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Keystone ConstructionsGeneral contractor in El Monte, CA

Keystone Constructions is a general contractor at 5207 Peck Rd, El Monte, CA 91732, rated 5.0 from 2 Google reviews. Open 7 days a week.

El Monte, CA0 paid placements in any rankingHow we rank

Call (626) 239-8488

Key facts

Key facts about Keystone Constructions
Address5207 Peck Rd, El Monte, CA 91732Get directions
Phone(626) 239-8488
HoursMonday to Friday: 7 AM – 8 PM; Saturday: 8 AM – 8 PM; Sunday: 7 AM – 8 PM
Google rating5.0 from 2 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves El Monte and 11 towns within 25 miles: Mayflower Village, Temple City, Baldwin Park, Arcadia, Duarte, Monrovia, Rosemead, South El Monte, West Puente Valley, Avocado Heights and East Pasadena.

Based in El Monte, CAView on map

Opening hours

Opening hours for Keystone Constructions
DayHours
Monday7 AM – 8 PMevening
Tuesday7 AM – 8 PMevening
Wednesday7 AM – 8 PMevening
Thursday7 AM – 8 PMevening
Friday7 AM – 8 PMevening
Saturday8 AM – 8 PMevening
Sunday7 AM – 8 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

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

No ContractorsRanked reviews yet

Google

5.0from 2 Google reviews

Hired Keystone Constructions? Write a review

Questions about Keystone Constructions

What are Keystone Constructions’ hours?

Keystone Constructions is open 7 days a week. Its listed hours are Monday to Friday, 7 AM – 8 PM; Saturday, 8 AM – 8 PM; Sunday, 7 AM – 8 PM. On Saturdays it is open 8 AM to 8 PM, and on Sundays 7 AM to 8 PM. Hours come from the business listing; holiday hours may differ.

What areas does Keystone Constructions serve?

Serves El Monte and 11 towns within 25 miles: Mayflower Village, Temple City, Baldwin Park, Arcadia, Duarte, Monrovia, Rosemead, South El Monte, West Puente Valley, Avocado Heights and East Pasadena. 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 Keystone Constructions?

Keystone Constructions has a rating of 5.0 from 2 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 Keystone Constructions?

Call Keystone Constructions on (626) 239-8488. The business is at 5207 Peck Rd, El Monte, CA 91732. Ask for a written estimate before any work starts.

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