Williamson County is part of the Austin market in Central Texas. In April 2026, county builders authorized 348 residential building permits (U.S. Census Building Permits Survey). Activity spans cities including Round Rock, Georgetown, Cedar Park, generating work across general-contractors, roofing, hvac.
In April 2026, builders pulled 348 residential building permits across Williamson County, ranking it #13 of 221 Texas counties by permit volume. Volume moved down 25.8% from the prior month, and is down 34.2% year over year. Single-family work accounted for 348 of those permits and multifamily (5+ unit) for 0.
Softer demand — monitor for movement
Composite of permit volume, month-over-month change, and year-over-year trend.
See the full Construction Demand Index ranking →Williamson ranks #13 of 221 Texas counties by permits authorized in April 2026 — top 95% statewide.
Williamson permit volume trended up over the last 6 months (220 → 348 units).
| Nov | Dec | Jan | Feb | Mar | Apr |
| 220 | 610 | 316 | 442 | 469 | 348 |
Sources: Census BPS, FRED. Volume and trend are real U.S. Census Building Permits Survey data; year-over-year is FRED; the Construction Demand Index is a modeled composite. Trade- and ZIP-level breakdowns are real permit records, shown where the Texas permit feed covers the county.
PermitMap tracks building-permit activity across cities in Williamson County.
Full address for every permitted project
Project valuation to prioritize high-value leads
Filtered by your trade (roofing, HVAC, etc.)
Know exactly when permits were filed
In April 2026, Williamson County authorized 348 residential building permits according to the U.S. Census Building Permits Survey. Volumes vary seasonally; PermitMap refreshes the figure each month.
Common permit work in Williamson County includes New Construction, Roofing, HVAC, Pool Construction, Garage Conversion.
Contractors in Williamson County use PermitMap to track market demand and, where the permit feed is live, receive weekly permit reports filtered by trade. Reports include property addresses, project descriptions, permit values, and filing dates.
Join contractors who track Williamson County construction demand with PermitMap. Real Census permit data today, with trade-level lead delivery as the Texas feed comes online.
Start Free Trial