El Sobrante, CA 94803 solar market data
Updated April 27, 2026 By The SolarDNA Data Team
El Sobrante 94803 has 1,777 solar installations at a median installed cost of $4.95/W, installations up 16.2% over the trailing twelve months, and a Market Score of 48 — higher than 79% of U.S. zip markets.
Versus California
How 94803 compares with the state
Installed cost
$0.68/W above
state median $4.26/W
Market score
48 vs 53
California scores 53
Share of state installs
0.08%
of 2.3M tracked statewide
Battery attach
15.8%
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
Next-12-month outlook: 132–162 installs (midpoint 147)
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
94803 by year
136 installs in the trailing twelve months vs 117 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94803
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 297 | 10 | 5.62 | $5.12 |
| 2 | SUNRUN | 215 | 27 | 5.75 | $4.55 |
| 3 | BRIGHT OPS | 82 | 28 | 5.37 | $5.96 |
| 4 | KOTA CONSTRUCTION | 67 | 0 | 6.25 | $4.87 |
| 5 | SUNPOWER | 63 | 1 | 14.67 | $5.12 |
| 6 | FREEDOM FOREVER | 52 | 6 | 5.59 | $5.17 |
| 7 | PETERSENDEAN | 41 | 0 | 5.54 | $3.91 |
| 8 | SEMPER SOLARIS | 37 | 5 | 5.38 | $4.25 |
| 9 | HIGH DEFINITION SOLAR | 35 | 0 | 2.79 | $7.59 |
| 10 | WEST COAST SOLAR | 34 | 0 | 5.59 | $3.91 |
| 11 | SUNGEVITY | 31 | 0 | 4.03 | $3.88 |
| 12 | ABUNDANT ENERGY CONSTRUCTION | 26 | 0 | 5.57 | $6.53 |
Equipment
What gets installed in 94803
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA15.9%
CSI SOLAR10.8%
SUNPOWER8.3%
REC SOLAR7.1%
JA SOLAR5.3%
Inverters
ENPHASE ENERGY33.1%
SOLAREDGE27.3%
TESLA8.1%
SUNPOWER6.0%
SMA AMERICA5.0%
Frequently asked
Quick answers about 94803
How many solar installations are there in 94803?
SolarDNA counts 1,777 active solar installations in El Sobrante 94803, 1,764 of them residential, with data through April 27, 2026.
How much does solar cost in 94803?
The median residential system in 94803 cost $4.95 per watt over the trailing twelve months, $0.68/W above the California median.
Is solar growing in 94803?
Installations in 94803 are up 16.2%: 136 in the trailing twelve months versus 117 before.
Who installs solar in 94803?
TESLA, SUNRUN, BRIGHT OPS lead the 264 installers with systems in 94803. The full comp set is above.
Is 94803 a good market for solar sales?
94803 scores 48 out of 100 (Great, higher than 79% of U.S. zip markets).