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Single Family ResidenceResidential
$433,918
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

520 ROADRUNNER RD

SAN MARCOS, TX 78666
0
Baths
1 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$434K
$375K low$493K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,727 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$98,320 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$98,320
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$98,320

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyHAYS
Lot (acres)The size of the land the home sits on, from county records.1.00
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Blanco Vista Elementary SchoolB+
Elementary · Grades PK–5 · 3.8 mi
M
Laura B. Wallace Middle SchoolC+
Middle · Grades 6–8 · 4.3 mi
H
Jack C. Hays High SchoolB
High · Grades 9–12 · 6.0 mi

District: Hays Consolidated Independent School District

Neighborhood · ZIP 78666These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.72
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.99,796
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.548 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,287
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,670
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

520 Roadrunner Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 76% of homes in San Marcos 78666
  • Has a bigger lot than 73% of homes in San Marcos 78666

What homes are worth in San Marcos 78666

Each bar is how many homes fall in that price range. The marker is this home.

This home
$162K$875K

This home is worth more than 76% of homes in San Marcos 78666.

How it measures up in San Marcos 78666

The dot is this home. The mark in the middle is the typical home in San Marcos 78666.

Estimated value$433,918
CheaperTypical $316,890Pricier

Pricier than 76% of homes nearby

Lot size1 ac
SmallerTypical 0.34 acBigger

Bigger than 73% of homes nearby

How 520 Roadrunner Rd ranks against every home in each area.
MeasureThis homeSan Marcos 78666Hays County
Estimated valuepricier than$433,91876% of homes61% of homes
Lot sizebigger than1 ac73% of homes67% of homes

About 520 Roadrunner Rd

How much is 520 Roadrunner Rd, San Marcos, TX worth?

The TopHap Estimate for 520 Roadrunner Rd, San Marcos, TX is $433,918 as of Sep 24, 2026. The likely range is $375,252 to $492,584. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Roadrunner Rd, San Marcos, TX last sell?

520 Roadrunner Rd, San Marcos, TX last sold on Dec 14, 2022, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 520 Roadrunner Rd, San Marcos, TX?

520 Roadrunner Rd, San Marcos, TX is assigned to Blanco Vista Elementary School (elementary), rated B+; Laura B. Wallace Middle School (middle), rated C+; Jack C. Hays High School (high), rated B. All sit in Hays Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Roadrunner Rd, San Marcos, TX compare to other homes in San Marcos 78666?

Among the 22,673 homes in San Marcos 78666, it is worth more than 76% of them ($433,918 against a typical $316,890) and its lot is bigger than 73% of them (1 ac against a typical 0.34 ac). Measured against all of Hays County, it is worth more than 61% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 520 Roadrunner Rd, San Marcos, TX?

The 2024 property tax bill for 520 Roadrunner Rd, San Marcos, TX was $1,727. The county assessed it at $98,320.

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