Solar installer

Marks Solar

Name: Marks Solar
Address: Durham, CA, 95938, US
Telephone: (530) 680-7331

Based at Durham, CA 95938. Installed solar on 19 homes since 2023 in California. Installing since 2016. Latest install on record: August 2026.

(530) 680-7331

Homes since 2023: 19
Median price: $3.35/W
Typical system: 5.4 kW
Leased or PPA: 0%

Price

Homes that bought their system from Marks Solar paid a median $3.35/W installed, and the middle half paid $3.20/W–$3.35/W (19 systems since 2023, before incentives). That's $0.72 a watt below the California median of $4.07/W.

Where it installs

Counties with homes it installed since 2023, busiest first.

Butte County, CA · 19

By state

State	Homes	Median
California	19	$3.35/W

Homes installed since 2023.

Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.