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Foundry · Builder Margin Check

Every builder thinks they're in the top half.

Here's what the numbers actually look like. Same revenue. Same overhead. Wildly different outcomes.

Net profit margin — U.S. home builders, 2023
Source: NAHB, The Cost of Doing Business Study (2025 Edition (FY2023 data))
Top 25%
+17.7%
Industry avg
+8.7%
Bottom 25%
-1.4%
break-even
The top quartile and the bottom quartile run the same revenue and the same overhead. The whole gap is cost of sales — what each job actually costs versus what they thought it would.

Margin figures: NAHB, The Cost of Doing Business Study (2025 Edition (FY2023 data)) (FY2023 data). Distribution shown is industry-wide and illustrative; your business is your own.