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Construction & Building in California

Construction & Building Businesses for Salein ONTARIO, California

908 acquisition-ready construction & building companies in ONTARIO. Average owner tenure of 11 years, a strong signal of succession readiness.

908+
Companies
11 yrs
Avg Tenure
60.3/100
Avg Fit Score

Top Construction & Building Targets in ONTARIO

Contact locked

GREGG ELECTRIC INC

75/100
65 yrs in business$4.9M-$7.4M est. revenue4.0

MAGNISON AND MOEN INC

75/100
56 yrs in business$10.4M-$15.6M est. revenue4.0

THEILACKER RUDOLF CARL CONTRACTOR

75/100
54 yrs in business$12.3M-$18.5M est. revenue4.0

DEKOKER JAMES ELECTRICAL CONTRACTOR

75/100
52 yrs in business$11.8M-$17.7M est. revenue4.0
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FULLMER CONSTRUCTION

75/100
51 yrs in business$4.2M-$6.3M est. revenue4.0
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C P CONSTRUCTION CO INC

75/100
51 yrs in business$9.9M-$14.8M est. revenue4.0

Get access to all 908 construction & building companies in ONTARIO

Full contact details, owner names, and AI scores. Free for buyers.

Frequently Asked Questions

How many Construction & Building businesses are for sale in ONTARIO?

Serava.AI has mapped 908 acquisition-ready construction & building businesses in ONTARIO, California. These are active, operating businesses scored for owner exit readiness, years in business, and financial profile. Most are off-market: they have not yet engaged a broker or listed on any marketplace.

What is the typical asking price for a Construction & Building business in ONTARIO?

Construction & Building businesses in ONTARIO typically trade at 3x to 6x EBITDA. A business with $2M revenue and 12% margins ($240k EBITDA) would price between $720k and $1.44M. Businesses with recurring contracts, strong owner tenure, and clean books command the higher end of that range.

Why buy an Construction & Building business in ONTARIO instead of starting one?

Acquiring an existing construction & building business in ONTARIO gives you an established customer base, trained staff, and immediate cash flow (without the 2-3 year ramp of a startup). Businesses in our database average 11 years in operation, meaning they have proven their model in the local market.

How do I find off-market Construction & Building businesses in ONTARIO?

Most construction & building acquisitions in ONTARIO happen off-market. Serava.AI identifies succession-ready owners using tenure and business age signals, then reaches out directly on your behalf before they hire an investment banker. This gives you proprietary access before any competing buyer sees the deal.

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Private mandate with full contact details, owner names, and AI scoring. Delivered in 24 hours. Free for buyers.

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Other Cities in California

LOS ANGELES7034SAN DIEGO6071SAN JOSE5015SACRAMENTO4115SAN FRANCISCO4078BAKERSFIELD2722RIVERSIDE2666FRESNO2516
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Other Industries in ONTARIO

Manufacturing612Auto Repair332Transport & Logistics246Electrical43Self-Storage41
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