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Single Family ResidenceResidential
$1,044,190$593 / 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 Oct 21, 2026
Last sold for $930,000 on Sep 9, 2021

4520 AMHERST LN

BETHESDA, MD 20814
2.5
Baths
1,761 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$988K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$930,000 · Sep 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,373 (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.$981,700 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$934,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,028,500

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.Bi-Level
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.21
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.Garage, Attached
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 ft²Patio · 100 ft²Porch · 256 ft²

Transaction History(7)

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
Kensington - Parkwood Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
M
North Bethesda Middle SchoolA
Middle · Grades 6–8 · 2.0 mi
H
Walter Johnson High SchoolA-
High · Grades 9–12 · 2.2 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20814These 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.111
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 100.39

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.32,965
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,491 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$151,569
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$200,262
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

4520 Amherst Ln 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 more than 81% of homes in Montgomery County
  • Costs more per square foot than 97% of homes in Montgomery County
  • Has a bigger lot than 77% of homes in Bethesda 20814
  • Older than 90% of homes in Montgomery County

What homes are worth in Bethesda 20814

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

This home
$139K$3.4M

This home is worth more than 57% of homes in Bethesda 20814.

How it measures up in Bethesda 20814

The dot is this home. The mark in the middle is the typical home in Bethesda 20814.

Estimated value$1,044,190
CheaperTypical $944,272Pricier

Pricier than 57% of homes nearby

Price per ft²$593
CheaperTypical $415Pricier

Pricier than 82% of homes nearby

Living area1,761 ft²
SmallerTypical 1,847 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.21 ac
SmallerTypical 0.14 acBigger

Bigger than 77% of homes nearby

Year built1949
OlderTypical 1966Newer

Newer than 19% of homes nearby

How 4520 Amherst Ln ranks against every home in each area.
MeasureThis homeBethesda 20814Montgomery County
Estimated valuepricier than$1,044,19057% of homes81% of homes
Price per ft²pricier than$59382% of homes97% of homes
Living areabigger than1,761 ft²48% of homes41% of homes
Lot sizebigger than0.21 ac77% of homes62% of homes
Year builtnewer than194919% of homes10% of homes

About 4520 Amherst Ln

How much is 4520 Amherst Ln, Bethesda, MD worth?

The TopHap Estimate for 4520 Amherst Ln, Bethesda, MD is $1,044,190 as of Oct 21, 2026. The likely range is $987,615 to $1,100,765. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4520 Amherst Ln, Bethesda, MD last sell?

4520 Amherst Ln, Bethesda, MD last sold on Sep 9, 2021 for $930,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 4520 Amherst Ln, Bethesda, MD?

4520 Amherst Ln, Bethesda, MD has 2.5 bathrooms, 1,761 square feet of living space and a 0.21-acre lot.

When was 4520 Amherst Ln, Bethesda, MD built?

4520 Amherst Ln, Bethesda, MD was built in 1949, making it 77 years old. It is a bi-level home. The building has 2 stories.

What schools serve 4520 Amherst Ln, Bethesda, MD?

4520 Amherst Ln, Bethesda, MD is assigned to Kensington - Parkwood Elementary School (elementary), rated A+; North Bethesda Middle School (middle), rated A; Walter Johnson High School (high), rated A-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4520 Amherst Ln, Bethesda, MD compare to other homes in Bethesda 20814?

Among the 10,611 homes in Bethesda 20814, it is worth more than 57% of them ($1,044,190 against a typical $944,272), its price per square foot is higher than 82% of them ($593 against a typical $415), it is bigger than 48% of them (1,761 ft² against a typical 1,847 ft²), its lot is bigger than 77% of them (0.21 ac against a typical 0.14 ac) and it is newer than 19% of them (1949 against a typical 1966). Measured against all of Montgomery County, it is worth more than 81% 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 4520 Amherst Ln, Bethesda, MD?

The 2025 property tax bill for 4520 Amherst Ln, Bethesda, MD was $11,373. The county assessed it at $981,700.

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