Brentwood, CA solar installation & market data
Updated April 6, 2026 By The SolarDNA Data Team
Brentwood has 11,478 solar installations across 1 zip code at a median installed cost of $4.25/W, installations down 1.4% over the trailing twelve months, and an installs-weighted Market Score of 48.
Active installations
11,478
Zip markets
1
Median cost
$4.25/W
12-mo growth
▼ 1.4%
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Brentwood scores higher than 79% of U.S. zip markets.
Versus California
How Brentwood compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
48 vs 53
California scores 53
Share of state installs
0.51%
of 2.3M tracked statewide
Battery attach
6.2%
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: 426–520 installs (midpoint 473)
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
Brentwood by year
476 installs in the trailing twelve months vs 483 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Brentwood
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 2,770 | 41 | 1 | $4.90 |
| 2 | SUNRUN | 1,522 | 125 | 1 | $4.31 |
| 3 | SUNPOWER | 939 | 2 | 1 | $4.25 |
| 4 | WEST COAST SOLAR | 859 | 14 | 1 | $3.66 |
| 5 | CITADEL ROOFING AND SOLAR | 448 | 65 | 1 | $2.85 |
| 6 | DEL SOL ENERGY | 410 | 0 | 1 | $3.52 |
| 7 | BRIGHT OPS | 337 | 21 | 1 | $4.52 |
| 8 | PETERSENDEAN | 318 | 0 | 1 | $3.65 |
| 9 | ALL ELECTRIC SOLAR | 171 | 0 | 1 | $3.65 |
| 10 | SOLAR UNIVERSE | 164 | 0 | 1 | $4.08 |
| 11 | FREEDOM FOREVER | 157 | 15 | 1 | $4.55 |
| 12 | SEMPER SOLARIS | 119 | 9 | 1 | $4.24 |
Zip markets
Zips in Brentwood
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 94513 | 11,478 | $4.25 | 48 B |