The Hidden Tax on Housing: How Soft Costs Are Crushing Affordability
The Hidden Tax on Housing: How Soft Costs Are Crushing Affordability By ML Solutions Research Group · November 8, 2025 Builders are used to talking about lumber, labor, interest rates, and supply chains. But in 2025, the quiet story behind every blown pro forma is different: soft costs—especially municipal fees, specialdistricts, permitting delays, and NIMBY politics—have become a hidden tax on housing. The National Association of Home Builders (NAHB) estimates that government regulation accounts for 23.8% of the final price of a new single-family home in the United States, with 10.5% attributed to development and 13.3% to construction.1 In Washington State, a 2025 analysis found that regulations now account for 29.5% of the final price of a typical new single-family home, approximately $203,976 on a $690,701 house.2 Put simply: what many builders once assumed was a 10–15% “regulation slice” has, in many markets, quietly moved into the 20–30% range. This analysis complements our ongoing work on “Builders vs. Rising Costs” and “The Changing Face of Labor”. Together, they map how today’s builders are being squeezed from every direction. What Counts as “Soft Costs” in Residential Construction? Builders define “soft costs” to mean all of the non-physical inputs required to turn a parcel
“Margins Under Pressure: The New Economics of Homebuilding in 2025”
Rising Construction Costs: Are Builders Winning the Fight in 2025? By Mark Levinson · Published November 5, 2025 Builders are fighting back to reduce hard costs—or at least that’s what we tell each other. With a “back-to-basics” mindset, we rationalize options, build faster, and discount harder. We find ourselves inviting our “vendor partners” to share in the pain, or at least in our reduced margins. Across the United States, homebuilders are feeling the squeeze. Rising material, labor, and financing costs are colliding with buyers who have reached affordability limits after years of underbuilding and persistently high mortgage rates. The result is a market where profit margins are thinner, project timelines are longer, and managing risk has become just as essential as managing construction. While some builders have adapted with scale efficiencies, others—particularly regional and mid-size operators—are struggling to sustain production levels. The broader consequence is a persistent undersupply of new housing units, along with continued upward pressure on prices, rents, and land values. Financing: The Tightest Squeeze The most immediate pressure point remains financing. Mortgage rates hovering near 6.5%–7.5% have dampened buyer demand, but the cost of capital for builders has risen even faster. Short-term construction loans—usually floating-rate—are adjusting upward,