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Single Family ResidenceResidential
$190,366$189 / 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 55How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $175,000 on Jul 31, 2015

870 ROCK SPRINGS RD

PORTLAND, TN 37148
3
Beds
2.5
Baths
1,008 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.
3.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$190K
$105K low$275K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,000 · Jul 31, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,050 (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.$73,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,325
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$38,575
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$73,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$295,600

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.65
95
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
27
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
89
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
21
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.135 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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.3.34
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.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

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

E
Bethpage Elementary SchoolA
Elementary · Grades PK–5 · 2.5 mi
M
Joe Shafer Middle SchoolC-
Middle · Grades 6–8 · 7.3 mi
H
Gallatin High SchoolB-
High · Grades 9–12 · 9.5 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

870 Rock Springs Rd 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 97% of homes in Sumner County
  • Costs less per square foot than 88% of homes in Sumner County
  • Smaller than 94% of homes in Sumner County
  • Has a bigger lot than 84% of homes in Sumner County
  • Older than 82% 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
$171K$842K

This home is worth more than 4% 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$190,366
CheaperTypical $335,113Pricier

Pricier than 4% of homes nearby

Price per ft²$189
CheaperTypical $230Pricier

Pricier than 16% of homes nearby

Living area1,008 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 9% of homes nearby

Lot size3.34 ac
SmallerTypical 1 acBigger

Bigger than 76% of homes nearby

Year built1970
OlderTypical 1998Newer

Newer than 20% of homes nearby

How 870 Rock Springs Rd ranks against every home in each area.
MeasureThis homePortland 37148Sumner County
Estimated valuepricier than$190,3664% of homes3% of homes
Price per ft²pricier than$18916% of homes12% of homes
Living areabigger than1,008 ft²9% of homes6% of homes
Lot sizebigger than3.34 ac76% of homes84% of homes
Year builtnewer than197020% of homes18% of homes

About 870 Rock Springs Rd

How much is 870 Rock Springs Rd, Portland, TN worth?

The TopHap Estimate for 870 Rock Springs Rd, Portland, TN is $190,366 as of Jul 14, 2026. The likely range is $105,237 to $275,495. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 870 Rock Springs Rd, Portland, TN last sell?

870 Rock Springs Rd, Portland, TN last sold on Jul 31, 2015 for $175,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 870 Rock Springs Rd, Portland, TN?

870 Rock Springs Rd, Portland, TN has 3 bedrooms, 2.5 bathrooms, 1,008 square feet of living space and a 3.34-acre lot.

When was 870 Rock Springs Rd, Portland, TN built?

870 Rock Springs Rd, Portland, TN was built in 1970, making it 56 years old. The building has 1 story.

What schools serve 870 Rock Springs Rd, Portland, TN?

870 Rock Springs Rd, Portland, TN is assigned to Bethpage Elementary School (elementary), rated A; Joe Shafer Middle School (middle), rated C-; Gallatin High School (high), rated B-. All sit in Sumner County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 870 Rock Springs Rd, Portland, TN compare to other homes in Portland 37148?

Among the 9,883 homes in Portland 37148, it is worth more than 4% of them ($190,366 against a typical $335,113), its price per square foot is higher than 16% of them ($189 against a typical $230), it is bigger than 9% of them (1,008 ft² against a typical 1,456 ft²), its lot is bigger than 76% of them (3.34 ac against a typical 1 ac) and it is newer than 20% of them (1970 against a typical 1998). Measured against all of Sumner County, it is worth more than 3% 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 870 Rock Springs Rd, Portland, TN?

The 2025 property tax bill for 870 Rock Springs Rd, Portland, TN was $1,050. The county assessed it at $73,900.

Closest homes

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Assigned schools

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