PanelCensus

Sonomarin Solar

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Solar installer based in California · installer record #11826 resolved from 265 public installation records.

At a glance

Sonomarin Solar is a solar installer with 265 recorded installations totalling 1.9 MW, dated 2018 to 2025. All of its records are in California, where it ranks 772nd of 6,220 profiled installers by volume and 1,224th of 10,536 nationally. The median installed price across 250 priced systems is $3.91/W before incentives.

Recorded installs
265
Total capacity
1.9 MW
DC nameplate
Median system
7.5 kW
≈ $25,805
Median price
$3.91/W
pre-incentive · 250 priced
Third-party owned
0%
lease / PPA
Battery attach
39%
First recorded
2018
Last recorded
2025

Track record

Install volume by year

2018
8$2.40/W
2019
26$1.89/W
2020
15$2.97/W
2021
22$3.49/W
2022
39$4.05/W
2023
101$4.03/W
2024
38$4.86/W
2025
60$3.91/W

Bars: recorded installs · right column: this installer's median $/W that year.

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Dec 29, 2025San Rafael, CA4.4 kW$25,615Host-owned · battery
Dec 19, 2025San Anselmo, CA14.5 kW$29,675Host-owned · battery
Dec 15, 2025Corte Madera, CA3.1 kW$10,647Host-owned
Dec 2, 2025Yountville, CA——Host-owned · battery
Nov 26, 2025Kentfield, CA15 kW$29,950—
Nov 25, 2025Mill Valley, CA20.2 kW$29,900Host-owned · battery
Nov 25, 2025San Rafael, CA7.5 kW$29,954Host-owned · battery
Nov 23, 2025San Rafael, CA5.3 kW$24,975Host-owned · battery
Nov 20, 2025San Rafael, CA6.2 kW$25,473Host-owned · battery
Nov 19, 2025San Rafael, CA4.6 kW$23,979Host-owned · battery

See all 265 installations →searchable & filterable; export to CSV with a free account

Service geography

California
309

Busiest cities

San Rafael, CA 86San Anselmo, CA 25Mill Valley, CA 22Novato, CA 21Petaluma, CA 19Sonoma, CA 19Kentfield, CA 13Tiburon, CA 12

Record

Installer ID
PC-11826
First recorded install
Mar 7, 2018
Last recorded install
Dec 29, 2025
Priced records
250

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How does Sonomarin Solar compare with other installers in California?

By recorded installations Sonomarin Solar ranks 772nd among the 6,220 installers based in California with five or more records. Its median price of $3.91/W is roughly in line with the California median of $4.26/W. Its median system, 7.5 kW, is about 26% 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. 39% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Sustainable Energy Solar (266), Infinite Energy (265) and Marin Solar (265).

How has Sonomarin Solar's installation volume changed?

Sonomarin Solar's earliest dated installation on record is from 2018. It has recorded installations in 8 calendar years. The busiest year was 2023, with 101 installations. 2025, its latest year with records, has 60. Its median price per watt moved from $2.40/W in 2018 to $3.91/W in 2025. The most recent recorded installation is dated Dec 29, 2025.

Where does Sonomarin Solar install solar?

All recorded installations are in California. The cities with the most of its installations are San Rafael, CA (86), San Anselmo, CA (25), Mill Valley, CA (22), Novato, CA (21) and Petaluma, CA (19).

Frequently asked questions

How many solar installations has Sonomarin Solar completed?

PanelCensus records 265 installations by Sonomarin Solar, from Mar 7, 2018 to Dec 29, 2025, totalling 1.9 MW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Sonomarin Solar charge for solar?

The median installed price across 250 priced systems is $3.91/W before incentives (median system 7.5 kW, about $25,805). The California median is $4.26/W.

Where does Sonomarin Solar install solar?

All 265 recorded installations are in California, the most of them in San Rafael.

Is Sonomarin Solar still installing solar?

The most recent installation attributed to Sonomarin Solar in the public records is dated Dec 29, 2025; 2025 has 60 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Sonomarin Solar install leased or PPA solar systems?

0 recorded installations by Sonomarin Solar (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does Sonomarin Solar install battery storage?

104 recorded installations by Sonomarin Solar (39%) 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, “Sonomarin Solar, solar installer (California)”, https://panelcensus.com/installers/california/sonomarin-solar-11826 (data as of September 21, 2026).