Garden Isles 2nd Inst property tax protests: 2026 data
252 homes in Irving, Dallas County (appraisal neighborhood 5ISK33), compared with their most similar neighbors.
Updated October 12, 2026. Source: Dallas Central Appraisal District, 2026 data. Methodology
single-family homes compared
252
valued above similar homes nearby
50%
look worth protesting in 2026
70%
of decided 2026 protests got a reduction
74%
50% of Garden Isles 2nd Inst homes are valued above similar homes nearby
We compared each of 252 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, $2.2 million of house value above them. Texas lets you protest a value that is above the median of comparable homes.
28% of Garden Isles 2nd Inst homeowners protested in 2026, and 74% of decided protests got a reduction
Of 252 Garden Isles 2nd Inst homeowners in our data, 70 protested their 2026 value; 52 of 70 decided protests lowered it, typically by $11,325 (2.9% of the value).
Garden Isles 2nd Inst homeowners who protested on their own got bigger reductions than those who hired an agent: $24,855 vs. $10,610
The typical winning protest cut the value by 6.1% on your own vs. 2.5% with an agent.
On your own
$24,855
typical value cut among wins (6.1%)
Decided protests won
71%
Cost
$0–50
Off the yearly tax bill
about $360, all yours
With a paid agent
$10,610
typical value cut among wins (2.5%)
Decided protests won
75%
Cost
25–40% of the tax saved
Off the yearly tax bill
about $154, minus $38–$62 to the agent
Source: the Dallas Central Appraisal District, 2026 protests. Tax figures at a typical 1.5% 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 1.5% Texas tax rate, the typical win on your own takes about $360 a year off the tax bill, and you keep all of it. The typical agent win takes off about $154, and the agent keeps about $38–$62 of that. Filing is free, online or by mail, and there's no agent contract to renew or cancel each year.
90 Garden Isles 2nd Inst 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.
The typical Texas home pays about $7,106 a year in property tax
Our estimate from 2026 published tax rates and each home's exemptions: 1.5% of market value. (The Dallas Central Appraisal District doesn't publish tax rates with its data, so this uses our Texas data.)
30% of Garden Isles 2nd Inst 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
252
Median market value
$376,475
Median change from last year
-6%
Median value per sq ft
$240
Median living area
1,522 sq ft
Median lot
8,137 sq ft
Median year built
1986
Homes with a pool
7%
Homestead exemption on file
70%
Homes with a paid protest agent
23%
Streets where most homes are valued above similar homes
Street
Homes
Above similar homes
Median gap
LAKESHORE DR
82
57%
+0.6%
GARDEN ISLE AVE
19
47%
-0.1%
LAKE ISLE CIR
13
46%
+0%
SEA TERRACE
27
44%
-0.9%
GARDEN TERRACE DR
36
44%
+0%
CAY CT
10
40%
-3.4%
CORAL CT
16
38%
-0.2%
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 Dallas Central Appraisal District. Estimates, not promises: every protest is decided on its own evidence.