City building permits · Jun 2026
Thornton Building Permits
Monthly residential building permits for Thornton, Colorado — 34 units in Jun 2026, 303 over the last 12 months — latest month -27.7% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 22 | 64.7% |
| 2-unit structures | 12 | 35.3% |
| 3–4 unit structures | 0 | 0.0% |
| Multifamily (5+ units) | 0 | 0.0% |
| All units | 34 | 100% |
Compare this area with the rest of the country: ranked leaderboards for permit volume, permits per capita, year-over-year growth, and multifamily share.
Thornton building permits — FAQ
How many building permits were issued in Thornton, Colorado?+
34 new residential units were authorized in Thornton in Jun 2026, and 303 over the trailing 12 months, per the Census Building Permits Survey.
What types of housing is Thornton permitting?+
In Jun 2026, 22 single-family and 0 units in 5+ unit buildings were permitted — 35.3% of the total was multifamily.
Why might Thornton's numbers be zero some months?+
Permit activity is lumpy at the city level, and small jurisdictions may report to the Census with a lag. Zero in a month means no permits were reported, not necessarily no construction interest.