Solar installer

South West Development

Name: South West Development
Address: Chatsworth, CA, 91311, US
Telephone: (818) 859-5348

Based at Chatsworth, CA 91311. Installed solar on 20 homes since 2023 in California. Installing since 2020. Latest install on record: November 2023.

(818) 859-5348

Homes since 2023: 20
Median price: $10.55/W
Typical system: 5.1 kW
Leased or PPA: 0%

Price

Homes that bought their system from South West Development paid a median $10.55/W installed, and the middle half paid $7.80/W–$13.49/W (18 systems since 2023, before incentives). That's $6.48 a watt above the California median of $4.07/W.

Where it installs

Counties with homes it installed since 2023, busiest first.

Los Angeles County, CA · 11 San Bernardino County, CA · 4 Ventura County, CA · 3 Orange County, CA · 2

By state

State	Homes	Median
California	20	$10.55/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.