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Single Family ResidenceResidential
$3,070,146$542 / 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 $3,000,000 on Jan 9, 2023

9421 THATCHBAY CT

COLLEGE GROVE, TN 37046
0
Baths
5,664 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.
0.56 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$3.1M
$2.8M low$3.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,000,000 · Jan 9, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,133 (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.$779,425 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$684,425
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$779,425
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,117,700

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.19
43
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
29
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.9 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
CountyWilliamson
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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.Yes

Transaction History(3)

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
College Grove Elementary SchoolA+
Elementary · Grades KG–5 · 2.1 mi
H
Page High SchoolA+
High · Grades 9–12 · 4.0 mi
M
Page Middle SchoolB
Middle · Grades 6–8 · 4.2 mi

District: Williamson County School District

Neighborhood · ZIP 37046These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.135
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.7,029
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.99 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$135,133
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$200,616
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.55 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

Owner Tools

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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

9421 Thatchbay Ct 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 98% of homes in Williamson County
  • Costs more per square foot than 92% of homes in Williamson County
  • Bigger than 97% of homes in Williamson County
  • Has a bigger lot than 80% of homes in The Grove
  • Newer than 91% of homes in Williamson County

What homes are worth in College Grove 37046

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

This home
$344K$5.7M

This home is worth more than 89% of homes in College Grove 37046.

How it measures up in College Grove 37046

The dot is this home. The mark in the middle is the typical home in College Grove 37046.

Estimated value$3,070,146
CheaperTypical $1,235,000Pricier

Pricier than 89% of homes nearby

Price per ft²$542
CheaperTypical $412Pricier

Pricier than 74% of homes nearby

Living area5,664 ft²
SmallerTypical 3,203 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.56 ac
SmallerTypical 1.04 acBigger

Bigger than 43% of homes nearby

Year built2020
OlderTypical 2015Newer

Newer than 77% of homes nearby

How 9421 Thatchbay Ct ranks against every home in each area.
MeasureThis homeThe GroveCollege Grove 37046Williamson County
Estimated valuepricier than$3,070,14667% of homes89% of homes98% of homes
Price per ft²pricier than$54251% of homes74% of homes92% of homes
Living areabigger than5,664 ft²74% of homes93% of homes97% of homes
Lot sizebigger than0.56 ac80% of homes43% of homes63% of homes
Year builtnewer than202063% of homes77% of homes91% of homes

About 9421 Thatchbay Ct

How much is 9421 Thatchbay Ct, College Grove, TN worth?

The TopHap Estimate for 9421 Thatchbay Ct, College Grove, TN is $3,070,146 as of Sep 24, 2026. The likely range is $2,815,076 to $3,325,216. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9421 Thatchbay Ct, College Grove, TN last sell?

9421 Thatchbay Ct, College Grove, TN last sold on Jan 9, 2023 for $3,000,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 9421 Thatchbay Ct, College Grove, TN built?

9421 Thatchbay Ct, College Grove, TN was built in 2020, making it 6 years old. The building has 2 stories.

What schools serve 9421 Thatchbay Ct, College Grove, TN?

9421 Thatchbay Ct, College Grove, TN is assigned to College Grove Elementary School (elementary), rated A+; Page High School (high), rated A+; Page Middle School (middle), rated B. All sit in Williamson County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9421 Thatchbay Ct, College Grove, TN compare to other homes in College Grove 37046?

Among the 3,193 homes in College Grove 37046, it is worth more than 89% of them ($3,070,146 against a typical $1,235,000), its price per square foot is higher than 74% of them ($542 against a typical $412), it is bigger than 93% of them (5,664 ft² against a typical 3,203 ft²), its lot is bigger than 43% of them (0.56 ac against a typical 1.04 ac) and it is newer than 77% of them (2020 against a typical 2015). Measured against all of Williamson County, it is worth more than 98% 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 9421 Thatchbay Ct, College Grove, TN?

The 2025 property tax bill for 9421 Thatchbay Ct, College Grove, TN was $10,133. The county assessed it at $779,425.

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