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Single Family ResidenceResidential
$188,205$120 / 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 90How 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

1803 MARLIN DR

PORTLAND, TX 78374
0
Baths
1,574 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
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

$188K
$169K low$208K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,682 (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.$179,247 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$127,947
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$203,017
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$179,247

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySAN PATRICIO
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Brick
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPatio · 280 ft²Porch · 96 ft²

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.

H
Gregory-Portland High SchoolB
High · Grades 9–12 · 0.8 mi
M
Gregory-Portland Middle SchoolB-
Middle · Grades 6–8 · 0.8 mi
E
W.C. Andrews Elementary SchoolB-
Elementary · Grades PK–5 · 1.1 mi

District: Gregory-Portland Independent School District

Neighborhood · ZIP 78374These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.19,125
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,027 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,664
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,237
Average tempThe average temperature here across a full year.72°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

1803 Marlin 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 less than 90% of homes in Portland 78374
  • Costs less per square foot than 91% of homes in Portland 78374

What homes are worth in Portland 78374

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

This home
$148K$762K

This home is worth more than 10% of homes in Portland 78374.

How it measures up in Portland 78374

The dot is this home. The mark in the middle is the typical home in Portland 78374.

Estimated value$188,205
CheaperTypical $264,517Pricier

Pricier than 10% of homes nearby

Price per ft²$120
CheaperTypical $159Pricier

Pricier than 9% of homes nearby

Living area1,574 ft²
SmallerTypical 1,731 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 42% of homes nearby

Year built1975
OlderTypical 1980Newer

Newer than 36% of homes nearby

How 1803 Marlin Dr ranks against every home in each area.
MeasureThis homePortland 78374San Patricio County
Estimated valuepricier than$188,20510% of homes40% of homes
Price per ft²pricier than$1209% of homes30% of homes
Living areabigger than1,574 ft²36% of homes58% of homes
Lot sizebigger than0.17 ac42% of homes37% of homes
Year builtnewer than197536% of homes45% of homes

About 1803 Marlin Dr

How much is 1803 Marlin Dr, Portland, TX worth?

The TopHap Estimate for 1803 Marlin Dr, Portland, TX is $188,205 as of Sep 24, 2026. The likely range is $168,604 to $207,806. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1803 Marlin Dr, Portland, TX last sell?

1803 Marlin Dr, Portland, TX last sold on Jun 10, 2014, according to the county's recorded deed.

How big is 1803 Marlin Dr, Portland, TX?

1803 Marlin Dr, Portland, TX has 1,574 square feet of living space and a 0.17-acre lot.

When was 1803 Marlin Dr, Portland, TX built?

1803 Marlin Dr, Portland, TX was built in 1975, making it 51 years old. The building has 1 story.

What schools serve 1803 Marlin Dr, Portland, TX?

1803 Marlin Dr, Portland, TX is assigned to Gregory-Portland High School (high), rated B; Gregory-Portland Middle School (middle), rated B-; W.C. Andrews Elementary School (elementary), rated B-. All sit in Gregory-Portland Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1803 Marlin Dr, Portland, TX compare to other homes in Portland 78374?

Among the 6,462 homes in Portland 78374, it is worth more than 10% of them ($188,205 against a typical $264,517), its price per square foot is higher than 9% of them ($120 against a typical $159), it is bigger than 36% of them (1,574 ft² against a typical 1,731 ft²), its lot is bigger than 42% of them (0.17 ac against a typical 0.18 ac) and it is newer than 36% of them (1975 against a typical 1980). Measured against all of San Patricio County, it is worth more than 40% 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 1803 Marlin Dr, Portland, TX?

The 2025 property tax bill for 1803 Marlin Dr, Portland, TX was $2,682. The county assessed it at $179,247.

More homes on Marlin Dr

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Assigned schools

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