Coster ConstructionGeneral contractor in Oakley, CA
Coster Construction is a general contractor at 5543 Sandmound Blvd, Bethel Island, CA 94511, rated 5.0 from 1 Google review. Open Monday to Saturday.
Oakley, CA0 paid placements in any rankingHow we rank
Key facts
| Address | 5543 Sandmound Blvd, Bethel Island, CA 94511, Oakley, CAGet directions |
|---|---|
| Phone | (925) 684-0505 |
| Website | contractors-near-me.net |
| Hours | Monday to Friday: 8 AM – 6 PM; Saturday: 8 AM – 4 PM |
| Google rating | 5.0 from 1 Google review |
Trades
Each trade shows the evidence we matched it on.
- General Contractingmain tradeGoogle main category
Service area
Serves Oakley and 11 towns within 25 miles: Brentwood, Discovery Bay, Antioch, Rio Vista, Pittsburg, Country Club, Mountain House, Clayton, Bay Point, Stockton and Blackhawk.
Based in Oakley, CAView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 6 PM |
| Tuesday | 8 AM – 6 PM |
| Wednesday | 8 AM – 6 PM |
| Thursday | 8 AM – 6 PM |
| Friday | 8 AM – 6 PM |
| Saturday | 8 AM – 4 PM |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays
- Open Sundays — no
Typical general contracting prices
| Job | Low | Typical | High |
|---|---|---|---|
| Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.04 Pacific factor (2025 Cost vs. Value Report) | $15,240 | $28,190 | $43,470 |
| Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 1.06 Pacific factor (2025 Cost vs. Value Report) | $7,050 | $12,880 | $18,720 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Questions about Coster Construction
What are Coster Construction’s hours?
Coster Construction is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 6 PM; Saturday, 8 AM – 4 PM. On Saturdays it is open 8 AM to 4 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What areas does Coster Construction serve?
Serves Oakley and 11 towns within 25 miles: Brentwood, Discovery Bay, Antioch, Rio Vista, Pittsburg, Country Club, Mountain House, Clayton, Bay Point, Stockton and Blackhawk. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.
What do Google reviews say about Coster Construction?
Coster Construction 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 Coster Construction?
Call Coster Construction on (925) 684-0505. The business is at 5543 Sandmound Blvd, Bethel Island, CA 94511, Oakley, CA. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
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