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TownhouseResidential
$218,532$190 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $168,000 on May 8, 2020

531 GROVETHORN RD

MIDDLE RIVER, MD 21220
1
Baths
1,152 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.
1,926 ft²
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$219K
$207K low$230K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$168,000 · May 8, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,445 (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.$188,533 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$172,967
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$204,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.0.04
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
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 · 170 ft²Porch · 56 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.

Foreclosure Filings(2)

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

E
Hawthorne Elementary SchoolD-
Elementary · Grades PK–5 · 0.5 mi
M
Stemmers Run Middle SchoolD
Middle · Grades 6–8 · 1.2 mi
H
Kenwood High SchoolD-
High · Grades 9–12 · 1.6 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21220These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.43,388
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,388 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,236
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,046
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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

531 Grovethorn 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 87% of homes in Baltimore County
  • Costs less per square foot than 78% of homes in Baltimore County
  • Smaller than 77% of homes in Baltimore County
  • Has a smaller lot than 83% of homes in Baltimore County

What homes are worth in Middle River 21220

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

This home
$157K$864K

This home is worth more than 19% of homes in Middle River 21220.

How it measures up in Middle River 21220

The dot is this home. The mark in the middle is the typical home in Middle River 21220.

Estimated value$218,532
CheaperTypical $334,159Pricier

Pricier than 19% of homes nearby

Price per ft²$190
CheaperTypical $218Pricier

Pricier than 31% of homes nearby

Living area1,152 ft²
SmallerTypical 1,418 ft²Bigger

Bigger than 34% of homes nearby

Lot size1,926 ft²
SmallerTypical 0.13 acBigger

Bigger than 21% of homes nearby

Year built1969
OlderTypical 1980Newer

Newer than 45% of homes nearby

How 531 Grovethorn Rd ranks against every home in each area.
MeasureThis homeMiddle River 21220Baltimore County
Estimated valuepricier than$218,53219% of homes13% of homes
Price per ft²pricier than$19031% of homes22% of homes
Living areabigger than1,152 ft²34% of homes23% of homes
Lot sizebigger than1,926 ft²21% of homes17% of homes
Year builtnewer than196945% of homes55% of homes

About 531 Grovethorn Rd

How much is 531 Grovethorn Rd, Middle River, MD worth?

The TopHap Estimate for 531 Grovethorn Rd, Middle River, MD is $218,532 as of Aug 30, 2026. The likely range is $206,907 to $230,157. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 531 Grovethorn Rd, Middle River, MD last sell?

531 Grovethorn Rd, Middle River, MD last sold on May 8, 2020 for $168,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 531 Grovethorn Rd, Middle River, MD?

531 Grovethorn Rd, Middle River, MD has 1 bathrooms, 1,152 square feet of living space and a 0.04-acre lot.

When was 531 Grovethorn Rd, Middle River, MD built?

531 Grovethorn Rd, Middle River, MD was built in 1969, making it 57 years old. It is a townhouse home. The building has 2 stories.

What schools serve 531 Grovethorn Rd, Middle River, MD?

531 Grovethorn Rd, Middle River, MD is assigned to Hawthorne Elementary School (elementary), rated D-; Stemmers Run Middle School (middle), rated D; Kenwood High School (high), rated D-. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 531 Grovethorn Rd, Middle River, MD compare to other homes in Middle River 21220?

Among the 13,098 homes in Middle River 21220, it is worth more than 19% of them ($218,532 against a typical $334,159), its price per square foot is higher than 31% of them ($190 against a typical $218), it is bigger than 34% of them (1,152 ft² against a typical 1,418 ft²), its lot is bigger than 21% of them (1,926 ft² against a typical 0.13 ac) and it is newer than 45% of them (1969 against a typical 1980). Measured against all of Baltimore County, it is worth more than 13% 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 531 Grovethorn Rd, Middle River, MD?

The 2025 property tax bill for 531 Grovethorn Rd, Middle River, MD was $3,445. The county assessed it at $188,533.

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