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Rural ResidenceResidential
$591,644$649 / ft²
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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

3901 QUAIL RUN

SAN MARCOS, TX 78666
1
Baths
911 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
11.81 ac
Lot SizeThe size of the land the home sits on, from county records.
2024
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$592K
$538K low$645K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$119,680 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$74,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$602,980

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.53
23
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
67
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
47
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.3 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyComal
Lot (acres)The size of the land the home sits on, from county records.11.81
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 924 ft²

Transaction History(1)

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
Hoffmann Lane Elementary SchoolA+
Elementary · Grades PK–5 · 5.6 mi
H
Canyon High SchoolB
High · Grades 9–12 · 10.2 mi
M
Church Hill Middle SchoolB+
Middle · Grades 6–8 · 10.7 mi

District: Comal 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%

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

3901 Quail Run 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 89% of homes in San Marcos 78666
  • Among the highest price per square foot in San Marcos 78666
  • Smaller than 96% of homes in Comal County
  • Has a bigger lot than 98% of homes in Comal County
  • Among the newest homes in Comal County

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
$165K$854K

This home is worth more than 89% 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$591,644
CheaperTypical $329,448Pricier

Pricier than 89% of homes nearby

Price per ft²$649
CheaperTypical $195Pricier

Pricier than almost all homes nearby

Living area911 ft²
SmallerTypical 1,652 ft²Bigger

Bigger than 7% of homes nearby

Lot size11.81 ac
SmallerTypical 0.35 acBigger

Bigger than 97% of homes nearby

Year built2024
OlderTypical 2010Newer

Newer than almost all homes nearby

How 3901 Quail Run ranks against every home in each area.
MeasureThis homeSan Marcos 78666Comal County
Estimated valuepricier than$591,64489% of homes62% of homes
Price per ft²pricier than$649almost all homesalmost all homes
Living areabigger than911 ft²7% of homes4% of homes
Lot sizebigger than11.81 ac97% of homes98% of homes
Year builtnewer than2024almost all homesalmost all homes

About 3901 Quail Run

How much is 3901 Quail Run, San Marcos, TX worth?

The TopHap Estimate for 3901 Quail Run, San Marcos, TX is $591,644 as of Jul 14, 2026. The likely range is $537,827 to $645,461. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3901 Quail Run, San Marcos, TX?

3901 Quail Run, San Marcos, TX has 1 bathrooms, 911 square feet of living space and a 11.81-acre lot.

When was 3901 Quail Run, San Marcos, TX built?

3901 Quail Run, San Marcos, TX was built in 2024, making it 2 years old. The building has 1 story.

What schools serve 3901 Quail Run, San Marcos, TX?

3901 Quail Run, San Marcos, TX is assigned to Hoffmann Lane Elementary School (elementary), rated A+; Canyon High School (high), rated B; Church Hill Middle School (middle), rated B+. All sit in Comal Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3901 Quail Run, San Marcos, TX compare to other homes in San Marcos 78666?

Among the 22,706 homes in San Marcos 78666, it is worth more than 89% of them ($591,644 against a typical $329,448), its price per square foot is higher than almost all of them ($649 against a typical $195), it is bigger than 7% of them (911 ft² against a typical 1,652 ft²), its lot is bigger than 97% of them (11.81 ac against a typical 0.35 ac) and it is newer than almost all of them (2024 against a typical 2010). Measured against all of Comal County, it is worth more than 62% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Quail Run

More homes in San Marcos 78666

Assigned schools

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