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Cosmos RoofingRoofer in Atherton, CA

Cosmos Roofing is a roofer in Atherton, CA, rated 4.8 from 25 Google reviews. Open Monday to Saturday.

Atherton, CA0 paid placements in any rankingHow we rank

Call (650) 969-7663Website ↗

Key facts

Key facts about Cosmos Roofing
Phone(650) 969-7663
Websitecosmosroofing.com
HoursMonday to Saturday: 8 AM – 5 PM
Google rating4.8 from 25 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Roofingmain tradeGoogle main category

Service area

Serves Atherton and 12 towns within 40 miles: Milpitas, East Foothills, Alum Rock, Fremont, Santa Clara, San Jose, Newark, Sunnyvale, Mountain View, Union City, Cupertino and Communications Hill.

Based in Atherton, CAView on map

Opening hours

Opening hours for Cosmos Roofing
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
Saturday8 AM – 5 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical roofing prices

Typical roofing prices
JobLowTypicalHigh
Roof replacementPer project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.14 Pacific factor (2025 Cost vs. Value Report)$8,560$11,420$15,990
Roof repairPer repair: typical range of customer-reported jobs. US national range$395$1,174$1,968

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

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.8from 25 Google reviews

Hired Cosmos Roofing? Write a review

Questions about Cosmos Roofing

What are Cosmos Roofing’s hours?

Cosmos Roofing is open Monday to Saturday. Its listed hours are Monday to Saturday, 8 AM – 5 PM. On Saturdays it is open 8 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Cosmos Roofing serve?

Serves Atherton and 12 towns within 40 miles: Milpitas, East Foothills, Alum Rock, Fremont, Santa Clara, San Jose, Newark, Sunnyvale, Mountain View, Union City, Cupertino and Communications Hill. The list is based on the business's location and the usual service radius for roofing. Confirm your address is covered when you call.

What do Google reviews say about Cosmos Roofing?

Cosmos Roofing has a rating of 4.8 from 25 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 Cosmos Roofing?

Call Cosmos Roofing on (650) 969-7663. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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