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4 Eighty SolarSolar installer in Alameda, CA

4 Eighty Solar is a solar installer in Alameda, CA, rated 5.0 from 1 Google review. Open Monday to Friday.

Alameda, CA0 paid placements in any rankingHow we rank

Call (510) 953-5883Website ↗

Key facts

Key facts about 4 Eighty Solar
Phone(510) 953-5883
Website4eightysolar.com
HoursMonday to Friday: 9 AM – 5 PM
Google rating5.0 from 1 Google review

Trades

Each trade shows the evidence we matched it on.

  • Solarmain tradeGoogle main category

Service area

Serves Alameda and 11 towns within 40 miles: Oakland, Piedmont, San Leandro, Emeryville, Moraga, Ashland, Berkeley, San Lorenzo, Orinda, Cherryland and Castro Valley.

Based in Alameda, CAView on map

Opening hours

Opening hours for 4 Eighty Solar
DayHours
Monday9 AM – 5 PM
Tuesday9 AM – 5 PM
Wednesday9 AM – 5 PM
Thursday9 AM – 5 PM
Friday9 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical solar installation prices

Typical solar installation prices
JobLowTypicalHigh
Solar panel installationPer system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report)$29,770$33,680$36,640

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

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Google

5.0from 1 Google reviews

Hired 4 Eighty Solar? Write a review

Questions about 4 Eighty Solar

What are 4 Eighty Solar’s hours?

4 Eighty Solar is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does 4 Eighty Solar serve?

Serves Alameda and 11 towns within 40 miles: Oakland, Piedmont, San Leandro, Emeryville, Moraga, Ashland, Berkeley, San Lorenzo, Orinda, Cherryland and Castro Valley. The list is based on the business's location and the usual service radius for solar installation. Confirm your address is covered when you call.

What do Google reviews say about 4 Eighty Solar?

4 Eighty Solar has a rating of 5.0 from 1 Google review. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact 4 Eighty Solar?

Call 4 Eighty Solar on (510) 953-5883. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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