Denison, TX · Grayson County · 75021

Homeowners in 75021 could be paying about $34 more each month in property taxes.

You can’t shop your property tax rate—but you can shop your insurance.

Grayson County's 2025 property tax rate is 2.15%1. On a typical home in 75021, that works out to around $342/month2 in property taxes — and if your home was reappraised at Texas's 10% homestead cap, that's an extra $34/month3 on your mortgage payment.


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2025 tax rate breakdown · 75021
Grayson County0.3051%
School district1.1363%5
Combined 2025 rate2.1534%
Median home value
$190,5004
ACS 2024 estimate
Est. annual tax
$4,102
at 2025 rate
Monthly escrow
$342/mo
tax portion only
If your home was reappraised at the 10% Texas homestead cap — the maximum annual increase allowed under Texas law — your mortgage payment may have increased by $34/month3.

Other Grayson County ZIP codes
75414Bells
76233Collinsville
75020Denison
76245Gordonville
75058Gunter
75459Howe
75076Pottsboro
76264Sadler

¹ Property tax rates: Texas Comptroller of Public Accounts, 2025 Certified Property Tax Rate Report.

² Monthly escrow figures are estimates based on median home value and the combined 2025 tax rate. Actual escrow amounts depend on your lender and escrow calculation method.

³ Estimated payment increase assumes a 10% homestead cap reappraisal — the maximum annual increase allowed under Texas law for homestead properties. Actual reappraisal amounts vary by county appraisal district.

⁴ Median home value: U.S. Census Bureau, American Community Survey 2024 5-year estimates, Table B25077.

⁵ School district rate reflects the primary district serving this ZIP code. Some addresses may fall under a different district — check with your local appraisal district to confirm your specific rate.