Los Osos, CA 93402 solar market data
Updated April 9, 2026 By The SolarDNA Data Team
Los Osos 93402 has 1,563 solar installations at a median installed cost of $4.46/W, installations down 14.9% over the trailing twelve months, and a Market Score of 42 — higher than 46% of U.S. zip markets.
Versus California
How 93402 compares with the state
Installed cost
$0.20/W above
state median $4.26/W
Market score
42 vs 53
California scores 53
Share of state installs
0.07%
of 2.3M tracked statewide
Battery attach
13.6%
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: 72–88 installs (midpoint 80)
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
93402 by year
86 installs in the trailing twelve months vs 101 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 93402
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 526 | 35 | 4.85 | $4.31 |
| 2 | TESLA | 248 | 0 | 4.36 | $5.12 |
| 3 | SOLARPONICS | 109 | 3 | 4.83 | $4.52 |
| 4 | A M SUN SOLAR | 103 | 0 | 5.57 | $4.01 |
| 5 | PHOTON BROTHERS | 53 | 12 | 5.4 | $5.21 |
| 6 | REC SOLAR COMMERCIAL | 52 | 0 | 4.18 | $6.88 |
| 7 | CRIZER CONSTRUCTION | 45 | 1 | 5.49 | $3.22 |
| 8 | TRAVIS ROBSON CONSTRUCTION | 22 | 0 | 5.48 | $3.84 |
| 9 | SUNGEVITY | 19 | 0 | 4.29 | $3.57 |
| 10 | ELECTRICRAFT | 17 | 0 | 4.46 | $3.81 |
| 11 | REC SOLAR | 16 | 0 | 5.64 | — |
| 12 | AXIOM 360 | 15 | 3 | 6.82 | $5.22 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 93442 Morro Bay | 7.0 km | 655 | $4.54 | 53 |
| 93423 Atascadero | 13.6 km | 6 | $8.02 | 28 |
| 93405 San Luis Obispo | 14.1 km | 1,878 | $4.25 | 48 |
| 93430 Cayucos | 15.1 km | 321 | $4.23 | 40 |
| 93407 San Luis Obispo | 16.2 km | 7 | $1.85 | 48 |
| 93401 San Luis Obispo | 17.6 km | 3,449 | $4.25 | 53 |
Same city
Other zips in Los Osos
Equipment
What gets installed in 93402
Share of systems with a recorded brand
Modules
REC SOLAR13.8%
QCELLS NORTH AMERICA11.5%
LONGI GREEN ENERGY TECHNOLOGY10.9%
JA SOLAR8.8%
CSI SOLAR6.2%
Inverters
SOLAREDGE29.4%
ENPHASE ENERGY21.1%
ABB13.4%
TESLA9.5%
SMA AMERICA5.3%
Frequently asked
Quick answers about 93402
How many solar installations are there in 93402?
SolarDNA counts 1,563 active solar installations in Los Osos 93402, 1,547 of them residential, with data through April 9, 2026.
How much does solar cost in 93402?
The median residential system in 93402 cost $4.46 per watt over the trailing twelve months, $0.20/W above the California median.
Is solar growing in 93402?
Installations in 93402 are down 14.9%: 86 in the trailing twelve months versus 101 before.
Who installs solar in 93402?
SUNRUN, TESLA, SOLARPONICS lead the 117 installers with systems in 93402. The full comp set is above.
Is 93402 a good market for solar sales?
93402 scores 42 out of 100 (Good, higher than 46% of U.S. zip markets).