Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$618,632$150 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

421 RIVER BIRCH DR

LUMBERTON, TX 77657
0
Baths
4,114 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
2017
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$619K
$568K low$669K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,825 (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.$638,750 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,952
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$568,798
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$638,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$638,750

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.60
56
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
52
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.
67
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
CountyHardin
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.2022
Lot (acres)The size of the land the home sits on, from county records.0.38
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes

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.

M
Lumberton Middle SchoolB
Middle · Grades 6–8 · 0.4 mi
H
Lumberton High SchoolB
High · Grades 9–12 · 0.5 mi
E
Lumberton Primary School
Elementary · Grades 1–2 · 1.1 mi

District: Lumberton Independent School District

Neighborhood · ZIP 77657These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.19,735
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.318 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,703
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,143
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.58 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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

421 River Birch 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 98% of homes in Hardin County
  • Among the largest homes in Hardin County
  • Has a smaller lot than 68% of homes in Hardin County
  • Newer than 89% of homes in Hardin County

What homes are worth in Lumberton 77657

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

This home
$117K$714K

This home is worth more than 96% of homes in Lumberton 77657.

How it measures up in Lumberton 77657

The dot is this home. The mark in the middle is the typical home in Lumberton 77657.

Estimated value$618,632
CheaperTypical $285,000Pricier

Pricier than 96% of homes nearby

Price per ft²$150
CheaperTypical $151Pricier

Pricier than 48% of homes nearby

Living area4,114 ft²
SmallerTypical 1,730 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.38 ac
SmallerTypical 0.38 acBigger

Bigger than 50% of homes nearby

Year built2017
OlderTypical 2000Newer

Newer than 87% of homes nearby

How 421 River Birch Dr ranks against every home in each area.
MeasureThis homeLumberton 77657Hardin County
Estimated valuepricier than$618,63296% of homes98% of homes
Price per ft²pricier than$15048% of homes61% of homes
Living areabigger than4,114 ft²98% of homesalmost all homes
Lot sizebigger than0.38 ac50% of homes32% of homes
Year builtnewer than201787% of homes89% of homes

About 421 River Birch Dr

How much is 421 River Birch Dr, Lumberton, TX worth?

The TopHap Estimate for 421 River Birch Dr, Lumberton, TX is $618,632 as of Jul 14, 2026. The likely range is $568,090 to $669,174. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 River Birch Dr, Lumberton, TX last sell?

421 River Birch Dr, Lumberton, TX last sold on Apr 23, 2019, according to the county's recorded deed.

How big is 421 River Birch Dr, Lumberton, TX?

421 River Birch Dr, Lumberton, TX has 4,114 square feet of living space and a 0.38-acre lot.

When was 421 River Birch Dr, Lumberton, TX built?

421 River Birch Dr, Lumberton, TX was built in 2017, making it 9 years old. The building has 2 stories.

What schools serve 421 River Birch Dr, Lumberton, TX?

421 River Birch Dr, Lumberton, TX is assigned to Lumberton Middle School (middle), rated B; Lumberton High School (high), rated B; Lumberton Primary School (elementary). All sit in Lumberton Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 River Birch Dr, Lumberton, TX compare to other homes in Lumberton 77657?

Among the 9,440 homes in Lumberton 77657, it is worth more than 96% of them ($618,632 against a typical $285,000), its price per square foot is higher than 48% of them ($150 against a typical $151), it is bigger than 98% of them (4,114 ft² against a typical 1,730 ft²), its lot is bigger than 50% of them (0.38 ac against a typical 0.38 ac) and it is newer than 87% of them (2017 against a typical 2000). Measured against all of Hardin County, it is worth more than 98% 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 421 River Birch Dr, Lumberton, TX?

The 2025 property tax bill for 421 River Birch Dr, Lumberton, TX was $8,825. The county assessed it at $638,750.

More homes on River Birch Dr

Closest homes

More homes in Lumberton 77657

Assigned schools

Explore the area

See this home in context

Open 421 River Birch Dr 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