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Rural ResidenceResidential
$849,929$387 / 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 93How 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

3900 QUAIL RUN

SAN MARCOS, TX 78666
2
Baths
2,196 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.
14.84 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$850K
$786K low$913K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$342 (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.$234,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,460
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$224,340
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$233,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$498,540

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.48
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
66
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
97
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.
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.14.84
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.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 16 ft²

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 · 5.7 mi
H
Canyon High SchoolB
High · Grades 9–12 · 10.3 mi
M
Church Hill Middle SchoolB+
Middle · Grades 6–8 · 10.8 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

3900 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 98% of homes in San Marcos 78666
  • Costs more per square foot than 97% of homes in San Marcos 78666
  • Bigger than 78% of homes in San Marcos 78666
  • Has a bigger lot than 98% of homes in San Marcos 78666
  • Older than 71% 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
$165K$854K

This home is worth more than 98% 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$849,929
CheaperTypical $329,448Pricier

Pricier than 98% of homes nearby

Price per ft²$387
CheaperTypical $195Pricier

Pricier than 97% of homes nearby

Living area2,196 ft²
SmallerTypical 1,652 ft²Bigger

Bigger than 78% of homes nearby

Lot size14.84 ac
SmallerTypical 0.35 acBigger

Bigger than 98% of homes nearby

Year built1998
OlderTypical 2010Newer

Newer than 29% of homes nearby

How 3900 Quail Run ranks against every home in each area.
MeasureThis homeSan Marcos 78666Comal County
Estimated valuepricier than$849,92998% of homes83% of homes
Price per ft²pricier than$38797% of homes93% of homes
Living areabigger than2,196 ft²78% of homes54% of homes
Lot sizebigger than14.84 ac98% of homes98% of homes
Year builtnewer than199829% of homes34% of homes

About 3900 Quail Run

How much is 3900 Quail Run, San Marcos, TX worth?

The TopHap Estimate for 3900 Quail Run, San Marcos, TX is $849,929 as of Jul 14, 2026. The likely range is $786,363 to $913,495. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3900 Quail Run, San Marcos, TX?

3900 Quail Run, San Marcos, TX has 2 bathrooms, 2,196 square feet of living space and a 14.84-acre lot.

When was 3900 Quail Run, San Marcos, TX built?

3900 Quail Run, San Marcos, TX was built in 1998, making it 28 years old. The building has 1 story.

What schools serve 3900 Quail Run, San Marcos, TX?

3900 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 3900 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 98% of them ($849,929 against a typical $329,448), its price per square foot is higher than 97% of them ($387 against a typical $195), it is bigger than 78% of them (2,196 ft² against a typical 1,652 ft²), its lot is bigger than 98% of them (14.84 ac against a typical 0.35 ac) and it is newer than 29% of them (1998 against a typical 2010). Measured against all of Comal County, it is worth more than 83% 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 3900 Quail Run, San Marcos, TX?

The 2024 property tax bill for 3900 Quail Run, San Marcos, TX was $342. The county assessed it at $234,800.

More homes on Quail Run

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Assigned schools

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