Diablo Valley Builders
Recently activeSolar installer based in California · installer record #3569 resolved from 5 public installation records.
Data through: California through Aug 2026 (monthly state program data).
At a glance
Diablo Valley Builders is a solar installer with 5 recorded installations totalling 23 kW, dated 2009 to 2025. All of its records are in California, where it ranks 5688th of 6,163 profiled installers by volume and 9,963rd of 10,840 nationally.
Track record
Install volume by year
Recorded installs per year.
Equipment
Module, inverter and battery brands
Latest records
Most recent recorded installs
| Date | Location | Size | Price | Ownership |
|---|---|---|---|---|
| Mar 10, 2025 | San Luis Obispo, CA | 4.1 kW | $13,100 | Host-owned |
| Apr 27, 2020 | San Luis Obispo, CA | 3 kW | $4,700 | Host-owned |
| Apr 21, 2016 | Santa Margarita, CA | 4.4 kW | $15,000 | Host-owned |
| Sep 8, 2010 | Lake Almanor, CA | 9.2 kW | $44,100 | Host-owned |
| Aug 4, 2009 | Venice, CA | 2.8 kW | — | Host-owned |
Service geography
Busiest cities
Record
- Installer ID
- PC-3569
- First recorded install
- Aug 4, 2009
- Last recorded install
- Mar 10, 2025
- Priced records
- 4
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How does Diablo Valley Builders compare with other installers in California?
By recorded installations Diablo Valley Builders ranks 5688th among the 6,163 installers based in California with five or more records. Its median system, 4.1 kW, is about 31% below the state median of 5.9 kW. 0% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 0% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Davidsons Electric (5), Davis Myles Electric (5) and Del Solar (5).
How has Diablo Valley Builders's installation volume changed?
Diablo Valley Builders's earliest dated installation on record is from 2009. It has recorded installations in 5 calendar years. The busiest year was 2009, with 1 installation. 2025, its latest year with records, has 1. Its median price per watt moved from $4.81/W in 2010 to $3.23/W in 2025. The most recent recorded installation is dated Mar 10, 2025.
Where does Diablo Valley Builders install solar?
All recorded installations are in California. The cities with the most of its installations are San Luis Obispo, CA (2), Lake Almanor, CA (1), Santa Margarita, CA (1) and Venice, CA (1).
Frequently asked questions
How many solar installations has Diablo Valley Builders completed?
PanelCensus records 5 installations by Diablo Valley Builders, from Aug 4, 2009 to Mar 10, 2025, totalling 23 kW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Diablo Valley Builders charge for solar?
The median installed price across 4 priced systems from all years is $3.32/W before incentives (median system 4.1 kW, about $14,050). The California median is $4.26/W. Prices are the total project cost reported to state programs, so they can include work billed with the solar.
Where does Diablo Valley Builders install solar?
All 5 recorded installations are in California, the most of them in San Luis Obispo.
Is Diablo Valley Builders still installing solar?
The most recent installation attributed to Diablo Valley Builders in the public records is dated Mar 10, 2025; 2025 has 1 recorded installation. Records here run California through Aug 2026 (monthly state program data), so the newest installations may not appear yet.
Does Diablo Valley Builders install leased or PPA solar systems?
0 recorded installations by Diablo Valley Builders (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Diablo Valley Builders install battery storage?
0 recorded installations by Diablo Valley Builders (0%) include a battery.
Related installers and places
- All solar installers in California· 6,163 profiles
- Solar installations in California· 2,408,542 records
- Davidsons Electric· 5 installations
- Davis Myles Electric· 5 installations
- Del Solar· 5 installations
- Diversified Building Electric· 5 installations
- Djs Electric· 5 installations
- Dna Electric· 5 installations
Dataset updated . Sources: LBNL Tracking the Sun (through 2025), monthly state program records (California DGStats, NYSERDA, NJ Clean Energy, Illinois Shines) and permit records; installer resolved by exact-normalized name matching and, for state program records, by the systems both sources share.
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published September 21, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Diablo Valley Builders, solar installer (California)”, https://panelcensus.com/installers/california/diablo-valley-builders-3569 (data as of September 21, 2026).