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Core ConstructionGeneral contractor in Covina, CA

Core Construction is a general contractor at 19240 E Thelborn St, Covina, CA 91723, rated 1.0 from 1 Google review. Open Monday to Saturday.

Covina, CA0 paid placements in any rankingHow we rank

Call (818) 738-9485

Key facts

Key facts about Core Construction
Address19240 E Thelborn St, Covina, CA 91723Get directions
Phone(818) 738-9485
HoursMonday to Saturday: 8 AM – 8 PM
Google rating1.0 from 1 Google review

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category
  • Kitchen Remodeladditional Google category
  • Bathroom Remodeladditional Google category
  • Home Builderadditional Google category

Service area

Serves Covina and 11 towns within 25 miles: Charter Oak, Citrus, West Covina, Walnut, Glendora, Azusa, San Dimas, Valinda, South San Jose Hills, Baldwin Park and Diamond Bar.

Based in Covina, CAView on map

Opening hours

Opening hours for Core Construction
DayHours
Monday8 AM – 8 PMevening
Tuesday8 AM – 8 PMevening
Wednesday8 AM – 8 PMevening
Thursday8 AM – 8 PMevening
Friday8 AM – 8 PMevening
Saturday8 AM – 8 PMevening
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays — no

Typical general contracting prices

Typical general contracting prices
JobLowTypicalHigh
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.

Reviews

ContractorsRanked reviews

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Google

1.0from 1 Google reviews

Hired Core Construction? Write a review

Questions about Core Construction

What are Core Construction’s hours?

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

What areas does Core Construction serve?

Serves Covina and 11 towns within 25 miles: Charter Oak, Citrus, West Covina, Walnut, Glendora, Azusa, San Dimas, Valinda, South San Jose Hills, Baldwin Park and Diamond Bar. 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 Core Construction?

Core Construction has a rating of 1.0 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 Core Construction?

Call Core Construction on (818) 738-9485. The business is at 19240 E Thelborn St, Covina, CA 91723. Ask for a written estimate before any work starts.

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