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Single Family ResidenceResidential
$313,891$169 / 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 Sep 24, 2026
Last sold for $183,300 on Oct 5, 2007

318 SAN MATEO

PORTLAND, TX 78374
0
Baths
1,862 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
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

$314K
$290K low$338K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$183,300 · Oct 5, 2007

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$306,312 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,778
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$235,534
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$319,804
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$306,312

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.40
20
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
42
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
97
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
44
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
1
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.3 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
CountySAN PATRICIO
Lot (acres)The size of the land the home sits on, from county records.0.21
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.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 · 56 ft²Porch · 20 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.

Foreclosure Filings(1)

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

M
Gregory-Portland Middle SchoolB+
Middle · Grades 6–8 · 1.3 mi
H
Gregory-Portland High SchoolC+
High · Grades 9–12 · 1.5 mi
E
Stephen F. Austin Elementary SchoolB
Elementary · Grades PK–5 · 1.7 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

318 San Mateo 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 79% of homes in San Patricio County
  • Costs more per square foot than 70% of homes in San Patricio County
  • Bigger than 74% of homes in San Patricio County
  • Has a bigger lot than 72% of homes in Portland 78374
  • Newer than 84% of homes in San Patricio County

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
$147K$751K

This home is worth more than 69% 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$313,891
CheaperTypical $265,013Pricier

Pricier than 69% of homes nearby

Price per ft²$169
CheaperTypical $159Pricier

Pricier than 64% of homes nearby

Living area1,862 ft²
SmallerTypical 1,738 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.21 ac
SmallerTypical 0.18 acBigger

Bigger than 72% of homes nearby

Year built2007
OlderTypical 1980Newer

Newer than 80% of homes nearby

How 318 San Mateo ranks against every home in each area.
MeasureThis homePortland 78374San Patricio County
Estimated valuepricier than$313,89169% of homes79% of homes
Price per ft²pricier than$16964% of homes70% of homes
Living areabigger than1,862 ft²59% of homes74% of homes
Lot sizebigger than0.21 ac72% of homes50% of homes
Year builtnewer than200780% of homes84% of homes

About 318 San Mateo

How much is 318 San Mateo, Portland, TX worth?

The TopHap Estimate for 318 San Mateo, Portland, TX is $313,891 as of Sep 24, 2026. The likely range is $290,082 to $337,700. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 318 San Mateo, Portland, TX last sell?

318 San Mateo, Portland, TX last sold on Oct 5, 2007 for $183,300, according to the county's recorded deed.

How big is 318 San Mateo, Portland, TX?

318 San Mateo, Portland, TX has 1,862 square feet of living space and a 0.21-acre lot.

When was 318 San Mateo, Portland, TX built?

318 San Mateo, Portland, TX was built in 2007, making it 19 years old. The building has 1 story.

What schools serve 318 San Mateo, Portland, TX?

318 San Mateo, Portland, TX is assigned to Gregory-Portland Middle School (middle), rated B+; Gregory-Portland High School (high), rated C+; Stephen F. Austin 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 318 San Mateo, Portland, TX compare to other homes in Portland 78374?

Among the 6,462 homes in Portland 78374, it is worth more than 69% of them ($313,891 against a typical $265,013), its price per square foot is higher than 64% of them ($169 against a typical $159), it is bigger than 59% of them (1,862 ft² against a typical 1,738 ft²), its lot is bigger than 72% of them (0.21 ac against a typical 0.18 ac) and it is newer than 80% of them (2007 against a typical 1980). Measured against all of San Patricio County, it is worth more than 79% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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