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Single Family ResidenceResidential
$239,143$151 / 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 95How 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
Last sold for $91,100 on Oct 2, 2019

5203 NAUTILUS LN

BAYTOWN, TX 77521
4
Beds
2
Baths
1,588 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$239K
$227K low$251K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$91,100 · Oct 2, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,319 (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.$249,413 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$47,725
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$201,688
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$240,779
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$249,413

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.0.29
ConstructionThe main material the home's frame and walls are built from.Brick
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
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.Primary
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 373 ft²Porch · 248 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(3)

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

E
Victoria Walker Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
M
Edwad Green Junior SchoolB-
Middle · Grades 6–8 · 1.0 mi
H
Goose Creek Memorial High SchoolC
High · Grades 9–12 · 1.2 mi

District: Goose Creek Consolidated Independent School District

Neighborhood · ZIP 77521These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.70,642
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,469 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,289
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,673
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.56 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

5203 Nautilus Ln 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 69% of homes in Harris County
  • Costs more per square foot than 72% of homes in Baytown 77521
  • Smaller than 67% of homes in Harris County
  • Has a bigger lot than 85% of homes in Harris County
  • Newer than 66% of homes in Harris County

What homes are worth in Baytown 77521

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

This home
$154K$522K

This home is worth more than 37% of homes in Baytown 77521.

How it measures up in Baytown 77521

The dot is this home. The mark in the middle is the typical home in Baytown 77521.

Estimated value$239,143
CheaperTypical $260,413Pricier

Pricier than 37% of homes nearby

Price per ft²$151
CheaperTypical $138Pricier

Pricier than 72% of homes nearby

Living area1,588 ft²
SmallerTypical 1,808 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.29 ac
SmallerTypical 0.17 acBigger

Bigger than 82% of homes nearby

Year built2002
OlderTypical 2001Newer

Newer than 53% of homes nearby

How 5203 Nautilus Ln ranks against every home in each area.
MeasureThis homeBaytown 77521Harris County
Estimated valuepricier than$239,14337% of homes31% of homes
Price per ft²pricier than$15172% of homes49% of homes
Living areabigger than1,588 ft²35% of homes33% of homes
Lot sizebigger than0.29 ac82% of homes85% of homes
Year builtnewer than200253% of homes66% of homes

About 5203 Nautilus Ln

How much is 5203 Nautilus Ln, Baytown, TX worth?

The TopHap Estimate for 5203 Nautilus Ln, Baytown, TX is $239,143 as of Sep 24, 2026. The likely range is $227,255 to $251,031. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5203 Nautilus Ln, Baytown, TX last sell?

5203 Nautilus Ln, Baytown, TX last sold on Oct 2, 2019 for $91,100, according to the county's recorded deed.

How big is 5203 Nautilus Ln, Baytown, TX?

5203 Nautilus Ln, Baytown, TX has 4 bedrooms, 2 bathrooms, 1,588 square feet of living space and a 0.29-acre lot.

When was 5203 Nautilus Ln, Baytown, TX built?

5203 Nautilus Ln, Baytown, TX was built in 2002, making it 24 years old. It is a traditional/old home. The building has 1 story.

What schools serve 5203 Nautilus Ln, Baytown, TX?

5203 Nautilus Ln, Baytown, TX is assigned to Victoria Walker Elementary School (elementary), rated C+; Edwad Green Junior School (middle), rated B-; Goose Creek Memorial High School (high), rated C. All sit in Goose Creek Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 5203 Nautilus Ln, Baytown, TX compare to other homes in Baytown 77521?

Among the 20,713 homes in Baytown 77521, it is worth more than 37% of them ($239,143 against a typical $260,413), its price per square foot is higher than 72% of them ($151 against a typical $138), it is bigger than 35% of them (1,588 ft² against a typical 1,808 ft²), its lot is bigger than 82% of them (0.29 ac against a typical 0.17 ac) and it is newer than 53% of them (2002 against a typical 2001). Measured against all of Harris County, it is worth more than 31% 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 5203 Nautilus Ln, Baytown, TX?

The 2025 property tax bill for 5203 Nautilus Ln, Baytown, TX was $4,319. The county assessed it at $249,413.

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