Collin County building & ADU permits
Recent permit activity, updated continuously.
Collin County is one of the fastest-growing counties in the United States, covering Plano, Frisco, McKinney, Allen and Wylie. None of those cities publishes an open permit feed of its own, so the county appraisal district's permit roll — which records the builder, the owner and the construction value for each new structure — is the only open route into that market.
Igni is tracking 934 residential and building permits in Collin County, TX — including 1 classified accessory-dwelling-unit (ADU) filing. The most active ZIP is 75071. The most recent filing Igni tracked was Sep 28, 2026. All records come from data.texas.gov / Collin CAD (Socrata), an official government open-data feed, and are refreshed continuously.
934
Permits tracked
1
ADU permits
14
Distinct ZIP codes
Sep 28, 2026
Newest permit
Recent permits
A sample of the freshest permits in this jurisdiction — ZIP and city only (no street addresses).
| ZIP | Permit type | ADU type | Valuation | Applied |
|---|---|---|---|---|
| 75009 | Residential | — | $0 | Sep 22, 2026 |
| 75002 | Other | — | $0 | Sep 23, 2026 |
| 75002 | Residential | — | $0 | Sep 25, 2026 |
| 75002 | Residential | — | $0 | Sep 17, 2026 |
| 75002 | Residential | — | $0 | Sep 22, 2026 |
| 75071 | Residential | — | $0 | Sep 24, 2026 |
| 75071 | Residential | — | $0 | Sep 24, 2026 |
| 75407 | Residential | — | $0 | Sep 25, 2026 |
| 75071 | Residential | — | $0 | Sep 28, 2026 |
| 75071 | Residential | — | $0 | Sep 28, 2026 |
| 75407 | Residential | — | $0 | Sep 28, 2026 |
| 75071 | Residential | — | $0 | Sep 28, 2026 |
| 75071 | Residential | — | $0 | Sep 28, 2026 |
| 75071 | Residential | — | $0 | Sep 28, 2026 |
| 75407 | Residential | — | $0 | Sep 28, 2026 |
| 75002 | Residential | — | $0 | Sep 17, 2026 |
| 75002 | Residential | — | $0 | Sep 17, 2026 |
| 75002 | Residential | — | $0 | Sep 17, 2026 |
| 75002 | Other | — | $0 | Sep 21, 2026 |
| 75442 | Residential | — | $0 | Sep 21, 2026 |
Top ZIP codes by recent activity
Housing law — Texas
Texas has no statewide zoning or ADU mandate, so accessory-dwelling rules are set city-by-city; a 2025 statewide ADU-by-right bill did not become law. Austin's HOME reforms now allow up to three units on most single-family lots.
Reform is local: Austin's HOME initiative cut minimum lot sizes and allowed more units per lot, while 2025 state laws eased lot-size minimums and commercial-to-residential conversions.
Data source
Sourced from data.texas.gov / Collin CAD (Socrata). Public records (TX PIA).
Nearby cities — Texas
Learn more about ADUs & building permits
Background reading on accessory dwelling units, building permits, and how Igni turns Collin County permit records into leads.
Collin County permit data — FAQ
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Does Collin County allow accessory dwelling units (ADUs)?
Get permit leads — Collin County
Fresh, filterable residential and ADU permit leads from Collin County — delivered before your competitors even know.
Informational only, not legal advice. Headline counts reflect all permits Igni has tracked for this jurisdiction; the table shows recent activity. Housing law changes — verify current statutes before relying on this.