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Single Family ResidentialResidential
$27,097$31 / 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 77How 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 $9,000 on Mar 24, 2021

512 KNOWL ST

MARTINSVILLE, VA 24112
0
Baths
884 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.

Valuation

$27K
$21K low$33K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$9,000 · Mar 24, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$368 (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.$48,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$36,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$48,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyMartinsville City
Lot (acres)The size of the land the home sits on, from county records.0.17

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
Albert Harris Elementary SchoolD-
Elementary · Grades KG–5 · 0.7 mi
M
Martinsville Middle SchoolD+
Middle · Grades 6–8 · 0.9 mi
H
Martinsville High SchoolD
High · Grades 9–12 · 1.4 mi

District: Martinsville City Public Schools

Neighborhood · ZIP 24112These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
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.30,634
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.200 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$48,767
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$63,907
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

512 Knowl 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 98% of homes in Martinsville 24112
  • Costs less per square foot than 97% of homes in Martinsville 24112
  • Smaller than 89% of homes in Martinsville 24112
  • Has a smaller lot than 90% of homes in Martinsville 24112
  • Older than 96% of homes in Martinsville 24112

What homes are worth in Martinsville 24112

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

This home
$26K$429K

This home is worth more than 2% of homes in Martinsville 24112.

How it measures up in Martinsville 24112

The dot is this home. The mark in the middle is the typical home in Martinsville 24112.

Estimated value$27,097
CheaperTypical $115,018Pricier

Pricier than 2% of homes nearby

Price per ft²$31
CheaperTypical $91Pricier

Pricier than 3% of homes nearby

Living area884 ft²
SmallerTypical 1,272 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.17 ac
SmallerTypical 0.48 acBigger

Bigger than 10% of homes nearby

Year built1925
OlderTypical 1963Newer

Newer than 4% of homes nearby

How 512 Knowl St ranks against every home in each area.
MeasureThis homeMartinsville 24112Martinsville city County
Estimated valuepricier than$27,0972% of homes2% of homes
Price per ft²pricier than$313% of homes5% of homes
Living areabigger than884 ft²11% of homes15% of homes
Lot sizebigger than0.17 ac10% of homes16% of homes
Year builtnewer than19254% of homes6% of homes

About 512 Knowl St

How much is 512 Knowl St, Martinsville, VA worth?

The TopHap Estimate for 512 Knowl St, Martinsville, VA is $27,097 as of Sep 24, 2026. The likely range is $20,895 to $33,299. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 512 Knowl St, Martinsville, VA last sell?

512 Knowl St, Martinsville, VA last sold on Mar 24, 2021 for $9,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 512 Knowl St, Martinsville, VA?

512 Knowl St, Martinsville, VA has 884 square feet of living space and a 0.17-acre lot.

When was 512 Knowl St, Martinsville, VA built?

512 Knowl St, Martinsville, VA was built in 1925, making it 101 years old.

What schools serve 512 Knowl St, Martinsville, VA?

512 Knowl St, Martinsville, VA is assigned to Albert Harris Elementary School (elementary), rated D-; Martinsville Middle School (middle), rated D+; Martinsville High School (high), rated D. All sit in Martinsville City Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 512 Knowl St, Martinsville, VA compare to other homes in Martinsville 24112?

Among the 13,261 homes in Martinsville 24112, it is worth more than 2% of them ($27,097 against a typical $115,018), its price per square foot is higher than 3% of them ($31 against a typical $91), it is bigger than 11% of them (884 ft² against a typical 1,272 ft²), its lot is bigger than 10% of them (0.17 ac against a typical 0.48 ac) and it is newer than 4% of them (1925 against a typical 1963). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 512 Knowl St, Martinsville, VA?

The 2025 property tax bill for 512 Knowl St, Martinsville, VA was $368. The county assessed it at $48,800.

More homes on Knowl St

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Assigned schools

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