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Colossal BuildersGeneral contractor in Chatsworth, CA

Colossal Builders is a general contractor at 21354 Nordhoff St #101, Chatsworth, CA 91311, rated 3.7 from 3 Google reviews. Open Monday to Saturday.

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Call (818) 334-5758Website ↗

Key facts

Key facts about Colossal Builders
Address21354 Nordhoff St #101, Chatsworth, CA 91311Get directions
Phone(818) 334-5758
Websitecolossalbuilders.com
HoursMonday to Friday: 8 AM – 8 PM; Saturday: 9 AM – 5 PM
Google rating3.7 from 3 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradebusiness name
  • Kitchen Remodeladditional Google category
  • Bathroom Remodeladditional Google category
  • Concreteadditional Google category

Service area

Serves Chatsworth and 11 towns within 25 miles: Canoga Park, Northridge, West Hills, Woodland Hills, Calabasas, North Hills, Encino, Valley Glen, Van Nuys, San Fernando and Topanga.

Based in Chatsworth, CAView on map

Opening hours

Opening hours for Colossal Builders
DayHours
Monday8 AM – 8 PMevening
Tuesday8 AM – 8 PMevening
Wednesday8 AM – 8 PMevening
Thursday8 AM – 8 PMevening
Friday8 AM – 8 PMevening
Saturday9 AM – 5 PM
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

3.7from 3 Google reviews

Hired Colossal Builders? Write a review

Questions about Colossal Builders

What are Colossal Builders’ hours?

Colossal Builders is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 8 PM; Saturday, 9 AM – 5 PM. On Saturdays it is open 9 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Colossal Builders serve?

Serves Chatsworth and 11 towns within 25 miles: Canoga Park, Northridge, West Hills, Woodland Hills, Calabasas, North Hills, Encino, Valley Glen, Van Nuys, San Fernando and Topanga. 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 Colossal Builders?

Colossal Builders has a rating of 3.7 from 3 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 Colossal Builders?

Call Colossal Builders on (818) 334-5758. The business is at 21354 Nordhoff St #101, Chatsworth, CA 91311. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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