Single Family ResidenceResidential
3915 PLUM ST
SAN MARCOS, TX 78666
0
Baths
2.48 ac
Lot SizeThe size of the land the home sits on, from county records.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$148 (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.$154,561 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$171,998
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,326
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$140,510
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$194,324
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGUADALUPE
PoolWhether the property has a pool, and what kind, such as in-ground.No
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%
Owner Tools
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Claim this homeData 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
3915 Plum St 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.
- Has a bigger lot than 95% of homes in Guadalupe County
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.
Lot size2.48 ac
SmallerTypical 0.34 acBigger
Bigger than 84% of homes nearby
| Measure | This home | San Marcos 78666 | Guadalupe County |
|---|---|---|---|
| Lot sizebigger than | 2.48 ac | 84% of homes | 95% of homes |
More homes on Plum St
- 4305 Plum St1,800 ft² · Sold Nov 2025
- 3905 Plum St1,347 ft² · Sold Oct 2024
- 3814 Plum St$192K496 ft² · Sold Jun 2024
- 4205 Plum St$364K2,040 ft² · Sold Jun 2023
- 4014 Plum St960 ft² · Sold $213K · Sep 2022
- Plum St2,112 ft² · Sold Jul 2020
- 4105 Plum St2.5 ac · Sold $63K · Feb 2020
- 4104 Plum St1,116 ft² · Sold $93K · May 2018
- 3601 Plum St1,660 ft² · Sold Mar 2018
- 3915 Plum St2.48 ac · Sold Mar 2015
- 4114 Plum St4 bd · 3 ba · 3,127 ft² · Sold Apr 2013
- 3804 Plum St$198K828 ft² · Sold $51K · Jun 2012
Closest homes
- 3915 Plum St$223K41 ft · 1,216 ft² · Sold Jan 1900
- 3915 Plum St41 ft · 2.48 ac · Sold Mar 2015
- 4004 Plum St$272K304 ft · 3 bd · 2 ba · 1,242 ft² · Sold Jan 1900
- 4010 Plum St$273K304 ft · 1,600 ft² · Sold Jan 1900
- 4008 Plum St$258K304 ft · 2 bd · 1 ba · 1,130 ft² · Sold Jan 1900
- 4005 Plum St$262K304 ft · 3 bd · 1 ba · 1,200 ft² · Sold Jan 1900
- 3905 Plum St299 ft · 1,347 ft² · Sold Oct 2024
- 3904 Plum St416 ft · 924 ft² · Sold Feb 2012
More homes in San Marcos 78666
- 2249 Garden Ct$390K2,571 ft² · Sold Sep 2026
- 510 Blanco River Ranch Rd$1.7M3,260 ft² · Sold Sep 2026
- 906 Gravel St$338K1,680 ft² · Sold Sep 2026
- 6802 S Old Bastrop Hwy1,382 ft² · Sold $889K · Sep 2026
- 817 Willow Creek Cir$498K2,398 ft² · Sold $253K · Sep 2026
- 421 Parker Dr$163K854 ft² · Sold Sep 2026
- 2030 Stonehaven$339K1,445 ft² · Sold $253K · Sep 2026
- 132 Sage Meadows Dr$295K3 bd · 2 ba · 1,929 ft² · Sold Sep 2026
- 120 Horsemint Way$299K2,167 ft² · Sold $288K · Sep 2026
- 404 Eagle Dr$340K1,657 ft² · Sold $202K · Sep 2026
- 121 Scott St$650K5,268 ft² · Sold Sep 2026
- 2224 Garden Ct$375K1,974 ft² · Sold Sep 2026
Explore the area
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