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Duplex (2 Units, Any Combination)Residential
Last sold for $68,000 on Jun 3, 2021

421 COLLEGE ST

PORTLAND, TN 37148
6
Baths
2,574 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$68,000 · Jun 3, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,094 (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.$217,760 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,520
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$187,240
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$217,760
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$544,400

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
88
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
85
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.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountySumner
HeatingThe type of heating system in the home.Yes
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, Finished
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.Deck · 984 ft²Porch · 12 ft²

Transaction History(5)

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
Portland High SchoolB
High · Grades 9–12 · 0.5 mi
M
Portland West Middle SchoolB
Middle · Grades 6–8 · 0.5 mi
E
Portland Gateview Elementary SchoolC+
Elementary · Grades PK–5 · 2.0 mi

District: Sumner County School District

Neighborhood · ZIP 37148These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.27,877
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.204 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,584
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,302
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

421 College St 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.

  • Bigger than 93% of homes in Portland 37148
  • Has a smaller lot than 97% of homes in Portland 37148
  • Newer than 98% of homes in Portland 37148

How it measures up in Portland 37148

The dot is this home. The mark in the middle is the typical home in Portland 37148.

Living area2,574 ft²
SmallerTypical 1,458 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.19 ac
SmallerTypical 1 acBigger

Bigger than 3% of homes nearby

Year built2023
OlderTypical 1998Newer

Newer than 98% of homes nearby

How 421 College St ranks against every home in each area.
MeasureThis homePortland 37148Sumner County
Living areabigger than2,574 ft²93% of homes77% of homes
Lot sizebigger than0.19 ac3% of homes10% of homes
Year builtnewer than202398% of homes97% of homes

About 421 College St

When did 421 College St, Portland, TN last sell?

421 College St, Portland, TN last sold on Jun 3, 2021 for $68,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 421 College St, Portland, TN?

421 College St, Portland, TN has 6 bathrooms and 2,574 square feet of living space.

When was 421 College St, Portland, TN built?

421 College St, Portland, TN was built in 2023, making it 3 years old. The building has 2 stories.

What schools serve 421 College St, Portland, TN?

421 College St, Portland, TN is assigned to Portland High School (high), rated B; Portland West Middle School (middle), rated B; Portland Gateview Elementary School (elementary), rated C+. All sit in Sumner County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 College St, Portland, TN compare to other homes in Portland 37148?

Among the 9,883 homes in Portland 37148, it is bigger than 93% of them (2,574 ft² against a typical 1,458 ft²), its lot is bigger than 3% of them (0.19 ac against a typical 1 ac) and it is newer than 98% of them (2023 against a typical 1998). 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 College St, Portland, TN?

The 2025 property tax bill for 421 College St, Portland, TN was $3,094. The county assessed it at $217,760.

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