Collin County WCID #3 tax rate 2025
Cost estimate
On a $400,000 home this adds about $3,575 per year / $298 per month.
Uses the 2025 total rate ($0.8937 per $100) on taxable value, before any exemptions. Rounded half-up.
| Type | Water Control and Improvement District |
|---|---|
| 2025 total rate | $0.8937 per $100 |
| M&O / debt (I&S) rate | $0.3656 / $0.5281 |
| Neighborhoods / subdivisions | Not yet verified |
| Who bills it | Listed on the Collin County Tax Assessor-Collector published rate list |
| TCEQ status | Active |
| Creation date | 2011-03-05 |
| TCEQ type | WCID |
| ZIP codes (ZCTAs overlapping TCEQ boundary) | 75098 |
| Comptroller cross-check | Match |
| Split across counties | No / not indicated |
Rate history
| Tax year | Total rate per $100 | Source |
|---|---|---|
| 2023 | $0.9386 | Comptroller 2023 special district file |
| 2024 | $0.9192 | Comptroller 2024 special district file |
| 2025 | $0.8937 | county tax office list |
| 2026 | $0.8937 | county tax office list |
Sources
- Rate (tax year 2025): https://www.collincountytx.gov/docs/default-source/tax-assessor/documents/taxratehistory.pdf
- County tax office rate list: https://www.collincountytx.gov/docs/default-source/tax-assessor/documents/taxratehistory.pdf
- History: https://comptroller.texas.gov/taxes/property-tax/docs/2024-special-district-rates-levies.xlsx ; https://comptroller.texas.gov/taxes/property-tax/docs/2023-special-district-rates-levies.xlsx
- TCEQ record: https://gisweb.tceq.texas.gov/arcgis/rest/services/iwud/WaterDistricts_PRD/MapServer (TCEQ Water Districts)
Last verified Oct 31, 2026. Rates are from the county tax assessor-collector list where available, otherwise the Texas Comptroller file, and may differ from the final bill.