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Onyx General Contractors (O.G.C)General contractor in Westmont, IL

Onyx General Contractors (O.G.C) is a general contractor in Westmont, IL, rated 5.0 from 3 Google reviews. Open Monday to Friday.

Westmont, IL0 paid placements in any rankingHow we rank

Call (773) 930-7417Website ↗

Key facts

Key facts about Onyx General Contractors (O.G.C)
Phone(773) 930-7417
Websiteonyx-gc.com
HoursMonday to Friday: 8 AM – 5 PM
Google rating5.0 from 3 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Westmont and 12 towns within 25 miles: Burr Ridge, Darien, Lemont, Willowbrook, Willow Springs, Goodings Grove, Justice, Hickory Hills, Palos Hills, Countryside, Orland Park and Clarendon Hills.

Based in Westmont, ILView on map

Opening hours

Opening hours for Onyx General Contractors (O.G.C)
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • 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 × 0.95 East North Central factor (2025 Cost vs. Value Report)$13,850$25,610$39,490
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report)$6,340$11,580$16,830

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 3 Google reviews

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Questions about Onyx General Contractors (O.G.C)

What are Onyx General Contractors (O.G.C)’s hours?

Onyx General Contractors (O.G.C) is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Onyx General Contractors (O.G.C) serve?

Serves Westmont and 12 towns within 25 miles: Burr Ridge, Darien, Lemont, Willowbrook, Willow Springs, Goodings Grove, Justice, Hickory Hills, Palos Hills, Countryside, Orland Park and Clarendon Hills. 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 Onyx General Contractors (O.G.C)?

Onyx General Contractors (O.G.C) has a rating of 5.0 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 Onyx General Contractors (O.G.C)?

Call Onyx General Contractors (O.G.C) on (773) 930-7417. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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