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Residential (General/Single)Residential
$256,551
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 $1,809 on Mar 7, 1994

840 CRYSTAL ROCK RD

LUSBY, MD 20657
0
Baths
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$257K
$239K low$275K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,809 · Mar 7, 1994

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
81
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
83
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
52
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.Residential (General/Single)
CountyCALVERT
Lot (acres)The size of the land the home sits on, from county records.0.26
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Patuxent Elementary School
Elementary · Grades PK–2 · 0.2 mi
H
Patuxent High SchoolC+
High · Grades 9–12 · 1.9 mi
M
Mill Creek Middle SchoolC+
Middle · Grades 6–8 · 2.0 mi

District: Calvert County Public Schools

Neighborhood · ZIP 20657These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.23,248
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.597 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,618
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,432
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

840 Crystal Rock Rd 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 97% of homes in Calvert County
  • Has a smaller lot than 76% of homes in Calvert County

What homes are worth in Lusby 20657

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

This home
$233K$920K

This home is worth more than 6% of homes in Lusby 20657.

How it measures up in Lusby 20657

The dot is this home. The mark in the middle is the typical home in Lusby 20657.

Estimated value$256,551
CheaperTypical $367,170Pricier

Pricier than 6% of homes nearby

Lot size0.26 ac
SmallerTypical 0.36 acBigger

Bigger than 28% of homes nearby

How 840 Crystal Rock Rd ranks against every home in each area.
MeasureThis homeLusby 20657Calvert County
Estimated valuepricier than$256,5516% of homes3% of homes
Lot sizebigger than0.26 ac28% of homes24% of homes

About 840 Crystal Rock Rd

How much is 840 Crystal Rock Rd, Lusby, MD worth?

The TopHap Estimate for 840 Crystal Rock Rd, Lusby, MD is $256,551 as of Sep 24, 2026. The likely range is $238,559 to $274,543. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 840 Crystal Rock Rd, Lusby, MD last sell?

840 Crystal Rock Rd, Lusby, MD last sold on Mar 7, 1994 for $1,809, according to the county's recorded deed.

What schools serve 840 Crystal Rock Rd, Lusby, MD?

840 Crystal Rock Rd, Lusby, MD is assigned to Patuxent Elementary School (elementary); Patuxent High School (high), rated C+; Mill Creek Middle School (middle), rated C+. All sit in Calvert County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 840 Crystal Rock Rd, Lusby, MD compare to other homes in Lusby 20657?

Among the 8,491 homes in Lusby 20657, it is worth more than 6% of them ($256,551 against a typical $367,170) and its lot is bigger than 28% of them (0.26 ac against a typical 0.36 ac). Measured against all of Calvert County, it is worth more than 3% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Crystal Rock Rd

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Assigned schools

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