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Single Family ResidenceResidential
$1,647,539$184 / 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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

4230 DAY DR

SAN MARCOS, TX 78666
3
Baths
8,958 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.
6.74 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.6M
$1.4M low$1.9M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,414 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$699,290 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$250,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$448,490
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$715,638
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$699,290

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.49
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
68
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
99
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.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCOMAL
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1995
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
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.Shed · 81 ft²Patio · 130 ft²Porch · 991 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 · 5.5 mi
H
Canyon High SchoolB+
High · Grades 9–12 · 9.6 mi
M
Church Hill Middle SchoolA
Middle · Grades 6–8 · 10.1 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%

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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

4230 Day Dr 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.

  • Among the most valuable homes in San Marcos 78666
  • Costs less per square foot than 76% of homes in Comal County
  • Among the largest homes in Comal County
  • Has a bigger lot than 96% of homes in Comal County
  • Older than 92% 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
$163K$888K

This home is worth more than almost all 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$1,647,539
CheaperTypical $315,760Pricier

Pricier than almost all homes nearby

Price per ft²$184
CheaperTypical $192Pricier

Pricier than 42% of homes nearby

Living area8,958 ft²
SmallerTypical 1,652 ft²Bigger

Bigger than almost all homes nearby

Lot size6.74 ac
SmallerTypical 0.33 acBigger

Bigger than 94% of homes nearby

Year built1975
OlderTypical 2010Newer

Newer than 8% of homes nearby

How 4230 Day Dr ranks against every home in each area.
MeasureThis homeSan Marcos 78666Comal County
Estimated valuepricier than$1,647,539almost all homesalmost all homes
Price per ft²pricier than$18442% of homes24% of homes
Living areabigger than8,958 ft²almost all homesalmost all homes
Lot sizebigger than6.74 ac94% of homes96% of homes
Year builtnewer than19758% of homes11% of homes

About 4230 Day Dr

How much is 4230 Day Dr, San Marcos, TX worth?

The TopHap Estimate for 4230 Day Dr, San Marcos, TX is $1,647,539 as of Oct 21, 2026. The likely range is $1,364,972 to $1,930,106. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4230 Day Dr, San Marcos, TX last sell?

4230 Day Dr, San Marcos, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4230 Day Dr, San Marcos, TX?

4230 Day Dr, San Marcos, TX has 3 bathrooms and 8,958 square feet of living space.

When was 4230 Day Dr, San Marcos, TX built?

4230 Day Dr, San Marcos, TX was built in 1975, making it 51 years old. The building has 2 stories.

What schools serve 4230 Day Dr, San Marcos, TX?

4230 Day Dr, 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 A. All sit in Comal Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4230 Day Dr, San Marcos, TX compare to other homes in San Marcos 78666?

Among the 22,660 homes in San Marcos 78666, it is worth more than almost all of them ($1,647,539 against a typical $315,760), its price per square foot is higher than 42% of them ($184 against a typical $192), it is bigger than almost all of them (8,958 ft² against a typical 1,652 ft²), its lot is bigger than 94% of them (6.74 ac against a typical 0.33 ac) and it is newer than 8% of them (1975 against a typical 2010). Measured against all of Comal County, it is worth more than almost all 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 4230 Day Dr, San Marcos, TX?

The 2025 property tax bill for 4230 Day Dr, San Marcos, TX was $3,414. The county assessed it at $699,290.

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