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Single Family ResidenceResidential
$399,235$187 / 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 $10,700 on May 13, 1988

121C E ROBERTSON RD

CASTALIAN SPRINGS, TN 37031
2
Baths
2,135 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.
1.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$399K
$366K low$432K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$10,700 · May 13, 1988

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,532 (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.$107,825 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,875
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$107,825
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$431,300

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.
21
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.
95
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.

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.2008
Lot (acres)The size of the land the home sits on, from county records.1.16
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 552 ft²Patio · 552 ft²Porch · 755 ft²

Transaction History(2)

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
Joe Shafer Middle SchoolC-
Middle · Grades 6–8 · 6.2 mi
E
Benny Bills Elementary SchoolC+
Elementary · Grades PK–5 · 6.5 mi
H
Gallatin High SchoolB-
High · Grades 9–12 · 7.0 mi

District: Sumner County School District

Neighborhood · ZIP 37031These 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.80
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 100.55

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.4,596
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.108 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,333
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,448
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.54 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

121c E Robertson 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.

  • Costs less per square foot than 89% of homes in Sumner County
  • Bigger than 76% of homes in Castalian Springs 37031
  • Has a bigger lot than 72% of homes in Sumner County
  • Older than 67% of homes in Castalian Springs 37031

What homes are worth in Castalian Springs 37031

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

This home
$152K$982K

This home is worth more than 52% of homes in Castalian Springs 37031.

How it measures up in Castalian Springs 37031

The dot is this home. The mark in the middle is the typical home in Castalian Springs 37031.

Estimated value$399,235
CheaperTypical $395,947Pricier

Pricier than 52% of homes nearby

Price per ft²$187
CheaperTypical $225Pricier

Pricier than 16% of homes nearby

Living area2,135 ft²
SmallerTypical 1,707 ft²Bigger

Bigger than 76% of homes nearby

Lot size1.16 ac
SmallerTypical 1.62 acBigger

Bigger than 37% of homes nearby

Year built1990
OlderTypical 2000Newer

Newer than 33% of homes nearby

How 121c E Robertson Rd ranks against every home in each area.
MeasureThis homeCastalian Springs 37031Sumner County
Estimated valuepricier than$399,23552% of homes42% of homes
Price per ft²pricier than$18716% of homes11% of homes
Living areabigger than2,135 ft²76% of homes64% of homes
Lot sizebigger than1.16 ac37% of homes72% of homes
Year builtnewer than199033% of homes41% of homes

About 121c E Robertson Rd

How much is 121c E Robertson Rd, Castalian Springs, TN worth?

The TopHap Estimate for 121c E Robertson Rd, Castalian Springs, TN is $399,235 as of Sep 24, 2026. The likely range is $366,467 to $432,003. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121c E Robertson Rd, Castalian Springs, TN last sell?

121c E Robertson Rd, Castalian Springs, TN last sold on May 13, 1988 for $10,700, according to the county's recorded deed.

How big is 121c E Robertson Rd, Castalian Springs, TN?

121c E Robertson Rd, Castalian Springs, TN has 2 bathrooms, 2,135 square feet of living space and a 1.16-acre lot.

When was 121c E Robertson Rd, Castalian Springs, TN built?

121c E Robertson Rd, Castalian Springs, TN was built in 1990, making it 36 years old. The building has 2 stories.

What schools serve 121c E Robertson Rd, Castalian Springs, TN?

121c E Robertson Rd, Castalian Springs, TN is assigned to Joe Shafer Middle School (middle), rated C-; Benny Bills Elementary School (elementary), 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 121c E Robertson Rd, Castalian Springs, TN compare to other homes in Castalian Springs 37031?

Among the 1,975 homes in Castalian Springs 37031, it is worth more than 52% of them ($399,235 against a typical $395,947), its price per square foot is higher than 16% of them ($187 against a typical $225), it is bigger than 76% of them (2,135 ft² against a typical 1,707 ft²), its lot is bigger than 37% of them (1.16 ac against a typical 1.62 ac) and it is newer than 33% of them (1990 against a typical 2000). Measured against all of Sumner County, it is worth more than 42% 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 121c E Robertson Rd, Castalian Springs, TN?

The 2025 property tax bill for 121c E Robertson Rd, Castalian Springs, TN was $1,532. The county assessed it at $107,825.

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