Humboldt County, CA solar installation & market data
Updated May 28, 2026 By The SolarDNA Data Team
Humboldt County has 5,313 solar installations across 36 zip codes at a median installed cost of $4.03/W, installations up 8.6% over the trailing twelve months, and an installs-weighted Market Score of 45.
Active installations
5,313
Zip markets
36
Median cost
$4.03/W
12-mo growth
▲ 8.6%
Installers active
263
County Market Score
Good · installs-weighted across 36 zips
Best zip in Humboldt County scores higher than 95% of U.S. zip markets.
Versus California
How Humboldt County compares with the state
Installed cost
$0.24/W below
state median $4.26/W
Market score
45 vs 53
California scores 53
Share of state installs
0.24%
of 2.3M tracked statewide
Battery attach
15.0%
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: 428–524 installs (midpoint 476)
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
Humboldt County by year
456 installs in the trailing twelve months vs 420 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Humboldt County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | ABUNDANCE BUILDERS | 463 | 75 | 25 | $5.29 |
| 2 | GREENWIRED | 456 | 64 | 28 | $4.08 |
| 3 | ROGER | 404 | 23 | 20 | $2.88 |
| 4 | SCURFIELD SOLAR | 320 | 0 | 17 | $4.83 |
| 5 | WESTHAVEN SOLAR | 255 | 0 | 20 | $4.33 |
| 6 | FREEDOM FOREVER | 238 | 22 | 22 | $5.77 |
| 7 | SWELL CONTRACTORS | 236 | 7 | 25 | $4.69 |
| 8 | RISE ENERGY | 162 | 13 | 18 | $2.62 |
| 9 | HAVENELECTRIC | 129 | 0 | 15 | $4.48 |
| 10 | CONCEPTUAL ELECTRIC | 119 | 0 | 16 | $3.35 |
| 11 | SOLAR PROJECTS UNLIMITED | 113 | 8 | 14 | $3.77 |
| 12 | WESTHAVEN POWER | 106 | 0 | 13 | $4.13 |
| 13 | SUNBOLT SOLAR | 99 | 18 | 10 | $3.50 |
| 14 | WESLEY HODGES | 84 | 0 | 13 | $3.16 |
| 15 | FIEDLER BUILDING COMPANY | 77 | 0 | 9 | $3.42 |
| 16 | SIX RIVERS SOLAR | 59 | 1 | 17 | $9.75 |
| 17 | LITTLE HOUSE | 51 | 0 | 13 | $8.40 |
| 18 | HODGES WESLEY | 45 | 0 | 12 | $4.24 |
| 19 | WILL POWER | 37 | 17 | 11 | $2.69 |
| 20 | STELLAR ENERGY SOLUTIONS | 36 | 0 | 1 | $7.88 |
| 21 | INNERLIGHT | 35 | 6 | 13 | $4.28 |
| 22 | TESLA | 35 | 0 | 10 | $6.92 |
| 23 | GREEN DAY ELECTRIC | 32 | 0 | 5 | $3.88 |
| 24 | BILL SHARP ELECTRIC | 32 | 0 | 1 | $2.29 |
| 25 | KATRI AND DART ELECTRIC | 32 | 12 | 6 | $3.04 |
Zip markets
Zips in Humboldt County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95519 | 966 | $3.96 | 52 A |
| 95521 | 943 | $3.97 | 49 B |
| 95503 | 870 | $4.05 | 40 C |
| 95501 | 634 | $4.16 | 49 B |
| 95540 | 453 | $3.89 | 42 C |
| 95570 | 216 | $4.18 | 40 C |
| 95524 | 171 | $4.13 | 40 C |
| 95525 | 119 | $3.86 | 41 C |
| 95551 | 116 | $4.14 | 39 C |
| 95573 | 95 | $4.12 | 39 C |
| 95546 | 83 | $4.41 | 38 D |
| 95536 | 75 | $4.19 | 39 C |
| 95549 | 73 | $3.60 | 42 C |
| 95547 | 68 | $4.00 | 40 C |
| 95562 | 61 | $4.02 | 40 C |
| 95560 | 52 | $3.65 | 42 C |
| 95518 | 52 | $3.80 | 41 C |
| 95556 | 47 | $5.35 | 33 D |
| 95542 | 47 | $4.67 | 37 D |
| 95528 | 35 | $4.04 | 40 C |
| 95565 | 18 | $5.09 | 35 D |
| 95558 | 18 | $3.65 | 41 C |
| 95589 | 16 | $3.94 | 40 C |
| 95553 | 16 | $3.27 | 43 C |
| 95526 | 13 | $3.04 | 44 C |
| 95564 | 11 | $1.85 | 48 B |
| 95555 | 10 | $3.48 | 42 C |
| 95554 | 7 | $3.86 | 40 C |
| 95569 | 5 | $3.55 | 42 C |
| 95511 | 5 | $5.28 | 34 D |
| 95571 | 5 | $4.04 | 39 C |
| 95537 | 3 | $2.89 | 45 C |
| 95550 | 3 | $3.08 | 44 C |
| 95559 | 3 | $5.48 | 33 F |
| 95514 | 3 | $3.64 | 41 C |
| 95502 | 1 | $5.45 | 33 F |