The median installed solar price in Norwalk, CA was $3.09 per watt across 45 residential installations in the 12 months to September 2026, a small sample.
Half of the residential solar installations in Norwalk in the 12 months to September 2026 cost between $2.65 and $3.60 per watt for the solar array.
Solar quotes submitted to Norwalk homeowners through online marketplaces had a median asking price of $2.52 per watt as of September 2026, $0.57 per watt below what Norwalk homeowners actually paid.
$3.09/WMedian installed price, Norwalk45 quotes, last 12 months · small sample
$2.65–$3.60Typical installed range ($/W)middle 50%
$2.52/WMarketplace quote benchmark, Norwalkas of September 2026
Installed prices are what homeowners paid for the solar array on residential installations from the last 12 months (cash and loan purchases; leases and PPAs excluded). With only 45 recent Norwalk installations, treat the city figure as a guide; California statewide is $2.85/W across 41,848. The marketplace benchmark is the median of quotes installers submitted to homeowners through online solar marketplaces — an asking price, before negotiation. See California pricing in detail →
Solar installers in and around Norwalk
The 3 based in Norwalk come first, ranked by tracked installations, then rating; the rest are the nearest of the 172 within 15 miles. Every profile shows real pricing, reviews and contact details.
Companies headquartered in Norwalk are listed first, ordered by the number of installations we have on record for them, then by customer rating. The remaining slots go to the nearest companies within 15 miles, closest first. Paid installer memberships do not affect the order.
The installation records come from public utility and state solar program filings and from quotes homeowners upload to AgentSolar. We match each record to the installer named on it, so a company's count reflects work we can actually attribute to them, not a claim on their website.
Equipment brands Norwalk installers carry
Owens Corning 3
GAF 2
Anlin 1
APOC 1
Axia 1
CertainTeed 1
Daikin 1
Doosan Fuel Cell 1
Dunn Edwards 1
Eagle 1
ENERGY STAR 1
Enphase 1
Solar in Norwalk: common questions
How much does solar cost in Norwalk, CA?
Across 45 residential installations in Norwalk from the last 12 months, the median price paid for the solar array was $3.09 per watt, with most between $2.65 and $3.60/W. These are cash and loan purchases; leases and PPAs are excluded. That is a small sample, so treat it as a guide; across California the median is $2.85 per watt from 41,848 installations. Quotes submitted to Norwalk homeowners through online solar marketplaces run a median of $2.52 per watt as of September 2026 — an asking price, before negotiation.
Who are the most active solar installers in Norwalk?
Among installers serving Norwalk with at least 10 customer reviews and solar installations on record, the highest rated are CSI Electrical Contractors, Inc. (4.6 from 45 reviews), Evolution Solar Energy (4.5 from 52 reviews) and Better Earth (4.1 from 1,105 reviews). Ratings are each company's overall customer rating across all of its work, not solar alone. Paid installer memberships do not affect this list.
Have a quote already? Upload it and see how it stacks up against 45 real Norwalk installations — price, equipment and the fine print. No quote yet? We'll request them from vetted installers for you.