113 homes in Plano, Collin County (appraisal neighborhood S10219), compared with their most similar neighbors.
Updated October 12, 2026. Source: Collin Central Appraisal District, 2026 data. Methodology
single-family homes compared
113
valued above similar homes nearby
50%
look worth protesting in 2026
84%
of decided 2026 protests got a reduction
86%
50% of Northglen homes are valued above similar homes nearby
We compared each of 113 single-family homes with its most similar neighbors (same neighborhood and quality, similar size and age). 50% have a house value above the median of those homes: together, $1.4 million of house value above them. Texas lets you protest a value that is above the median of comparable homes.
We rate 1 "Yes" and 94 "Maybe". If every one of them protested and got the reduction their comparables support, their owners could pay about $21,296 less in property tax a year.
55% of Northglen homeowners protested in 2026, and 86% of decided protests got a reduction
Of 113 Northglen homeowners in our data, 62 protested their 2026 value; 38 of 44 decided protests lowered it, typically by $11,988 (1.4% of the value).
Northglen homeowners who protested on their own got bigger reductions than those who hired an agent: $18,360 vs. $11,822
The typical winning protest cut the value by 2.2% on your own vs. 1.4% with an agent.
On your own
$18,360
typical value cut among wins (2.2%)
Decided protests won
60%
Cost
$0–50
Off the yearly tax bill
about $257, all yours
With a paid agent
$11,822
typical value cut among wins (1.4%)
Decided protests won
90%
Cost
25–40% of the tax saved
Off the yearly tax bill
about $166, minus $41–$66 to the agent
Source: the Collin Central Appraisal District, 2026 protests. Tax figures at a typical 1.4% effective tax rate. Agent or do it yourself? · Methodology
An agent keeps 25–40% of what you save. Doing it yourself costs $0–50.
At a typical 1.4% tax rate, the typical win on your own takes about $257 a year off the tax bill, and you keep all of it. The typical agent win takes off about $166, and the agent keeps about $41–$66 of that. Filing is free, online or by mail, and there's no agent contract to renew or cancel each year.
23 Northglen homes valued above similar homes weren't protested
Their house values were above the median of the most similar neighbors, the comparison Texas law allows a protest on, but their owners didn't protest in 2026.
14% of Northglen homes have no homestead exemption on file
Usually a rental or second home. If it's your own home, a homestead exemption takes $140,000 off its school taxable value and caps yearly increases in taxable value at 10%; you apply with your appraisal district (Form 50-114).
Free, in about 10 seconds: how your home compares with similar homes nearby.
By the numbers
Single-family homes
113
Median market value
$782,804
Median change from last year
-2.4%
Median value per sq ft
$219
Median living area
3,672 sq ft
Median lot
7,440 sq ft
Median year built
2016
Homes with a pool
4%
Homestead exemption on file
86%
Median estimated property tax
$11,166 a year
Median effective tax rate
1.4%
Homes with a paid protest agent
57%
Streets where most homes are valued above similar homes
Street
Homes
Above similar homes
Median gap
FUNSTON DR
19
68%
+1%
OAKSTONE DR
36
64%
+1.2%
GLENHOME DR
31
30%
-2.5%
KARLOVICH DR
15
7%
-8.2%
Streets with at least 10 homes we could compare. "Median gap": how far the street's typical house value is from its comparables' median.
How to protest
The protest deadline is May 15, or 30 days after your appraisal notice was mailed, whichever is later. Check the date on your notice. New to this? Read how to protest.
Based on 2026 appraisal values and protest outcomes from the Collin Central Appraisal District. Estimates, not promises: every protest is decided on its own evidence.