 | SUN FIRST | 29 | 3 | 13.34 | $5.57 |
| 5 | EARTHWISE ENERGY SOLUTIONS | 23 | 3 | 6.86 | $6.44 |
| 6 | ROCKIN ROOFERS | 21 | 2 | 6.17 | $4.69 |
| 7 | SUNPOWER | 19 | 0 | 9.06 | $5.37 |
| 8 | PAC SOLAR | 17 | 0 | 6.1 | $3.50 |
| 9 | SEMPER SOLARIS | 16 | 1 | 4.59 | $6.73 |
| 10 | SPG SOLAR | 16 | 0 | 8.1 | $7.31 |
| 11 | COOPERATIVE COMMUNITY ENERGY | 14 | 0 | 3.7 | $7.16 |
| 12 | BERT BARTSCH | 12 | 0 | 3.89 | $3.77 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94960 San Anselmo | 2.0 km | 1,386 | $5.10 | 54 |
| 94973 Woodacre | 4.4 km | 97 | $5.12 | 35 |
| 94957 Ross | 4.4 km | 243 | $4.94 | 36 |
| 94903 San Rafael | 5.1 km | 2,143 | $4.70 | 50 |
| 94904 Greenbrae | 6.7 km | 974 | $5.10 | 52 |
| 94963 San Geronimo | 6.8 km | 69 | $4.80 | 36 |
Same city
Other zips in Fairfax
Equipment
What gets installed in 94930
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA12.8%
SUNPOWER12.8%
SILFAB SOLAR9.3%
KYOCERA SOLAR5.7%
LG ELECTRONICS5.7%
Inverters
ENPHASE ENERGY31.9%
SOLAREDGE21.2%
SMA AMERICA12.0%
SUNPOWER9.4%
TESLA6.7%
Frequently asked
Quick answers about 94930
How many solar installations are there in 94930?
SolarDNA counts 596 active solar installations in Fairfax 94930, 581 of them residential, with data through May 1, 2026.
How much does solar cost in 94930?
The median residential system in 94930 cost $5.12 per watt over the trailing twelve months, $0.85/W above the California median.
Is solar growing in 94930?
Recent growth cannot be measured yet for 94930: too few recent installs (data runs through May 1, 2026).
Who installs solar in 94930?
TESLA, SOLARCRAFT SERVICES, SUNRUN lead the 129 installers with systems in 94930. The full comp set is above.
Is 94930 a good market for solar sales?
94930 scores 37 out of 100 (Fair, higher than 19% of U.S. zip markets).