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Single Family ResidenceResidential
$637,562$165 / 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 Aug 30, 2026
Last sold for $37,500 on Feb 20, 2008

4218 DAY DR

SAN MARCOS, TX 78666
3
Baths
3,860 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.
5.73 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$638K
$591K low$684K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$37,500 · Feb 20, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,520 (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.$390,080 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$64,510
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$325,570
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$398,040
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$692,760

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.
68
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.

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.2008
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
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.Deck · 24 ft²Patio · 391 ft²Porch · 203 ft²Guest house

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 · 5.7 mi
H
Canyon High SchoolB
High · Grades 9–12 · 9.8 mi
M
Church Hill Middle SchoolB+
Middle · Grades 6–8 · 10.4 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

4218 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.

  • Worth more than 92% of homes in San Marcos 78666
  • Costs less per square foot than 86% of homes in Comal County
  • Bigger than 98% of homes in San Marcos 78666
  • Has a bigger lot than 95% of homes in Comal County
  • Older than 86% 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
$164K$843K

This home is worth more than 92% 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$637,562
CheaperTypical $325,682Pricier

Pricier than 92% of homes nearby

Price per ft²$165
CheaperTypical $196Pricier

Pricier than 20% of homes nearby

Living area3,860 ft²
SmallerTypical 1,659 ft²Bigger

Bigger than 98% of homes nearby

Lot size5.73 ac
SmallerTypical 0.34 acBigger

Bigger than 93% of homes nearby

Year built1984
OlderTypical 2011Newer

Newer than 14% of homes nearby

How 4218 Day Dr ranks against every home in each area.
MeasureThis homeSan Marcos 78666Comal County
Estimated valuepricier than$637,56292% of homes70% of homes
Price per ft²pricier than$16520% of homes14% of homes
Living areabigger than3,860 ft²98% of homes94% of homes
Lot sizebigger than5.73 ac93% of homes95% of homes
Year builtnewer than198414% of homes18% of homes

About 4218 Day Dr

How much is 4218 Day Dr, San Marcos, TX worth?

The TopHap Estimate for 4218 Day Dr, San Marcos, TX is $637,562 as of Aug 30, 2026. The likely range is $591,453 to $683,671. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4218 Day Dr, San Marcos, TX last sell?

4218 Day Dr, San Marcos, TX last sold on Feb 20, 2008 for $37,500, according to the county's recorded deed.

How big is 4218 Day Dr, San Marcos, TX?

4218 Day Dr, San Marcos, TX has 3 bathrooms and 3,860 square feet of living space.

When was 4218 Day Dr, San Marcos, TX built?

4218 Day Dr, San Marcos, TX was built in 1984, making it 42 years old. The building has 2 stories.

What schools serve 4218 Day Dr, San Marcos, TX?

4218 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 B+. All sit in Comal Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4218 Day Dr, San Marcos, TX compare to other homes in San Marcos 78666?

Among the 22,692 homes in San Marcos 78666, it is worth more than 92% of them ($637,562 against a typical $325,682), its price per square foot is higher than 20% of them ($165 against a typical $196), it is bigger than 98% of them (3,860 ft² against a typical 1,659 ft²), its lot is bigger than 93% of them (5.73 ac against a typical 0.34 ac) and it is newer than 14% of them (1984 against a typical 2011). Measured against all of Comal County, it is worth more than 70% 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 4218 Day Dr, San Marcos, TX?

The 2025 property tax bill for 4218 Day Dr, San Marcos, TX was $2,520. The county assessed it at $390,080.

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