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Single Family ResidentialResidential
$295,500
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 87How 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 $150,000 on Sep 16, 2004

42280 ALLISON DR

MECHANICSVILLE, MD 20659
0
Baths
5 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$296K
$257K low$334K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$150,000 · Sep 16, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,088 (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.$569,267 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$569,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$569,600

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.49
39
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.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
82
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.30%
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 Residential
CountyST. MARY'S
Lot (acres)The size of the land the home sits on, from county records.5.00
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Boat access

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
Oakville Elementary SchoolC+
Elementary · Grades PK–5 · 2.2 mi
H
Chopticon High SchoolB
High · Grades 9–12 · 6.3 mi
M
Leonardtown Middle SchoolA
Middle · Grades 6–8 · 9.7 mi

District: St. Marys County Public Schools

Neighborhood · ZIP 20659These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.25,864
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.244 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,199
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,792
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

42280 Allison Dr 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 less than 92% of homes in Mechanicsville 20659
  • Has a bigger lot than 91% of homes in St. Mary's County

What homes are worth in Mechanicsville 20659

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

This home
$209K$802K

This home is worth more than 8% of homes in Mechanicsville 20659.

How it measures up in Mechanicsville 20659

The dot is this home. The mark in the middle is the typical home in Mechanicsville 20659.

Estimated value$295,500
CheaperTypical $431,882Pricier

Pricier than 8% of homes nearby

Lot size5 ac
SmallerTypical 1.33 acBigger

Bigger than 86% of homes nearby

How 42280 Allison Dr ranks against every home in each area.
MeasureThis homeMechanicsville 20659St. Mary's County
Estimated valuepricier than$295,5008% of homes15% of homes
Lot sizebigger than5 ac86% of homes91% of homes

About 42280 Allison Dr

How much is 42280 Allison Dr, Mechanicsville, MD worth?

The TopHap Estimate for 42280 Allison Dr, Mechanicsville, MD is $295,500 as of Sep 24, 2026. The likely range is $256,637 to $334,363. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42280 Allison Dr, Mechanicsville, MD last sell?

42280 Allison Dr, Mechanicsville, MD last sold on Sep 16, 2004 for $150,000, according to the county's recorded deed.

What schools serve 42280 Allison Dr, Mechanicsville, MD?

42280 Allison Dr, Mechanicsville, MD is assigned to Oakville Elementary School (elementary), rated C+; Chopticon High School (high), rated B; Leonardtown Middle School (middle), rated A. All sit in St. Marys County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42280 Allison Dr, Mechanicsville, MD compare to other homes in Mechanicsville 20659?

Among the 8,585 homes in Mechanicsville 20659, it is worth more than 8% of them ($295,500 against a typical $431,882) and its lot is bigger than 86% of them (5 ac against a typical 1.33 ac). Measured against all of St. Mary's County, it is worth more than 15% 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 42280 Allison Dr, Mechanicsville, MD?

The 2025 property tax bill for 42280 Allison Dr, Mechanicsville, MD was $6,088. The county assessed it at $569,267.

More homes on Allison Dr

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Assigned schools

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