The end of incremental

From Triple Locked To A Parallel Housing Economy.A New Era Of Critical-Mass Housing.

For ninety years, the Triple Lock:

1 — 1936. A surveyor draws the line by hand and grades it hazardous.

2 — 1986. The federal government re-certifies the same shape as a "distressed" census tract — and so, high-risk to lend in.

3 — 2026. The lending algorithms never see the line. They see what the line did — ninety years of withheld capital, suppressed comps, sales that never happened — and read it as proof the place can't perform. So the money stays out, and next year's numbers prove them right again. The denial became the data.

Each lock ratified the one before it. This was never a market. It's a ninety-year-old decision, compounding.

The Lock taught capital to avoid ~15,000 census tracts and 24 million families. The answer was always incremental — one home, one pilot, one ribbon-cutting — never enough to move a market. But markets tip at critical mass: 20% of a city's cost-burdened families, a floor of five thousand homes. Below that line, building is a subsidy; above it, a self-sustaining economy. City after city, that compounds into a parallel housing economy a million homes strong. Not high-risk. Mispriced.

5,000+
minimum city production
20%
critical mass of cost-burdened families
1,000,000
parallel housing economy
Join the rebuild

Watch the first one happen.Then ask who owns the reset in yours.

A neighborhood becomes an asset class again when the return is real and the value stays with the people who built it. The order book is one million homes; the first five hundred are underway in Kansas City. The mispricing is closing either way — the only question is who gets there first. Be the one who says yes first.

See the first 500 · South Vine
Learn about your city

Not on the first 20? See what the same map looks like where you are.

NeighborBuilt · An Economy Creation firm — Sources

Qualified-census-tract geography from HUD Qualified Census Tracts. Cost-burden and demand figures from the Scale-Built Housing scorecard (936 metros; ACS 5-yr S2503 + HUD; NAHB three-phase economic-impact model). National target: 24.4M cost-burdened families.

Historical redlining grades from Mapping Inequality: Redlining in New Deal America, Digital Scholarship Lab, University of Richmond — an independent primary source, shown here with attribution. This page is theory and thesis; project-specific figures live in the South Vine market study.