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Diamondstar Floor PolishersConcrete contractor in Castro Valley, CA

Diamondstar Floor Polishers is a concrete contractor in Castro Valley, CA, ranked #40 of 308 concrete contractors in Castro Valley and rated 4.8 from 4 Google reviews. Open Monday to Saturday.

Castro Valley, CAUpdated 0 paid placements in any rankingHow we rank

Call (510) 314-9236

Key facts

Key facts about Diamondstar Floor Polishers
Phone(510) 314-9236
HoursMonday to Saturday: 8 AM – 6 PM
Google rating4.8 from 4 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Concretemain tradeGoogle main category
  • Flooringbusiness name

Service area

Serves Castro Valley and 11 towns within 25 miles: Blackhawk, San Ramon, Danville, Dublin, Pleasanton, Alamo, Livermore, Clayton, Fairview, Saranap and Walnut Creek.

Based in Castro Valley, CAView on map

Opening hours

Opening hours for Diamondstar Floor Polishers
DayHours
Monday8 AM – 6 PM
Tuesday8 AM – 6 PM
Wednesday8 AM – 6 PM
Thursday8 AM – 6 PM
Friday8 AM – 6 PM
Saturday8 AM – 6 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical concrete work prices

Typical concrete work prices
JobLowTypicalHigh
Concrete drivewayPer driveway: typical range of customer-reported projects (about $8 to $20 per sq ft). US national range$2,700$6,400$14,500

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

Compare nearby concrete contractors

Diamondstar Floor Polishers compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Diamondstar Floor Polishers (this business)—554.8 (4)—YesNo
Asphalt Paving Berkeley#39555.0 (13)—YesYes23.4 mi
Cardona Construction#41555.0 (34)—NoNo20.5 mi

See all 308 ranked concrete contractors in Castro Valley

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.8from 4 Google reviews

Hired Diamondstar Floor Polishers? Write a review

Questions about Diamondstar Floor Polishers

How is Diamondstar Floor Polishers ranked in Castro Valley?

Diamondstar Floor Polishers is ranked #40 of 308 concrete contractors in Castro Valley by CR Score, with 55 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 Diamondstar Floor Polishers’ hours?

Diamondstar Floor Polishers is open Monday to Saturday. Its listed hours are Monday to Saturday, 8 AM – 6 PM. On Saturdays it is open 8 AM to 6 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Diamondstar Floor Polishers serve?

Serves Castro Valley and 11 towns within 25 miles: Blackhawk, San Ramon, Danville, Dublin, Pleasanton, Alamo, Livermore, Clayton, Fairview, Saranap and Walnut Creek. The list is based on the business's location and the usual service radius for concrete work. Confirm your address is covered when you call.

What do Google reviews say about Diamondstar Floor Polishers?

Diamondstar Floor Polishers has a rating of 4.8 from 4 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.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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