4505 Post Loop is a 2,162 square foot house on a 6,110 square foot lot with 3 bedrooms and 2.5 bathrooms. Based on Redfin's Round Rock data, we estimate the home's value is $480,304.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$9,704 (−11.4%)
$109,000 + $360,641
$469,641
2025
$10,955 (+5.8%)
$109,000 + $421,176
$530,176
2024
$10,350 (−4.6%)
$111,000 + $387,946
$498,946
2023
$10,844 (−13.8%)
$115,000 + $413,027
$528,027
2022
$12,577 (+143.5%)
$116,000 + $445,215
$561,215
2021
$5,166
$95,000 + $118,335
$213,335
Tax history for 4505 Post Loop
Year
Property tax
Land + Additions
Assessment*
2026
$9,704 (−11.4%)
$109,000 + $360,641
$469,641
2025
$10,955 (+5.8%)
$109,000 + $421,176
$530,176
2024
$10,350 (−4.6%)
$111,000 + $387,946
$498,946
2023
$10,844 (−13.8%)
$115,000 + $413,027
$528,027
2022
$12,577 (+143.5%)
$116,000 + $445,215
$561,215
2021
$5,166
$95,000 + $118,335
$213,335
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Sep 11, 2020 • Final
Trendmaker homes
Connect utilities for a residential building.
Plumbing
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Exterior
Exterior Information
Foundation Type: Slab
Exterior Wall: Stone
Property Information
Subdivision Name: HIGHLANDS/MAYFIELD RANCH SEC 1
Living Sq. Ft: 2,162
Ground Floor Sq. Ft: 2,162
Building Sq. Ft: 2,162
# of Stories: 1
Legal Description: S12327 - HIGHLANDS AT MAYFIELD RANCH SEC 10B, BLOCK G, LOT 99
Parking & Garage Information
Garage/Parking Sq. Ft: 504
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,110
Legal Lot Number: 99
Legal Block Number: G
Water District: UPPER BRSHY CR WCID
Municipality Name: ROUND ROCK
Acres: 0.1403
County Use Description: RESIDENTIAL SINGLE FAMILY
State Use Description: RESIDENTIAL SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Tax District County: WILLIAMSON COUNTY
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,162
Stories: 1.0
Lot Size: 6,110 square feet
Style: Single Family Residential
Year Built: 2020
Year Renovated: 2020
County: Williamson County
APN: R595981
Home facts updated by county records on Oct 9, 2026
Around this home
Schools
Wolf Ranch Elementary School
Public PreK-5 • Assigned • 4.1mi
7/10
James Tippit Middle School
Public 6-8 • Assigned • 3.8mi
6/10
East View High School
Public 9-12 • Assigned • 8.8mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
3% chance of being in a wildfire in next 30 years
7/10 Heat Factor
6 days above 107° expected this year, 20 days in 30 years
8/10 Wind Factor
80% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Round Rock, TX • 78681
Average low and high temperatures (°F)
59
38
69
46
81
56
81
62
86
66
92
75
94
75
95
74
92
68
88
63
76
53
67
47
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.5 hours in
June and 5 hours in December, which is comparable to the
U.S. average for solar exposure.
9.5 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$457,000 – $553,000
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Property information provided by Unlock MLS when last listed in 2026. This data may not match public records. Learn more.
Listing provided courtesy of: RELY REAL ESTATE LLC
Listing agent: Allison Henderson (5127372010)
The information being provided by Unlock MLS is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing. Any information relating to real estate for sale referenced on this web site comes from the Internet Data Exchange (IDX) program of the Unlock MLS. Real estate listings held by brokerage firms other than this site owner are marked with the IDX/MLS logo. Information deemed reliable but is not guaranteed accurate by Unlock MLS.