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Solar Installer GuildUnited States · independent

North Valley Solar Power

Solar energy company · Danville, CA

What the listing shows you

4.9★

22 Google reviews

What it doesn’t

0%

rated 1–2★

typical in California, 1%

Newest review held

Aug 2026

newest held review this month

Google's rating breakdown · all 21 reviews

Rated 1–2★
0%
typical in California, 1%
Posted an update
4 months ago
the company posting to its own Google profile
Replies to reviewers
30%
of the 20 reviews we hold

Its one and two star share is 1 point below the typical installer in California. Across California, 788 of the 1,529 installers whose breakdown Google has published carry a higher share than this one.

The percentages are Google’s own arithmetic over every review it holds, not a sample we assembled. Separately we hold 20 review texts for this company, quoted below. Google publishes review ages rather than dates, so every date here is approximate.

Every company we hold in California, on one axis

none

1–5%

6–10%

11–20%

over 20%

Every company we hold in California whose Google breakdown has been read, grouped by their share of one and two star reviews. North Valley Solar Power is in the highlighted group.

What reviewers said

  • 4★ · around July 2026

    Great company with a variety of services offered. Prices are reasonalble

  • 5★ · around April 2026

    If I were looking to upgrade my home to solar I will definitely be contacting you guys look like you do nice work and you have great accommodations for your customers the hours of operation are perfect.

  • 5★ · around April 2026

    I have tried many installations companies, I'll humbly say North Valley Solar Power is the best . I had my friends house set up and less than 2 hours.

Reviewer names are not published here. Negative reviews are shown first because they are the ones a listing hides, not because they are more representative.

What reviewers keep mentioning

  • savings 3
  • energy bill savings 3
  • solar installation 2
  • honest 2
  • solar power 2
  • electric 2
  • roof 2
  • communication 2

Topics Google derives from the review text, with how often each appears. A frequent topic is not a good one: “price” turns up in praise and in complaints alike.

When they say they are open

Sunday
Closed
Monday
7 AM to 10 PM
Tuesday
7 AM to 10 PM
Wednesday
7 AM to 10 PM
Thursday
7 AM to 10 PM
Friday
7 AM to 10 PM
Saturday
7 AM to 10 PM

As Google published them when we last read the listing, not a live check. Ring before you drive anywhere.

Who Google shows alongside them

Google’s own “people also viewed” set, in Google’s order. It is Google’s comparison, not ours.

Other installers around Martinez

1–2★3★4★5★gauge 0–20%typical here, 1%

Ordered by how much we can tell you about each, which is not an order of quality. We do not know which of these is better and would not say if we did.

What we don't know

  • The date above is the newest review we hold, which is not necessarily the newest that exists — we hold a large share of Google's reviews, not all of them.
  • We found nothing on a website for this company that states a warranty, a licence or how long it has traded.
  • We do not verify licences, insurance or bonding. Nothing here has been checked against a state licensing board.
  • We cannot tell you what an installation costs, and we hold nothing about the equipment they fit.

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