1,237 homes in Prosper, Collin County (appraisal neighborhood N11220), compared with their most similar neighbors.
Updated October 12, 2026. Source: Collin Central Appraisal District, 2026 data. Methodology
single-family homes compared
1,237
valued above similar homes nearby
48%
look worth protesting in 2026
14%
of decided 2026 protests got a reduction
86%
48% of Lilyana homes are valued above similar homes nearby
We compared each of 1,237 single-family homes with its most similar neighbors (same neighborhood and quality, similar size and age). 48% have a house value above the median of those homes: together, $4.1 million of house value above them. Texas lets you protest a value that is above the median of comparable homes.
We rate 104 "Yes" and 72 "Maybe". If every one of them protested and got the reduction their comparables support, their owners could pay about $31,757 less in property tax a year.
47% of Lilyana homeowners protested in 2026, and 86% of decided protests got a reduction
Of 1,237 Lilyana homeowners in our data, 586 protested their 2026 value; 317 of 370 decided protests lowered it, typically by $9,140 (1.6% of the value).
Lilyana homeowners who protested on their own got bigger reductions than those who hired an agent: $15,118 vs. $8,899
The typical winning protest cut the value by 3.1% on your own vs. 1.6% with an agent.
On your own
$15,118
typical value cut among wins (3.1%)
Decided protests won
46%
Cost
$0–50
Off the yearly tax bill
about $255, all yours
With a paid agent
$8,899
typical value cut among wins (1.6%)
Decided protests won
91%
Cost
25–40% of the tax saved
Off the yearly tax bill
about $150, minus $38–$60 to the agent
Source: the Collin Central Appraisal District, 2026 protests. Tax figures at a typical 1.7% 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 1.7% tax rate, the typical win on your own takes about $255 a year off the tax bill, and you keep all of it. The typical agent win takes off about $150, and the agent keeps about $38–$60 of that. Filing is free, online or by mail, and there's no agent contract to renew or cancel each year.
321 Lilyana 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.
12% of Lilyana 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
1,237
Median market value
$559,958
Median change from last year
-14.3%
Median value per sq ft
$190
Median living area
2,958 sq ft
Median lot
7,122 sq ft
Median year built
2022
Homes with a pool
3%
Homestead exemption on file
88%
Median estimated property tax
$9,595 a year
Median effective tax rate
1.7%
Homes with a paid protest agent
46%
Streets where most homes are valued above similar homes
Street
Homes
Above similar homes
Median gap
BASKETFLOWER WAY
12
100%
+2.5%
INDIAN GRASS LN
15
93%
+2.9%
GARDENIA ST
29
82%
+1%
PENNY WAY
11
73%
+0.5%
FOXGLOVE LN
21
71%
+0.5%
WATER LILY WAY
29
69%
+1.2%
SNAPDRAGON CT
36
69%
+1.3%
HYACINTH WAY
21
62%
+0.2%
DAFFODIL RD
15
60%
+0%
RED ROSE TRL
45
59%
+0.6%
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.