Skip to content
ContractorsRanked

Alliant ConstructionGeneral contractor in Diamond Bar, CA

Alliant Construction is a general contractor at 556 N Diamond Bar Blvd STE 200, Diamond Bar, CA 91765. Open 24 hours a day, 7 days a week.

Diamond Bar, CA0 paid placements in any rankingHow we rank

Call (909) 396-6800Website ↗

Key facts

Key facts about Alliant Construction
Address556 N Diamond Bar Blvd STE 200, Diamond Bar, CA 91765Get directions
Phone(909) 396-6800
Websitealliant-construction.com
HoursOpen 24 hours, 7 days a week

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Diamond Bar and 11 towns within 25 miles: Walnut, Pomona, Chino Hills, San Dimas, La Verne, Charter Oak, South San Jose Hills, Covina, Rowland Heights, Claremont and Chino.

Based in Diamond Bar, CAView on map

Opening hours

Opening hours for Alliant Construction
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

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

No Google rating on file

Hired Alliant Construction? Write a review

Questions about Alliant Construction

What are Alliant Construction’s hours?

Alliant Construction is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Alliant Construction serve?

Serves Diamond Bar and 11 towns within 25 miles: Walnut, Pomona, Chino Hills, San Dimas, La Verne, Charter Oak, South San Jose Hills, Covina, Rowland Heights, Claremont and Chino. 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.

How do I contact Alliant Construction?

Call Alliant Construction on (909) 396-6800. The business is at 556 N Diamond Bar Blvd STE 200, Diamond Bar, CA 91765. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Alliant Construction? Claim this profile.

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

Claim this profile