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Single Family ResidenceResidential
$42,575$57 / 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 84How 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 $37,000 on Sep 29, 2025

830 MARY ST

CHESTER, PA 19013
2
Beds
1
Baths
752 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.
958 ft²
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$43K
$36K low$50K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$37,000 · Sep 29, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17 (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.$600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$600

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.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyDELAWARE
Lot (acres)The size of the land the home sits on, from county records.0.02
HeatingThe type of heating system in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Neighborhood · ZIP 19013These 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.168
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.26%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.34,745
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,194 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$44,417
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$59,298
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

830 Mary St 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.

  • Among the least valuable homes in Delaware County
  • Among the lowest price per square foot in Delaware County
  • Smaller than 98% of homes in Chester 19013
  • Has a smaller lot than 98% of homes in Chester 19013
  • Older than 75% of homes in Delaware County

What homes are worth in Chester 19013

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

This home
$38K$305K

This home is worth more than 4% of homes in Chester 19013.

How it measures up in Chester 19013

The dot is this home. The mark in the middle is the typical home in Chester 19013.

Estimated value$42,575
CheaperTypical $84,891Pricier

Pricier than 4% of homes nearby

Price per ft²$57
CheaperTypical $72Pricier

Pricier than 33% of homes nearby

Living area752 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 2% of homes nearby

Lot size958 ft²
SmallerTypical 2,178 ft²Bigger

Bigger than 2% of homes nearby

Year built1930
OlderTypical 1930Newer

Newer than 50% of homes nearby

How 830 Mary St ranks against every home in each area.
MeasureThis homeChester 19013Delaware County
Estimated valuepricier than$42,5754% of homesalmost no homes
Price per ft²pricier than$5733% of homesalmost no homes
Living areabigger than752 ft²2% of homes2% of homes
Lot sizebigger than958 ft²2% of homes2% of homes
Year builtnewer than193050% of homes25% of homes

About 830 Mary St

How much is 830 Mary St, Chester, PA worth?

The TopHap Estimate for 830 Mary St, Chester, PA is $42,575 as of Oct 21, 2026. The likely range is $35,573 to $49,577. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 830 Mary St, Chester, PA last sell?

830 Mary St, Chester, PA last sold on Sep 29, 2025 for $37,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 830 Mary St, Chester, PA?

830 Mary St, Chester, PA has 2 bedrooms, 1 bathrooms, 752 square feet of living space and a 0.02-acre lot.

When was 830 Mary St, Chester, PA built?

830 Mary St, Chester, PA was built in 1930, making it 96 years old. The building has 2 stories.

How does 830 Mary St, Chester, PA compare to other homes in Chester 19013?

Among the 10,168 homes in Chester 19013, it is worth more than 4% of them ($42,575 against a typical $84,891), its price per square foot is higher than 33% of them ($57 against a typical $72), it is bigger than 2% of them (752 ft² against a typical 1,288 ft²), its lot is bigger than 2% of them (958 ft² against a typical 2,178 ft²) and it is newer than 50% of them (1930 against a typical 1930). Measured against all of Delaware County, it is worth more than almost no 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 830 Mary St, Chester, PA?

The 2026 property tax bill for 830 Mary St, Chester, PA was $17. The county assessed it at $600.

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