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24 contractors listed · 11 in Simi Valley · 12 open weekends · 23 rated 4.5+ · 6 show a license
Data verified October 18, 2026
The 24 contractors listed for Simi Valley, CA design and install rooftop solar and battery systems. Each entry repeats what the company publishes about certifications, the equipment it fits and its hours, together with star ratings and comments drawn from public reviews.
11 of the 24 contractors we list are based in Simi Valley; the other 13 serve Simi Valley from towns including Northridge (11 mi), Valley Village (21 mi) and Moorpark (8 mi). The contractors on this page are rated from 4.0 to 5.0 across 1,478 reviews; 8 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (97%), responsiveness (92%) and quality (83%). The topics that come up most in reviews of the contractors on this page are "price", "communication" and "crew". 11 are open on Saturdays and 8 on Sundays. 6 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 14 websites of the contractors on this page at ten or more years old; the oldest dates from 1999. 6 offer financing or payment plans; 8 give free estimates; 3 are family- or locally-owned and 3 list coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Weekend hours appear for 12 of the 24 contractors here, which is often when a roof survey is easiest to arrange around work. The survey itself wants daylight and dry weather, since someone has to get onto the roof or fly a drone over it to check the covering and measure shading.
