Alco Building Solutions
Recently activeSolar installer based in California · installer record #570 resolved from 34 public installation records.
At a glance
Alco Building Solutions is a solar installer with 34 recorded installations totalling 277 kW, dated 2022 to 2025. All of its records are in California, where it ranks 2400th of 6,010 profiled installers by volume and 4,032nd of 10,537 nationally.
Track record
Install volume by year
Recorded installs per year.
Latest records
Most recent recorded installs
| Date | Location | Size | Price | Ownership |
|---|---|---|---|---|
| Jul 14, 2025 | San Jose, CA | 139.9 kW | $558,720 | Host-owned |
| Feb 24, 2025 | San Rafael, CA | — | — | Host-owned · battery |
| Feb 3, 2025 | Richmond, CA | 6.5 kW | $30,000 | Host-owned · battery |
| Jan 14, 2025 | Stinson Beach, CA | 7.7 kW | $0 | Host-owned · battery |
| Dec 23, 2024 | Richmond, CA | 7.1 kW | $30,000 | Host-owned · battery |
| Dec 3, 2024 | Mill Valley, CA | 3.9 kW | $0 | Host-owned · battery |
| Oct 23, 2024 | Point Reyes Station, CA | 11.2 kW | $0 | Host-owned · battery |
| Oct 17, 2024 | Petaluma, CA | — | — | Host-owned · battery |
| Oct 17, 2024 | San Rafael, CA | 5.5 kW | — | Host-owned · battery |
| Aug 1, 2024 | Stinson Beach, CA | — | — | Host-owned · battery |
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Service geography
Busiest cities
Record
- Installer ID
- PC-570
- First recorded install
- May 10, 2022
- Last recorded install
- Jul 14, 2025
- Priced records
- 4
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How does Alco Building Solutions compare with other installers in California?
By recorded installations Alco Building Solutions ranks 2400th among the 6,010 installers based in California with five or more records. Its median system, 7.2 kW, is about 21% above 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. 85% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include OC BUILDER ONE (35), Rw Solar (35) and Abcsage (34).
How has Alco Building Solutions's installation volume changed?
Alco Building Solutions's earliest dated installation on record is from 2022. It has recorded installations in 4 calendar years. The busiest year was 2023, with 15 installations. 2025, its latest year with records, has 4. Its median price per watt moved from $4.86/W in 2023 to $4.30/W in 2025. The most recent recorded installation is dated Jul 14, 2025.
Where does Alco Building Solutions install solar?
All recorded installations are in California. The cities with the most of its installations are San Rafael, CA (6), Mill Valley, CA (3), Richmond, CA (3), Stinson Beach, CA (2) and Napa, CA (2).
Frequently asked questions
How many solar installations has Alco Building Solutions completed?
PanelCensus records 34 installations by Alco Building Solutions, from May 10, 2022 to Jul 14, 2025, totalling 277 kW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Alco Building Solutions charge for solar?
The median installed price across 4 priced systems from all years is $4.41/W before incentives (median system 7.2 kW, about $36,000). 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 Alco Building Solutions install solar?
All 34 recorded installations are in California, the most of them in San Rafael.
Is Alco Building Solutions still installing solar?
The most recent installation attributed to Alco Building Solutions in the public records is dated Jul 14, 2025; 2025 has 4 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does Alco Building Solutions install leased or PPA solar systems?
0 recorded installations by Alco Building Solutions (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Alco Building Solutions install battery storage?
29 recorded installations by Alco Building Solutions (85%) include a battery.
Related installers and places
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, “Alco Building Solutions, solar installer (California)”, https://panelcensus.com/installers/california/alco-building-solutions-570 (data as of September 21, 2026).