Justin's 2026 combined property tax rate is 1.89% in Northwest ISD, before exemptions. The median Justin homeowner pays $7,014 a year in property tax. If Denton CAD valued your home too high, a protest can lower that bill. File by Monday, May 17, 2027.
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Justin is growing fast. Denton CAD's 2026 roll lists 7,147 single-family homes with a Justin address, at a median market value of $364,853 and $173 per square foot. Half were built in 2017 or later, and 2,735 have gone up since 2021.
New subdivisions mean first-year appraisals and builder-priced comps, and more chances for a value to land too high. 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 Justin 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):
Justin address, different district. The Justin mailing address reaches well past city limits. Homes outside the city don't pay the city rate, and some sit in special districts with their own rate. 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 Northwest ISD's rate, the $140,000 exemption cuts about $1,490 a year off the school portion. Homestead appraisal increases are capped at 10% a year, plus new improvements.
Justin is home to 5,447 people (Census ACS 2020β2024). Most homes are in Northwest ISD, where the combined 2026 rate is 1.89% before exemptions.
All of Justin is in Denton County, so Denton Central Appraisal District (Denton CAD) appraises your home.
How to protest your Justin property taxes
Want a licensed consultant to handle it? A Justin property tax consultant files with Denton CAD, 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.
The median Justin homeowner pays about $7,014 a year on a median $406,800 home, an effective rate of about 1.72% (U.S. Census Bureau ACS 2020β2024). Your bill depends on your appraised value, exemptions and school district.
For 2026, the City of Justin rate is $0.6418 per $100. Adding Denton County and the school district gives a combined rate of about 1.89% in Northwest ISD before special districts and exemptions (Denton County Tax Office).
Monday, May 17, 2027, because May 15 falls on a Saturday, or 30 days after your appraisal notice was mailed, whichever is later.
All of Justin is in Denton County, so Denton Central Appraisal District (Denton CAD) appraises your home.
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 Justin-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.
