Prosper's 2026 combined property tax rate in Prosper ISD is 1.94% on the Collin County side and 1.89% on the Denton County side, before exemptions. On the Census median home value of $823,700, that's about $15,970 or $15,560 a year. The Census reports Prosper's median real estate tax bill as more than $10,000 a year, the top of its scale. If your appraisal district valued your home too high, a protest can lower that bill. File by Monday, May 17, 2027.
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Most of Prosper is in Collin County, but the west side is in Denton County. Denton CAD's 2026 roll lists 6,044 single-family homes with a Prosper address, at a median market value of $709,023 and $230 per square foot. Half were built in 2019 or later.
At these values, a small over-appraisal costs real money every year. Owners can protest each spring. The usual deadline is May 15 or 30 days after your notice, whichever is later.
TaxDrop's TDLR-licensed Texas consultants can handle the protest for you, from filing through the Appraisal Review Board hearing. See TaxDrop pricing for current plans.
Your Prosper tax bill is several separate taxes added together. Each taxing unit sets its own rate per $100 of taxable value (Denton County Tax Office, 2026 adopted rates; Collin County 2026 tax rate notice; Collin College):
Prosper kept its town rate at $0.505 for 2026. The school district is the biggest line on your bill, and some newer subdivisions add special district taxes. Check the taxing units on your notice.
Homestead exemption: Texas school districts must exempt $140,000 of a homestead's value, plus another $60,000 for owners 65 or older or disabled (Texas Comptroller). On Prosper ISD's rate, the $140,000 exemption cuts about $1,680 a year off the school portion. Homestead appraisal increases are capped at 10% a year, plus new improvements.
Prosper is home to 37,869 people (Census ACS 2020β2024). Most homes are in Prosper ISD, where the combined 2026 rate is 1.94% on the Collin County side and 1.89% on the Denton County side, before exemptions.
Most of Prosper is in Collin County and appraised by Collin Central Appraisal District. The west side is in Denton County and appraised by Denton Central Appraisal District (Denton CAD). Your notice names your district.
How to protest your Prosper property taxes
Want a licensed consultant to handle it? A Prosper property tax consultant files with your appraisal district, handles the informal review and represents you at the ARB.
Protest results
Results vary by property, and a reduction is not guaranteed. See the Denton County protest statistics.
At 2026 rates, a home at Prosper's Census median value of $823,700 comes to about $15,970 a year on the Collin County side and $15,560 on the Denton County side, both in Prosper ISD and before exemptions (U.S. Census Bureau ACS 2020β2024; county tax offices). Your bill depends on your appraised value, exemptions and taxing units. The Census reports Prosper's median real estate tax bill as more than $10,000 a year, the top of its scale.
For 2026, the Town of Prosper rate is $0.5050 per $100. Adding Denton County and the school district gives a combined rate of about 1.89% on the Denton County side. On the Collin County side, Collin County and Collin College bring it to about 1.94%. Both are in Prosper ISD, before special districts and exemptions.
Monday, May 17, 2027, because May 15 falls on a Saturday, or 30 days after your appraisal notice was mailed, whichever is later.
Most of Prosper is in Collin County and appraised by Collin Central Appraisal District. The west side is in Denton County and appraised by Denton Central Appraisal District (Denton CAD). Your notice names your district.
You can protest yourself for free. A licensed consultant gathers evidence, negotiates with the appraisal district and attends the ARB hearing for you. TaxDrop Pro handles the whole protest, from filing through the hearing, with no upfront fee.
Filing a protest carries no penalty. The appraisal district or the ARB decides your value based on the evidence. In 2025, 94.2% of Denton County ARB determinations lowered value.
More on Prosper-area property taxes
Photo: Denton County Courts Building by Mick Watson from Atascocita, Texas, CC BY 2.0. Cropped to square and converted to WebP.
