Collin County property taxes
Collin County property tax calculator
Collin County includes fast-growing cities and multiple school and special-district boundaries. The calculator starts with the county and then builds the local taxing units for the exact property.
A Collin County address in Frisco, Plano, McKinney, Allen or another community can have a different school, municipal and special-district stack from another parcel nearby.
How to get a useful estimate
Build the parcel's actual taxing-unit stack
- 01
Keep Collin County selected and choose the parcel school district.
- 02
Select the municipality that actually taxes the property, if any.
- 03
Add special districts only when the appraisal or tax record confirms membership.
Property
Set the value, exemptions and county
The county narrows the official taxing-unit list. The exact parcel determines which city, school district and special districts you should select.
Use official rates for this Collin County scenario
County rates are included automatically when a usable rate is reported. Choose the school district and city that serve the property, then add only the special districts that actually apply to the parcel.
Estimate
Estimated annual property tax
2025 rate scenario
Taxable value $400,000
Taxable value $400,000
Common questions
Collin County property-tax calculator FAQ
Is there one Collin County property tax rate?
No. The county rate is only one component of the combined local tax rate.
Why can neighboring Collin County homes have different bills?
School, city and special-district boundaries can differ by parcel, in addition to differences in taxable value and exemptions.
Does the calculator replace the county tax statement?
No. It is a planning estimate built from official rate data; the actual appraisal and tax records control.
Reference notes
Collin County property-tax sources and methodology
Methodology
Texas Defined does not publish a single citywide or countywide combined rate. The calculator starts with the selected county, loads finalized taxing-unit rates reported to the Texas Comptroller, and requires the user to choose the school district, municipality and special districts that actually serve the parcel. Exemptions and taxable values remain user-entered because they are parcel-specific.
Last verified
Source links and local jurisdiction guidance checked August 30, 2026. The calculator labels the finalized rate year returned by the official-rate dataset; verify the actual parcel and current tax record before relying on the result.
This is a planning estimate, not a tax statement, appraisal, exemption determination or legal description. The parcel's appraisal record, exemptions, taxing-unit membership and adopted rates control the actual bill.