Brett Callahan

Independent construction cost consultant based in Charlotte, NC, with 14 years estimating commercial and residential projects at Turner Construction and later Skanska USA. Now helps homeowners and small GCs build accurate pre-bid estimates. Writes on what quotes should actually look like — and why so many dont.

1 tool by Brett Callahan.

• Home Repair Cost Estimator
• DIY vs Hire a Contractor

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  Verbouwkosten Calculator: Wat Je Echt Zou Moeten Betalen

  15 september 2026

  Bereken wat je renovatie echt moet kosten per type werk, afwerkingsniveau en regio, en controleer je aannemeersofferte tegen het normale bereik voordat je iets ondertekent.