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Single Family ResidenceResidential
$301,957$209 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $300,000 on May 7, 2024

100 DEMASE ST

PORTLAND, TN 37148
2
Baths
1,444 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$302K
$281K low$323K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · May 7, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$890 (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.$62,625 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$43,875
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$62,625
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$250,500

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.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
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.Single Family Residence
CountySumner
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2000
Lot (acres)The size of the land the home sits on, from county records.0.23
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Footing
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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, Detached
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.Porch · 144 ft²

Transaction History(7)

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.

M
Portland East Middle SchoolB-
Middle · Grades 6–8 · 0.3 mi
E
J.W. Wiseman Elementary SchoolB-
Elementary · Grades PK–5 · 1.3 mi
H
Portland High SchoolC-
High · Grades 9–12 · 1.5 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

100 Demase 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.

  • Worth less than 83% of homes in Sumner County
  • Costs less per square foot than 73% of homes in Sumner County
  • Smaller than 71% of homes in Sumner County
  • Has a smaller lot than 95% of homes in Portland 37148
  • Older than 95% of homes in Sumner County

What homes are worth in Portland 37148

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

This home
$165K$843K

This home is worth more than 36% 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.

Estimated value$301,957
CheaperTypical $335,023Pricier

Pricier than 36% of homes nearby

Price per ft²$209
CheaperTypical $232Pricier

Pricier than 28% of homes nearby

Living area1,444 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.23 ac
SmallerTypical 1 acBigger

Bigger than 5% of homes nearby

Year built1950
OlderTypical 1998Newer

Newer than 9% of homes nearby

How 100 Demase St ranks against every home in each area.
MeasureThis homePortland 37148Sumner County
Estimated valuepricier than$301,95736% of homes17% of homes
Price per ft²pricier than$20928% of homes27% of homes
Living areabigger than1,444 ft²49% of homes29% of homes
Lot sizebigger than0.23 ac5% of homes15% of homes
Year builtnewer than19509% of homes5% of homes

About 100 Demase St

How much is 100 Demase St, Portland, TN worth?

The TopHap Estimate for 100 Demase St, Portland, TN is $301,957 as of Aug 30, 2026. The likely range is $281,391 to $322,523. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Demase St, Portland, TN last sell?

100 Demase St, Portland, TN last sold on May 7, 2024 for $300,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 100 Demase St, Portland, TN?

100 Demase St, Portland, TN has 2 bathrooms, 1,444 square feet of living space and a 0.23-acre lot.

When was 100 Demase St, Portland, TN built?

100 Demase St, Portland, TN was built in 1950, making it 76 years old. The building has 2 stories.

What schools serve 100 Demase St, Portland, TN?

100 Demase St, Portland, TN is assigned to Portland East Middle School (middle), rated B-; J.W. Wiseman Elementary School (elementary), rated B-; Portland High School (high), rated C-. All sit in Sumner County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Demase St, Portland, TN compare to other homes in Portland 37148?

Among the 9,883 homes in Portland 37148, it is worth more than 36% of them ($301,957 against a typical $335,023), its price per square foot is higher than 28% of them ($209 against a typical $232), it is bigger than 49% of them (1,444 ft² against a typical 1,456 ft²), its lot is bigger than 5% of them (0.23 ac against a typical 1 ac) and it is newer than 9% of them (1950 against a typical 1998). Measured against all of Sumner County, it is worth more than 17% 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 100 Demase St, Portland, TN?

The 2025 property tax bill for 100 Demase St, Portland, TN was $890. The county assessed it at $62,625.

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