Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$175,024$159 / 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 81How 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 $195,000 on Aug 10, 2026

421 MARTIN RD

ROCKWOOD, TN 37854
1
Baths
1,104 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.
1.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$175K
$142K low$208K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$195,000 · Aug 10, 2026
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$196,969
6.49% 2 · recorded Aug 10, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$628 (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.$41,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,550
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$36,350
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$24,150
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$167,600

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.46
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyROANE
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.1993
Lot (acres)The size of the land the home sits on, from county records.1.40
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.Package
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
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.Shed · 180 ft²Porch · 240 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.

E
Ridge View Elementary SchoolB-
Elementary · Grades PK–5 · 0.6 mi
M
Rockwood Middle SchoolC-
Middle · Grades 6–8 · 1.7 mi
H
Rockwood High SchoolC
High · Grades 9–12 · 1.8 mi

District: Roane County School District

Neighborhood · ZIP 37854These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.121

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.4%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.12,947
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.83 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,393
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$73,174
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.61 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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 Martin 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 79% of homes in Roane County
  • Costs less per square foot than 67% of homes in Roane County
  • Smaller than 79% of homes in Roane County
  • Has a bigger lot than 67% of homes in Rockwood 37854

What homes are worth in Rockwood 37854

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

This home
$59K$1.3M

This home is worth more than 36% of homes in Rockwood 37854.

How it measures up in Rockwood 37854

The dot is this home. The mark in the middle is the typical home in Rockwood 37854.

Estimated value$175,024
CheaperTypical $218,322Pricier

Pricier than 36% of homes nearby

Price per ft²$159
CheaperTypical $159Pricier

Pricier than 50% of homes nearby

Living area1,104 ft²
SmallerTypical 1,356 ft²Bigger

Bigger than 28% of homes nearby

Lot size1.4 ac
SmallerTypical 0.82 acBigger

Bigger than 67% of homes nearby

Year built1977
OlderTypical 1978Newer

Newer than 48% of homes nearby

How 421 Martin Rd ranks against every home in each area.
MeasureThis homeRockwood 37854Roane County
Estimated valuepricier than$175,02436% of homes21% of homes
Price per ft²pricier than$15950% of homes33% of homes
Living areabigger than1,104 ft²28% of homes21% of homes
Lot sizebigger than1.4 ac67% of homes67% of homes
Year builtnewer than197748% of homes45% of homes

About 421 Martin Rd

How much is 421 Martin Rd, Rockwood, TN worth?

The TopHap Estimate for 421 Martin Rd, Rockwood, TN is $175,024 as of Jul 14, 2026. The likely range is $142,183 to $207,865. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Martin Rd, Rockwood, TN last sell?

421 Martin Rd, Rockwood, TN last sold on Aug 10, 2026 for $195,000, according to the county's recorded deed.

How big is 421 Martin Rd, Rockwood, TN?

421 Martin Rd, Rockwood, TN has 1 bathrooms, 1,104 square feet of living space and a 1.40-acre lot.

When was 421 Martin Rd, Rockwood, TN built?

421 Martin Rd, Rockwood, TN was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 421 Martin Rd, Rockwood, TN?

421 Martin Rd, Rockwood, TN is assigned to Ridge View Elementary School (elementary), rated B-; Rockwood Middle School (middle), rated C-; Rockwood High School (high), rated C. All sit in Roane County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Martin Rd, Rockwood, TN compare to other homes in Rockwood 37854?

Among the 5,760 homes in Rockwood 37854, it is worth more than 36% of them ($175,024 against a typical $218,322), its price per square foot is higher than 50% of them ($159 against a typical $159), it is bigger than 28% of them (1,104 ft² against a typical 1,356 ft²), its lot is bigger than 67% of them (1.4 ac against a typical 0.82 ac) and it is newer than 48% of them (1977 against a typical 1978). Measured against all of Roane County, it is worth more than 21% 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 421 Martin Rd, Rockwood, TN?

The 2025 property tax bill for 421 Martin Rd, Rockwood, TN was $628. The county assessed it at $41,900.

Closest homes

More homes in Rockwood 37854

Assigned schools

Explore the area

See this home in context

Open 421 Martin Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map