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Semper SolarisSolar installer in Hayward, CA

Semper Solaris is a solar installer at 2505 Amaral Ct, Hayward, CA 94544, ranked #3 of 300 solar installers in Hayward and rated 4.6 from 480 Google reviews. Open 7 days a week.

Hayward, CAUpdated 0 paid placements in any rankingHow we rank

Call (650) 203-2589Website ↗

Key facts

Key facts about Semper Solaris
Address2505 Amaral Ct, Hayward, CA 94544Get directions
Phone(650) 203-2589
Websitesempersolaris.com
HoursMonday to Saturday: 7 AM – midnight; Sunday: 9 AM – midnight
Google rating4.6 from 480 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Solarmain tradeGoogle main category
  • Roofingadditional Google category

Service area

Serves Hayward and 11 towns within 40 miles: Union City, Fairview, Newark, Fremont, Cherryland, San Lorenzo, Castro Valley, Ashland, Dublin, San Leandro and East Palo Alto.

Based in Hayward, CAView on map

Opening hours

Opening hours for Semper Solaris
DayHours
Monday7 AM – midnightevening
Tuesday7 AM – midnightevening
Wednesday7 AM – midnightevening
Thursday7 AM – midnightevening
Friday7 AM – midnightevening
Saturday7 AM – midnightevening
Sunday9 AM – midnightevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

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.

Compare nearby solar installers

Semper Solaris compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Semper Solaris (this business)—634.6 (480)—YesYes
Smart Solar Panel Cleaning Bay Area#1665.0 (418)—YesYes4.2 mi
EnergyAid#2634.8 (842)—YesNo8.6 mi
East Bay Solar Cleaning LLC#4615.0 (104)—YesYes19.8 mi

See all 300 ranked solar installers in Hayward

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.6from 480 Google reviews

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Questions about Semper Solaris

How is Semper Solaris ranked in Hayward?

Semper Solaris is ranked #3 of 300 solar installers in Hayward by CR Score, with 63 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Semper Solaris’ hours?

Semper Solaris is open 7 days a week. Its listed hours are Monday to Saturday, 7 AM – midnight; Sunday, 9 AM – midnight. On Saturdays it is open 7 AM to midnight, and on Sundays 9 AM to midnight. Hours come from the business listing; holiday hours may differ.

What areas does Semper Solaris serve?

Serves Hayward and 11 towns within 40 miles: Union City, Fairview, Newark, Fremont, Cherryland, San Lorenzo, Castro Valley, Ashland, Dublin, San Leandro and East Palo Alto. 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 Semper Solaris?

Semper Solaris has a rating of 4.6 from 480 Google reviews. 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 Semper Solaris?

Call Semper Solaris on (650) 203-2589. The business is at 2505 Amaral Ct, Hayward, CA 94544. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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