Ongaro Sons
Recently activeSolar installer based in California · installer record #70107 resolved from 48 public installation records.
At a glance
Ongaro Sons is a solar installer with 48 recorded installations totalling 296 kW, dated 2024 to 2025. All of its records are in California, where it ranks 2120th of 6,220 profiled installers by volume and 3,511th of 10,536 nationally. The median installed price across 45 priced systems is $6.73/W before incentives.
Track record
Install volume by year
Bars: recorded installs · right column: this installer's median $/W that year.
Latest records
Most recent recorded installs
| Date | Location | Size | Price | Ownership |
|---|---|---|---|---|
| Dec 29, 2025 | San Rafael, CA | 8.4 kW | $36,679 | Host-owned · battery |
| Dec 23, 2025 | San Anselmo, CA | 4 kW | $36,262 | Host-owned · battery |
| Dec 15, 2025 | Petaluma, CA | 8.2 kW | $42,505 | Host-owned |
| Dec 4, 2025 | Tiburon, CA | 14.2 kW | $35,000 | Host-owned · battery |
| Dec 2, 2025 | Sonoma, CA | 9.9 kW | $23,000 | Host-owned · battery |
| Nov 24, 2025 | Novato, CA | 6 kW | $43,436 | Host-owned · battery |
| Nov 10, 2025 | Petaluma, CA | 4.2 kW | $22,267 | Host-owned |
| Sep 10, 2025 | Mill Valley, CA | 6.5 kW | $50,901 | Host-owned · battery |
| Sep 7, 2025 | San Anselmo, CA | 7.6 kW | $45,928 | Host-owned · battery |
| Sep 7, 2025 | San Anselmo, CA | 6.9 kW | $39,650 | Host-owned · battery |
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Service geography
Busiest cities
Record
- Installer ID
- PC-70107
- First recorded install
- Jun 4, 2024
- Last recorded install
- Dec 29, 2025
- Priced records
- 45
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How does Ongaro Sons compare with other installers in California?
By recorded installations Ongaro Sons ranks 2120th among the 6,220 installers based in California with five or more records. Its median price of $6.73/W is about 58% above the California median of $4.26/W. Its median system, 5.9 kW, is roughly in line with 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. 94% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include West Valley Solar Electric (48), Keith Nguyen (48) and SIGORA SOLAR CALIFORNIA LLC (48).
How has Ongaro Sons's installation volume changed?
Ongaro Sons's earliest dated installation on record is from 2024. It has recorded installations in 2 calendar years. The busiest year was 2025, with 33 installations. Its median price per watt moved from $6.68/W in 2024 to $6.81/W in 2025. The most recent recorded installation is dated Dec 29, 2025.
Where does Ongaro Sons install solar?
All recorded installations are in California. The cities with the most of its installations are Santa Rosa, CA (9), Petaluma, CA (5), San Rafael, CA (5), San Anselmo, CA (4) and Mill Valley, CA (3).
Frequently asked questions
How many solar installations has Ongaro Sons completed?
PanelCensus records 48 installations by Ongaro Sons, from Jun 4, 2024 to Dec 29, 2025, totalling 296 kW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Ongaro Sons charge for solar?
The median installed price across 45 priced systems is $6.73/W before incentives (median system 5.9 kW, about $39,650). The California median is $4.26/W.
Where does Ongaro Sons install solar?
All 48 recorded installations are in California, the most of them in Santa Rosa.
Is Ongaro Sons still installing solar?
The most recent installation attributed to Ongaro Sons in the public records is dated Dec 29, 2025; 2025 has 33 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does Ongaro Sons install leased or PPA solar systems?
0 recorded installations by Ongaro Sons (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Ongaro Sons install battery storage?
45 recorded installations by Ongaro Sons (94%) include a battery.
Related installers and places
- All solar installers in California· 6,220 profiles
- Solar installations in California· 2,413,021 records
- West Valley Solar Electric· 48 installations
- Keith Nguyen· 48 installations
- SIGORA SOLAR CALIFORNIA LLC· 48 installations
- Aardema Electric Construction Cor· 47 installations
- Acro Electric Thru Home Depot· 47 installations
- Amn Solar· 47 installations
Dataset updated . Sources: LBNL Tracking the Sun + permit and program records; installer resolved by exact-normalized name matching.
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, “Ongaro Sons, solar installer (California)”, https://panelcensus.com/installers/california/ongaro-sons-70107 (data as of September 21, 2026).