Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential

3709 MAINER ST

HOUSTON, TX 77021
3
Beds
2.5
Baths
1,956 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.
2,500 ft²
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.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,465 (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.$210,092 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,342
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$114,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$210,092

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyHARRIS
Lot (acres)The size of the land the home sits on, from county records.0.06
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPorch · 88 ft²

Neighborhood · ZIP 77021These 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.160
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.28%
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.29,813
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,985 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,952
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,937
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

Do you own this home?
Claim this home

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

3709 Mainer 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.

  • Bigger than 85% of homes in Greater OST / South Union
  • Has a smaller lot than 94% of homes in Harris County
  • Among the newest homes in Greater OST / South Union

How it measures up in Houston 77021

The dot is this home. The mark in the middle is the typical home in Houston 77021.

Living area1,956 ft²
SmallerTypical 1,498 ft²Bigger

Bigger than 73% of homes nearby

Lot size2,500 ft²
SmallerTypical 0.15 acBigger

Bigger than 12% of homes nearby

Year built2024
OlderTypical 1951Newer

Newer than almost all homes nearby

How 3709 Mainer St ranks against every home in each area.
MeasureThis homeGreater OST / South UnionHouston 77021Harris County
Living areabigger than1,956 ft²85% of homes73% of homes53% of homes
Lot sizebigger than2,500 ft²11% of homes12% of homes6% of homes
Year builtnewer than2024almost all homesalmost all homesalmost all homes

About 3709 Mainer St

When did 3709 Mainer St, Houston, TX last sell?

3709 Mainer St, Houston, TX last sold on Jan 14, 2026, according to the county's recorded deed.

How big is 3709 Mainer St, Houston, TX?

3709 Mainer St, Houston, TX has 3 bedrooms, 2.5 bathrooms, 1,956 square feet of living space and a 0.06-acre lot.

When was 3709 Mainer St, Houston, TX built?

3709 Mainer St, Houston, TX was built in 2024, making it 2 years old. It is a traditional/old home. The building has 1 story.

How does 3709 Mainer St, Houston, TX compare to other homes in Houston 77021?

Among the 8,203 homes in Houston 77021, it is bigger than 73% of them (1,956 ft² against a typical 1,498 ft²), its lot is bigger than 12% of them (2,500 ft² against a typical 0.15 ac) and it is newer than almost all of them (2024 against a typical 1951). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3709 Mainer St, Houston, TX?

The 2025 property tax bill for 3709 Mainer St, Houston, TX was $4,465. The county assessed it at $210,092.

More homes on Mainer St

Closest homes

More homes in Houston 77021

Explore the area

See this home in context

Open 3709 Mainer St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map