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Single Family ResidenceResidential
$558,491$296 / 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 96How 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 $400,000 on May 22, 2017

20508 TOP RIDGE DR

BOYDS, MD 20841
2
Baths
1,888 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$558K
$536K low$581K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · May 22, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,364 (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.$455,500 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$403,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$507,100

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.30
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
34
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.197 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
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.46
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.Central
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.Carport (Unspecified)
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.Porch · 88 ft²

Transaction History(1)

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.

H
Seneca Valley High SchoolC
High · Grades 9–12 · 2.8 mi
E
William B. Gibbs Jr. Elementary SchoolA-
Elementary · Grades PK–5 · 2.8 mi
M
Neelsville Middle SchoolC-
Middle · Grades 6–8 · 3.7 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20841These 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.34
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
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.14,427
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.464 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,918
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$191,175
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

20508 Top Ridge Dr 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 83% of homes in Boyds 20841
  • Costs more per square foot than 83% of homes in Boyds 20841
  • Smaller than 85% of homes in Boyds 20841
  • Has a bigger lot than 88% of homes in Montgomery County
  • Older than 89% of homes in Boyds 20841

What homes are worth in Boyds 20841

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

This home
$232K$1.2M

This home is worth more than 17% of homes in Boyds 20841.

How it measures up in Boyds 20841

The dot is this home. The mark in the middle is the typical home in Boyds 20841.

Estimated value$558,491
CheaperTypical $856,564Pricier

Pricier than 17% of homes nearby

Price per ft²$296
CheaperTypical $247Pricier

Pricier than 83% of homes nearby

Living area1,888 ft²
SmallerTypical 3,377 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.46 ac
SmallerTypical 0.21 acBigger

Bigger than 80% of homes nearby

Year built1972
OlderTypical 2002Newer

Newer than 11% of homes nearby

How 20508 Top Ridge Dr ranks against every home in each area.
MeasureThis homeBoydsBoyds 20841Montgomery County
Estimated valuepricier than$558,49122% of homes17% of homes40% of homes
Price per ft²pricier than$29666% of homes83% of homes46% of homes
Living areabigger than1,888 ft²20% of homes15% of homes46% of homes
Lot sizebigger than0.46 ac41% of homes80% of homes88% of homes
Year builtnewer than197230% of homes11% of homes42% of homes

About 20508 Top Ridge Dr

How much is 20508 Top Ridge Dr, Boyds, MD worth?

The TopHap Estimate for 20508 Top Ridge Dr, Boyds, MD is $558,491 as of Sep 24, 2026. The likely range is $535,679 to $581,303. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20508 Top Ridge Dr, Boyds, MD last sell?

20508 Top Ridge Dr, Boyds, MD last sold on May 22, 2017 for $400,000, according to the county's recorded deed.

How big is 20508 Top Ridge Dr, Boyds, MD?

20508 Top Ridge Dr, Boyds, MD has 2 bathrooms, 1,888 square feet of living space and a 0.46-acre lot.

When was 20508 Top Ridge Dr, Boyds, MD built?

20508 Top Ridge Dr, Boyds, MD was built in 1972, making it 54 years old. It is a townhouse home. The building has 1 story.

What schools serve 20508 Top Ridge Dr, Boyds, MD?

20508 Top Ridge Dr, Boyds, MD is assigned to Seneca Valley High School (high), rated C; William B. Gibbs Jr. Elementary School (elementary), rated A-; Neelsville Middle School (middle), rated C-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20508 Top Ridge Dr, Boyds, MD compare to other homes in Boyds 20841?

Among the 3,098 homes in Boyds 20841, it is worth more than 17% of them ($558,491 against a typical $856,564), its price per square foot is higher than 83% of them ($296 against a typical $247), it is bigger than 15% of them (1,888 ft² against a typical 3,377 ft²), its lot is bigger than 80% of them (0.46 ac against a typical 0.21 ac) and it is newer than 11% of them (1972 against a typical 2002). Measured against all of Montgomery County, it is worth more than 40% 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 20508 Top Ridge Dr, Boyds, MD?

The 2025 property tax bill for 20508 Top Ridge Dr, Boyds, MD was $4,364. The county assessed it at $455,500.

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