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Rural ResidenceResidential
$754,003$303 / 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 93How 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 $90,000 on Sep 15, 2016

23434 JOHN WALTER LN

CHAPTICO, MD 20621
2
Baths
2,490 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.
20.3 ac
Lot SizeThe size of the land the home sits on, from county records.
2024
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$754K
$703K low$805K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$90,000 · Sep 15, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,567 (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.$536,367 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$505,033
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$567,700

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
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
80
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
85
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
23
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 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.Rural Residence
CountyST. MARY'S
Lot (acres)The size of the land the home sits on, from county records.20.30
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.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

Transaction History(2)

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
Dynard Elementary SchoolA
Elementary · Grades PK–5 · 0.6 mi
H
Chopticon High SchoolB
High · Grades 9–12 · 4.6 mi
M
Margaret Brent Middle SchoolB-
Middle · Grades 6–8 · 5.3 mi

District: St. Marys County Public Schools

Neighborhood · ZIP 20621These 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.150
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.31

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.1%
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.1,672
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.99 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,003
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,865
Average tempThe average temperature here across a full year.57°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.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

23434 John Walter 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 95% of homes in Chaptico 20621
  • Costs more per square foot than 83% of homes in St. Mary's County
  • Bigger than 86% of homes in Chaptico 20621
  • Has a bigger lot than 98% of homes in St. Mary's County
  • Among the newest homes in Chaptico 20621

What homes are worth in Chaptico 20621

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

This home
$80K$873K

This home is worth more than 95% of homes in Chaptico 20621.

How it measures up in Chaptico 20621

The dot is this home. The mark in the middle is the typical home in Chaptico 20621.

Estimated value$754,003
CheaperTypical $405,853Pricier

Pricier than 95% of homes nearby

Price per ft²$303
CheaperTypical $259Pricier

Pricier than 74% of homes nearby

Living area2,490 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 86% of homes nearby

Lot size20.3 ac
SmallerTypical 1.37 acBigger

Bigger than 93% of homes nearby

Year built2024
OlderTypical 1976Newer

Newer than almost all homes nearby

How 23434 John Walter Ln ranks against every home in each area.
MeasureThis homeChaptico 20621St. Mary's County
Estimated valuepricier than$754,00395% of homes95% of homes
Price per ft²pricier than$30374% of homes83% of homes
Living areabigger than2,490 ft²86% of homes77% of homes
Lot sizebigger than20.3 ac93% of homes98% of homes
Year builtnewer than2024almost all homesalmost all homes

About 23434 John Walter Ln

How much is 23434 John Walter Ln, Chaptico, MD worth?

The TopHap Estimate for 23434 John Walter Ln, Chaptico, MD is $754,003 as of Sep 24, 2026. The likely range is $702,561 to $805,445. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23434 John Walter Ln, Chaptico, MD last sell?

23434 John Walter Ln, Chaptico, MD last sold on Sep 15, 2016 for $90,000, according to the county's recorded deed.

How big is 23434 John Walter Ln, Chaptico, MD?

23434 John Walter Ln, Chaptico, MD has 2 bathrooms, 2,490 square feet of living space and a 20.30-acre lot.

When was 23434 John Walter Ln, Chaptico, MD built?

23434 John Walter Ln, Chaptico, MD was built in 2024, making it 2 years old. The building has 1 story.

What schools serve 23434 John Walter Ln, Chaptico, MD?

23434 John Walter Ln, Chaptico, MD is assigned to Dynard Elementary School (elementary), rated A; Chopticon High School (high), rated B; Margaret Brent Middle School (middle), rated B-. All sit in St. Marys County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23434 John Walter Ln, Chaptico, MD compare to other homes in Chaptico 20621?

Among the 615 homes in Chaptico 20621, it is worth more than 95% of them ($754,003 against a typical $405,853), its price per square foot is higher than 74% of them ($303 against a typical $259), it is bigger than 86% of them (2,490 ft² against a typical 1,560 ft²), its lot is bigger than 93% of them (20.3 ac against a typical 1.37 ac) and it is newer than almost all of them (2024 against a typical 1976). Measured against all of St. Mary's County, it is worth more than 95% 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 23434 John Walter Ln, Chaptico, MD?

The 2025 property tax bill for 23434 John Walter Ln, Chaptico, MD was $5,567. The county assessed it at $536,367.

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