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Single Family ResidenceResidential
$707,210$188 / 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 Jul 14, 2026
Last sold for $266,300 on Aug 14, 2007

19421 RIVERWALK DR

PORTER, TX 77365
3
Baths
3,766 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.
1.25 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$707K
$668K low$747K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$266,300 · Aug 14, 2007
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$397,810
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$318,248
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.44%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$184,000
BANK OF AMERICA · recorded Dec 4, 2015
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$125,400
BANK OF AMERICA NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,863 (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.$594,938 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$125,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$469,938
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$562,991
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$594,938

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.15 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.''

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
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.1.25
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Front
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 617 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

H
Porter High SchoolC+
High · Grades 9–12 · 1.7 mi
E
Sorters Mill Elementary SchoolC+
Elementary · Grades PK–5 · 1.8 mi
M
White Oak Middle SchoolC
Middle · Grades 6–8 · 3.1 mi

District: New Caney Independent School District

Neighborhood · ZIP 77365These 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.74
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.49,184
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,325 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,007
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,164
Average tempThe average temperature here across a full year.68°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

19421 Riverwalk 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 95% of homes in Porter 77365
  • Costs more per square foot than 81% of homes in Porter 77365
  • Bigger than 96% of homes in Porter 77365
  • Has a bigger lot than 91% of homes in Porter 77365

What homes are worth in Porter 77365

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

This home
$147K$834K

This home is worth more than 95% of homes in Porter 77365.

How it measures up in Porter 77365

The dot is this home. The mark in the middle is the typical home in Porter 77365.

Estimated value$707,210
CheaperTypical $318,754Pricier

Pricier than 95% of homes nearby

Price per ft²$188
CheaperTypical $156Pricier

Pricier than 81% of homes nearby

Living area3,766 ft²
SmallerTypical 1,936 ft²Bigger

Bigger than 96% of homes nearby

Lot size1.25 ac
SmallerTypical 0.22 acBigger

Bigger than 91% of homes nearby

Year built2005
OlderTypical 2009Newer

Newer than 40% of homes nearby

How 19421 Riverwalk Dr ranks against every home in each area.
MeasureThis homePorter 77365Montgomery County
Estimated valuepricier than$707,21095% of homes84% of homes
Price per ft²pricier than$18881% of homes57% of homes
Living areabigger than3,766 ft²96% of homes92% of homes
Lot sizebigger than1.25 ac91% of homes86% of homes
Year builtnewer than200540% of homes53% of homes

About 19421 Riverwalk Dr

How much is 19421 Riverwalk Dr, Porter, TX worth?

The TopHap Estimate for 19421 Riverwalk Dr, Porter, TX is $707,210 as of Jul 14, 2026. The likely range is $667,736 to $746,684. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 19421 Riverwalk Dr, Porter, TX last sell?

19421 Riverwalk Dr, Porter, TX last sold on Aug 14, 2007 for $266,300, according to the county's recorded deed.

How big is 19421 Riverwalk Dr, Porter, TX?

19421 Riverwalk Dr, Porter, TX has 3 bathrooms, 3,766 square feet of living space and a 1.25-acre lot.

When was 19421 Riverwalk Dr, Porter, TX built?

19421 Riverwalk Dr, Porter, TX was built in 2005, making it 21 years old. It is a conventional home. The building has 1 story.

What schools serve 19421 Riverwalk Dr, Porter, TX?

19421 Riverwalk Dr, Porter, TX is assigned to Porter High School (high), rated C+; Sorters Mill Elementary School (elementary), rated C+; White Oak Middle School (middle), rated C. All sit in New Caney Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 19421 Riverwalk Dr, Porter, TX compare to other homes in Porter 77365?

Among the 17,398 homes in Porter 77365, it is worth more than 95% of them ($707,210 against a typical $318,754), its price per square foot is higher than 81% of them ($188 against a typical $156), it is bigger than 96% of them (3,766 ft² against a typical 1,936 ft²), its lot is bigger than 91% of them (1.25 ac against a typical 0.22 ac) and it is newer than 40% of them (2005 against a typical 2009). Measured against all of Montgomery County, it is worth more than 84% 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 19421 Riverwalk Dr, Porter, TX?

The 2024 property tax bill for 19421 Riverwalk Dr, Porter, TX was $8,863. The county assessed it at $594,938.

Closest homes

More homes in Porter 77365

Assigned schools

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