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Single Family ResidenceResidential
$208,550$144 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

603 W MAHAN ST

RICHWOOD, TX 77531
1
Baths
1,449 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
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

$209K
$195K low$222K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,821 (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.$206,380 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,990
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$173,390
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$199,318
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$206,380

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.86 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.81%

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
CountyBrazoria
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.2000
Lot (acres)The size of the land the home sits on, from county records.0.26
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.Electric
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 628 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Gladys Polk Elementary SchoolA
Elementary · Grades PK–4 · 0.4 mi
H
Brazoswood High SchoolC
High · Grades 9–12 · 2.3 mi
M
Clute Intermediate SchoolC-
Middle · Grades 5–8 · 2.7 mi

District: Brazosport Independent School District

Neighborhood · ZIP 77531These 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.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
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.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.16,727
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.828 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,283
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,350
Average tempThe average temperature here across a full year.70°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

603 W Mahan 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.

  • Worth less than 85% of homes in Brazoria County
  • Costs less per square foot than 69% of homes in Brazoria County
  • Smaller than 73% of homes in Brazoria County
  • Older than 76% of homes in Brazoria County

What homes are worth in Clute 77531

Each bar is how many homes fall in that price range. The marker is this home.

This home
$95K$439K

This home is worth more than 44% of homes in Clute 77531.

How it measures up in Clute 77531

The dot is this home. The mark in the middle is the typical home in Clute 77531.

Estimated value$208,550
CheaperTypical $219,615Pricier

Pricier than 44% of homes nearby

Price per ft²$144
CheaperTypical $136Pricier

Pricier than 61% of homes nearby

Living area1,449 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.26 ac
SmallerTypical 0.24 acBigger

Bigger than 55% of homes nearby

Year built1977
OlderTypical 1978Newer

Newer than 49% of homes nearby

How 603 W Mahan St ranks against every home in each area.
MeasureThis homeClute 77531Brazoria County
Estimated valuepricier than$208,55044% of homes15% of homes
Price per ft²pricier than$14461% of homes31% of homes
Living areabigger than1,449 ft²41% of homes27% of homes
Lot sizebigger than0.26 ac55% of homes60% of homes
Year builtnewer than197749% of homes24% of homes

About 603 W Mahan St

How much is 603 W Mahan St, Richwood, TX worth?

The TopHap Estimate for 603 W Mahan St, Richwood, TX is $208,550 as of Sep 24, 2026. The likely range is $195,009 to $222,091. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 603 W Mahan St, Richwood, TX last sell?

603 W Mahan St, Richwood, TX last sold on Nov 8, 2006, according to the county's recorded deed.

How big is 603 W Mahan St, Richwood, TX?

603 W Mahan St, Richwood, TX has 1 bathrooms, 1,449 square feet of living space and a 0.26-acre lot.

When was 603 W Mahan St, Richwood, TX built?

603 W Mahan St, Richwood, TX was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 603 W Mahan St, Richwood, TX?

603 W Mahan St, Richwood, TX is assigned to Gladys Polk Elementary School (elementary), rated A; Brazoswood High School (high), rated C; Clute Intermediate School (middle), rated C-. All sit in Brazosport Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 603 W Mahan St, Richwood, TX compare to other homes in Clute 77531?

Among the 4,351 homes in Clute 77531, it is worth more than 44% of them ($208,550 against a typical $219,615), its price per square foot is higher than 61% of them ($144 against a typical $136), it is bigger than 41% of them (1,449 ft² against a typical 1,584 ft²), its lot is bigger than 55% of them (0.26 ac against a typical 0.24 ac) and it is newer than 49% of them (1977 against a typical 1978). Measured against all of Brazoria County, it is worth more than 15% 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 603 W Mahan St, Richwood, TX?

The 2024 property tax bill for 603 W Mahan St, Richwood, TX was $2,821. The county assessed it at $206,380.

More homes on W Mahan St

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