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Single Family ResidenceResidential
$1,086,927$384 / 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 Aug 30, 2026
Last sold for $625,000 on Jan 20, 2015

577 GREGORY LN

DEVON, PA 19333
4
Beds
2.5
Baths
2,828 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.
0.71 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$625,000 · Jan 20, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,189 (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.$303,870 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$241,120
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$303,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$305,260

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.43
1
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.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
93
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Conventional
CountyCHESTER
Lot (acres)The size of the land the home sits on, from county records.0.71
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
HeatingThe type of heating system in the home.Hot Water
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

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.

E
New Eagle Elementary SchoolA
Elementary · Grades KG–4 · 1.1 mi
M
Valley Forge Middle SchoolA+
Middle · Grades 5–8 · 1.2 mi
H
Conestoga High SchoolA+
High · Grades 9–12 · 1.3 mi

District: Tredyffrin-Easttown School District

Neighborhood · ZIP 19333These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.45%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
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.7,028
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,095 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$177,467
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$218,429
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

577 Gregory 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 Chester County
  • Costs more per square foot than 94% of homes in Chester County
  • Bigger than 71% of homes in Chester County
  • Has a bigger lot than 67% of homes in Devon 19333
  • Older than 69% of homes in Chester County

What homes are worth in Devon 19333

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

This home
$229K$2.9M

This home is worth more than 63% of homes in Devon 19333.

How it measures up in Devon 19333

The dot is this home. The mark in the middle is the typical home in Devon 19333.

Estimated value$1,086,927
CheaperTypical $887,356Pricier

Pricier than 63% of homes nearby

Price per ft²$384
CheaperTypical $366Pricier

Pricier than 59% of homes nearby

Living area2,828 ft²
SmallerTypical 2,322 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.71 ac
SmallerTypical 0.44 acBigger

Bigger than 67% of homes nearby

Year built1967
OlderTypical 1973Newer

Newer than 47% of homes nearby

How 577 Gregory Ln ranks against every home in each area.
MeasureThis homeDevon 19333Chester County
Estimated valuepricier than$1,086,92763% of homes92% of homes
Price per ft²pricier than$38459% of homes94% of homes
Living areabigger than2,828 ft²63% of homes71% of homes
Lot sizebigger than0.71 ac67% of homes63% of homes
Year builtnewer than196747% of homes31% of homes

About 577 Gregory Ln

How much is 577 Gregory Ln, Devon, PA worth?

The TopHap Estimate for 577 Gregory Ln, Devon, PA is $1,086,927 as of Aug 30, 2026. The likely range is $1,000,507 to $1,173,347. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 577 Gregory Ln, Devon, PA last sell?

577 Gregory Ln, Devon, PA last sold on Jan 20, 2015 for $625,000, according to the county's recorded deed.

How big is 577 Gregory Ln, Devon, PA?

577 Gregory Ln, Devon, PA has 4 bedrooms, 2.5 bathrooms, 2,828 square feet of living space and a 0.71-acre lot.

When was 577 Gregory Ln, Devon, PA built?

577 Gregory Ln, Devon, PA was built in 1967, making it 59 years old. It is a conventional home. The building has 2 stories.

What schools serve 577 Gregory Ln, Devon, PA?

577 Gregory Ln, Devon, PA is assigned to New Eagle Elementary School (elementary), rated A; Valley Forge Middle School (middle), rated A+; Conestoga High School (high), rated A+. All sit in Tredyffrin-Easttown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 577 Gregory Ln, Devon, PA compare to other homes in Devon 19333?

Among the 2,408 homes in Devon 19333, it is worth more than 63% of them ($1,086,927 against a typical $887,356), its price per square foot is higher than 59% of them ($384 against a typical $366), it is bigger than 63% of them (2,828 ft² against a typical 2,322 ft²), its lot is bigger than 67% of them (0.71 ac against a typical 0.44 ac) and it is newer than 47% of them (1967 against a typical 1973). Measured against all of Chester 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 577 Gregory Ln, Devon, PA?

The 2026 property tax bill for 577 Gregory Ln, Devon, PA was $1,189. The county assessed it at $303,870.

More homes on Gregory Ln

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