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CondominiumResidential
$394,019$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 98How 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 $235,000 on Aug 27, 2015

17645 AMITY DR

GAITHERSBURG, MD 20877
1
Baths
1,332 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.

Valuation

$394K
$384K low$404K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$235,000 · Aug 27, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,342 (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.$335,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$234,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$308,333
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$335,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.00
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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.

M
Shady Grove Middle SchoolC+
Middle · Grades 6–8 · 0.3 mi
E
Flower Hill Elementary SchoolC-
Elementary · Grades PK–5 · 1.0 mi
H
Col. Zadok Magruder High SchoolB-
High · Grades 9–12 · 2.8 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%

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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

17645 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 81% of homes in Montgomery County
  • Costs more per square foot than 76% of homes in Gaithersburg 20877
  • Smaller than 78% of homes in Montgomery County
  • Among the largest lots in Gaithersburg 20877
  • Older than 81% of homes in Gaithersburg 20877

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
$162K$804K

This home is worth more than 31% 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$394,019
CheaperTypical $469,900Pricier

Pricier than 31% of homes nearby

Price per ft²$296
CheaperTypical $259Pricier

Pricier than 76% of homes nearby

Living area1,332 ft²
SmallerTypical 1,696 ft²Bigger

Bigger than 27% of homes nearby

Lot size1 ac
SmallerTypical 4,051 ft²Bigger

Bigger than almost all homes nearby

Year built1968
OlderTypical 1980Newer

Newer than 19% of homes nearby

How 17645 Amity Dr ranks against every home in each area.
MeasureThis homeGaithersburg 20877Montgomery County
Estimated valuepricier than$394,01931% of homes19% of homes
Price per ft²pricier than$29676% of homes47% of homes
Living areabigger than1,332 ft²27% of homes22% of homes
Lot sizebigger than1 acalmost all homes95% of homes
Year builtnewer than196819% of homes36% of homes

About 17645 Amity Dr

How much is 17645 Amity Dr, Gaithersburg, MD worth?

The TopHap Estimate for 17645 Amity Dr, Gaithersburg, MD is $394,019 as of Sep 24, 2026. The likely range is $384,235 to $403,803. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17645 Amity Dr, Gaithersburg, MD last sell?

17645 Amity Dr, Gaithersburg, MD last sold on Aug 27, 2015 for $235,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 17645 Amity Dr, Gaithersburg, MD?

17645 Amity Dr, Gaithersburg, MD has 1 bathrooms, 1,332 square feet of living space and a 0.00-acre lot.

When was 17645 Amity Dr, Gaithersburg, MD built?

17645 Amity Dr, Gaithersburg, MD was built in 1968, making it 58 years old. It is a condo/apartment home.

What schools serve 17645 Amity Dr, Gaithersburg, MD?

17645 Amity Dr, Gaithersburg, MD is assigned to Shady Grove Middle School (middle), rated C+; Flower Hill Elementary School (elementary), rated C-; Col. Zadok Magruder High School (high), rated B-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17645 Amity Dr, Gaithersburg, MD compare to other homes in Gaithersburg 20877?

Among the 6,654 homes in Gaithersburg 20877, it is worth more than 31% of them ($394,019 against a typical $469,900), its price per square foot is higher than 76% of them ($296 against a typical $259), it is bigger than 27% of them (1,332 ft² against a typical 1,696 ft²), its lot is bigger than almost all of them (1 ac against a typical 4,051 ft²) and it is newer than 19% of them (1968 against a typical 1980). Measured against all of Montgomery County, it is worth more than 19% 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 17645 Amity Dr, Gaithersburg, MD?

The 2025 property tax bill for 17645 Amity Dr, Gaithersburg, MD was $3,342. The county assessed it at $335,000.

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