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Single Family ResidenceResidential
$1,023,491$158 / 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 Aug 30, 2026
Last sold for $650,000 on Oct 3, 2017

1099 MANSION LN

GARNET VALLEY, PA 19060
4
Beds
2.5
Baths
6,465 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.
11.76 ac
Lot SizeThe size of the land the home sits on, from county records.
2017
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1M
$968K 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.$650,000 · Oct 3, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,792 (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.$662,680 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$116,080
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$546,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$662,680
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$662,680

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
CountyDELAWARE
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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

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
Bethel Springs Elementary SchoolA
Elementary · Grades KG–5 · 1.5 mi
H
Garnet Valley High SchoolA+
High · Grades 9–12 · 1.6 mi
M
Garnet Valley Middle SchoolA+
Middle · Grades 6–8 · 2.3 mi

District: Garnet Valley School District

Neighborhood · ZIP 19060These 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.24
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.79

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.12,910
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,617 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$155,952
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$174,592
Average tempThe average temperature here across a full year.54°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

1099 Mansion 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 Delaware County
  • Costs less per square foot than 96% of homes in Garnet Valley 19060
  • Among the largest homes in Delaware County
  • Among the largest lots in Delaware County
  • Newer than 98% of homes in Delaware County

What homes are worth in Garnet Valley 19060

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

This home
$378K$1.3M

This home is worth more than 89% of homes in Garnet Valley 19060.

How it measures up in Garnet Valley 19060

The dot is this home. The mark in the middle is the typical home in Garnet Valley 19060.

Estimated value$1,023,491
CheaperTypical $698,288Pricier

Pricier than 89% of homes nearby

Price per ft²$158
CheaperTypical $264Pricier

Pricier than 4% of homes nearby

Living area6,465 ft²
SmallerTypical 2,575 ft²Bigger

Bigger than 98% of homes nearby

Lot size11.76 ac
SmallerTypical 0.63 acBigger

Bigger than 98% of homes nearby

Year built2017
OlderTypical 1999Newer

Newer than 97% of homes nearby

How 1099 Mansion Ln ranks against every home in each area.
MeasureThis homeGarnet Valley 19060Delaware County
Estimated valuepricier than$1,023,49189% of homes92% of homes
Price per ft²pricier than$1584% of homes18% of homes
Living areabigger than6,465 ft²98% of homesalmost all homes
Lot sizebigger than11.76 ac98% of homesalmost all homes
Year builtnewer than201797% of homes98% of homes

About 1099 Mansion Ln

How much is 1099 Mansion Ln, Garnet Valley, PA worth?

The TopHap Estimate for 1099 Mansion Ln, Garnet Valley, PA is $1,023,491 as of Aug 30, 2026. The likely range is $967,902 to $1,079,080. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1099 Mansion Ln, Garnet Valley, PA last sell?

1099 Mansion Ln, Garnet Valley, PA last sold on Oct 3, 2017 for $650,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 1099 Mansion Ln, Garnet Valley, PA?

1099 Mansion Ln, Garnet Valley, PA has 4 bedrooms, 2.5 bathrooms and 6,465 square feet of living space.

When was 1099 Mansion Ln, Garnet Valley, PA built?

1099 Mansion Ln, Garnet Valley, PA was built in 2017, making it 9 years old. It is a conventional home. The building has 2 stories.

What schools serve 1099 Mansion Ln, Garnet Valley, PA?

1099 Mansion Ln, Garnet Valley, PA is assigned to Bethel Springs Elementary School (elementary), rated A; Garnet Valley High School (high), rated A+; Garnet Valley Middle School (middle), rated A+. All sit in Garnet Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1099 Mansion Ln, Garnet Valley, PA compare to other homes in Garnet Valley 19060?

Among the 4,106 homes in Garnet Valley 19060, it is worth more than 89% of them ($1,023,491 against a typical $698,288), its price per square foot is higher than 4% of them ($158 against a typical $264), it is bigger than 98% of them (6,465 ft² against a typical 2,575 ft²), its lot is bigger than 98% of them (11.76 ac against a typical 0.63 ac) and it is newer than 97% of them (2017 against a typical 1999). Measured against all of Delaware 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 1099 Mansion Ln, Garnet Valley, PA?

The 2026 property tax bill for 1099 Mansion Ln, Garnet Valley, PA was $16,792. The county assessed it at $662,680.

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