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Single Family ResidenceResidential
$1,022,455$372 / 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 92How 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 $857,337 on Dec 28, 2023

820 GRAYSON LN

AMBLER, PA 19002
3
Beds
2.5
Baths
2,751 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.
1,910 ft²
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1M
$936K 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.$857,337 · Dec 28, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,946 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$302,680 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$302,680

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.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
38
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.0.04
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood / Spot

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
Upper Dublin High SchoolA+
High · Grades 9–12 · 0.6 mi
E
Fort Washington Elementary SchoolA+
Elementary · Grades KG–5 · 0.7 mi
M
Sandy Run Middle SchoolA
Middle · Grades 6–8 · 2.8 mi

District: Upper Dublin School District

Neighborhood · ZIP 19002These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
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.1.0%
PopulationHow many people live in this area.36,861
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,678 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,744
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$171,064
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

820 Grayson 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 92% of homes in Montgomery County
  • Costs more per square foot than 96% of homes in Upper Dublin
  • Bigger than 75% of homes in Montgomery County
  • Has a smaller lot than 91% of homes in Ambler 19002
  • Among the newest homes in Upper Dublin

What homes are worth in Ambler 19002

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

This home
$291K$1.8M

This home is worth more than 79% of homes in Ambler 19002.

How it measures up in Ambler 19002

The dot is this home. The mark in the middle is the typical home in Ambler 19002.

Estimated value$1,022,455
CheaperTypical $716,153Pricier

Pricier than 79% of homes nearby

Price per ft²$372
CheaperTypical $282Pricier

Pricier than 93% of homes nearby

Living area2,751 ft²
SmallerTypical 2,483 ft²Bigger

Bigger than 59% of homes nearby

Lot size1,910 ft²
SmallerTypical 0.38 acBigger

Bigger than 9% of homes nearby

Year built2023
OlderTypical 1977Newer

Newer than 98% of homes nearby

How 820 Grayson Ln ranks against every home in each area.
MeasureThis homeUpper DublinAmbler 19002Montgomery County
Estimated valuepricier than$1,022,45590% of homes79% of homes92% of homes
Price per ft²pricier than$37296% of homes93% of homes95% of homes
Living areabigger than2,751 ft²61% of homes59% of homes75% of homes
Lot sizebigger than1,910 ft²10% of homes9% of homes13% of homes
Year builtnewer than2023almost all homes98% of homesalmost all homes

About 820 Grayson Ln

How much is 820 Grayson Ln, Ambler, PA worth?

The TopHap Estimate for 820 Grayson Ln, Ambler, PA is $1,022,455 as of Sep 24, 2026. The likely range is $936,100 to $1,108,810. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 820 Grayson Ln, Ambler, PA last sell?

820 Grayson Ln, Ambler, PA last sold on Dec 28, 2023 for $857,337, according to the county's recorded deed.

How big is 820 Grayson Ln, Ambler, PA?

820 Grayson Ln, Ambler, PA has 3 bedrooms, 2.5 bathrooms, 2,751 square feet of living space and a 0.04-acre lot.

When was 820 Grayson Ln, Ambler, PA built?

820 Grayson Ln, Ambler, PA was built in 2023, making it 3 years old. It is a townhouse home. The building has 2 stories.

What schools serve 820 Grayson Ln, Ambler, PA?

820 Grayson Ln, Ambler, PA is assigned to Upper Dublin High School (high), rated A+; Fort Washington Elementary School (elementary), rated A+; Sandy Run Middle School (middle), rated A. All sit in Upper Dublin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 820 Grayson Ln, Ambler, PA compare to other homes in Ambler 19002?

Among the 11,407 homes in Ambler 19002, it is worth more than 79% of them ($1,022,455 against a typical $716,153), its price per square foot is higher than 93% of them ($372 against a typical $282), it is bigger than 59% of them (2,751 ft² against a typical 2,483 ft²), its lot is bigger than 9% of them (1,910 ft² against a typical 0.38 ac) and it is newer than 98% of them (2023 against a typical 1977). Measured against all of Montgomery County, it is worth more than 92% 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 820 Grayson Ln, Ambler, PA?

The 2026 property tax bill for 820 Grayson Ln, Ambler, PA was $15,946. The county assessed it at $302,680.

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