Skip to content
Skip to content
TopHapOpen in map
TownhouseResidential
$439,000$360 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $435,000 on Oct 16, 2026

17551 AMITY DR

GAITHERSBURG, MD 20877
2.5
Baths
1,220 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.
1,911 ft²
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$439K
$410K low$468K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$435,000 · Oct 16, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,337 (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.$363,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$120,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$243,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$338,867
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$363,500

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
CountyMONTGOMERY
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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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 · 200 ft²

Transaction History(5)

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
Washington Grove Elementary SchoolC
Elementary · Grades PK–5 · 1.0 mi
M
Gaithersburg Middle SchoolD+
Middle · Grades 6–8 · 1.1 mi
H
Gaithersburg High SchoolD+
High · Grades 9–12 · 1.6 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20877These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.36

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.38,931
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,116 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,983
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,325
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%

Owner Tools

Do you own this home?
Claim this home

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

17551 Amity 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 76% of homes in Montgomery County
  • Costs more per square foot than 95% of homes in Gaithersburg 20877
  • Smaller than 83% of homes in Montgomery County
  • Has a smaller lot than 79% of homes in Montgomery County

What homes are worth in Gaithersburg 20877

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

This home
$156K$798K

This home is worth more than 46% of homes in Gaithersburg 20877.

How it measures up in Gaithersburg 20877

The dot is this home. The mark in the middle is the typical home in Gaithersburg 20877.

Estimated value$439,000
CheaperTypical $461,543Pricier

Pricier than 46% of homes nearby

Price per ft²$360
CheaperTypical $252Pricier

Pricier than 95% of homes nearby

Living area1,220 ft²
SmallerTypical 1,715 ft²Bigger

Bigger than 18% of homes nearby

Lot size1,911 ft²
SmallerTypical 4,008 ft²Bigger

Bigger than 32% of homes nearby

Year built1979
OlderTypical 1979Newer

Newer than 50% of homes nearby

How 17551 Amity Dr ranks against every home in each area.
MeasureThis homeGaithersburg 20877Montgomery County
Estimated valuepricier than$439,00046% of homes24% of homes
Price per ft²pricier than$36095% of homes72% of homes
Living areabigger than1,220 ft²18% of homes17% of homes
Lot sizebigger than1,911 ft²32% of homes21% of homes
Year builtnewer than197950% of homes51% of homes

About 17551 Amity Dr

How much is 17551 Amity Dr, Gaithersburg, MD worth?

The TopHap Estimate for 17551 Amity Dr, Gaithersburg, MD is $439,000 as of Oct 21, 2026. The likely range is $409,685 to $468,315. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17551 Amity Dr, Gaithersburg, MD last sell?

17551 Amity Dr, Gaithersburg, MD last sold on Oct 16, 2026 for $435,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 17551 Amity Dr, Gaithersburg, MD?

17551 Amity Dr, Gaithersburg, MD has 2.5 bathrooms, 1,220 square feet of living space and a 0.04-acre lot.

When was 17551 Amity Dr, Gaithersburg, MD built?

17551 Amity Dr, Gaithersburg, MD was built in 1979, making it 47 years old. It is a townhouse home. The building has 2 stories.

What schools serve 17551 Amity Dr, Gaithersburg, MD?

17551 Amity Dr, Gaithersburg, MD is assigned to Washington Grove Elementary School (elementary), rated C; Gaithersburg Middle School (middle), rated D+; Gaithersburg High School (high), rated D+. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17551 Amity Dr, Gaithersburg, MD compare to other homes in Gaithersburg 20877?

Among the 6,654 homes in Gaithersburg 20877, it is worth more than 46% of them ($439,000 against a typical $461,543), its price per square foot is higher than 95% of them ($360 against a typical $252), it is bigger than 18% of them (1,220 ft² against a typical 1,715 ft²), its lot is bigger than 32% of them (1,911 ft² against a typical 4,008 ft²) and it is newer than 50% of them (1979 against a typical 1979). Measured against all of Montgomery County, it is worth more than 24% 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 17551 Amity Dr, Gaithersburg, MD?

The 2025 property tax bill for 17551 Amity Dr, Gaithersburg, MD was $4,337. The county assessed it at $363,500.

More homes on Amity Dr

Closest homes

More homes in Gaithersburg 20877

Assigned schools

Explore the area

See this home in context

Open 17551 Amity Dr 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