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Residential - Vacant LandResidential
$216,145$152 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $167,000 on Mar 30, 2023

20790 MERCER AVE

ROCK HALL, MD 21661
2
Baths
1,426 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$216K
$190K low$243K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$167,000 · Mar 30, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,027 (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.$67,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$67,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$67,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$67,800

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.60
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
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.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
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.16 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.48%
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.1 percent flood zone

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 - Vacant Land
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyKENT
Lot (acres)The size of the land the home sits on, from county records.0.38
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 184 ft²

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
Rock Hall Elementary SchoolC+
Elementary · Grades PK–5 · 0.8 mi
M
Kent County Middle SchoolD
Middle · Grades 6–8 · 11.6 mi
H
Kent County High SchoolC
High · Grades 9–12 · 13.3 mi

District: Kent County Public Schools

Neighborhood · ZIP 21661These 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.167
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 100.45

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.71%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
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.2,599
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.48 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,089
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,148
Average tempThe average temperature here across a full year.56°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

20790 Mercer Ave 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 94% of homes in Rock Hall
  • Costs less per square foot than 92% of homes in Rock Hall
  • Smaller than 66% of homes in Kent County
  • Has a bigger lot than 69% of homes in Rock Hall

What homes are worth in Rock Hall 21661

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

This home
$152K$2.1M

This home is worth more than 10% of homes in Rock Hall 21661.

How it measures up in Rock Hall 21661

The dot is this home. The mark in the middle is the typical home in Rock Hall 21661.

Estimated value$216,145
CheaperTypical $373,758Pricier

Pricier than 10% of homes nearby

Price per ft²$152
CheaperTypical $244Pricier

Pricier than 9% of homes nearby

Living area1,426 ft²
SmallerTypical 1,616 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.38 ac
SmallerTypical 0.47 acBigger

Bigger than 44% of homes nearby

Year built1976
OlderTypical 1971Newer

Newer than 54% of homes nearby

How 20790 Mercer Ave ranks against every home in each area.
MeasureThis homeRock HallRock Hall 21661Kent County
Estimated valuepricier than$216,1456% of homes10% of homes12% of homes
Price per ft²pricier than$1528% of homes9% of homes13% of homes
Living areabigger than1,426 ft²37% of homes37% of homes34% of homes
Lot sizebigger than0.38 ac69% of homes44% of homes36% of homes
Year builtnewer than197655% of homes54% of homes50% of homes

About 20790 Mercer Ave

How much is 20790 Mercer Ave, Rock Hall, MD worth?

The TopHap Estimate for 20790 Mercer Ave, Rock Hall, MD is $216,145 as of Jul 14, 2026. The likely range is $189,521 to $242,769. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20790 Mercer Ave, Rock Hall, MD last sell?

20790 Mercer Ave, Rock Hall, MD last sold on Mar 30, 2023 for $167,000, according to the county's recorded deed.

How big is 20790 Mercer Ave, Rock Hall, MD?

20790 Mercer Ave, Rock Hall, MD has 2 bathrooms, 1,426 square feet of living space and a 0.38-acre lot.

When was 20790 Mercer Ave, Rock Hall, MD built?

20790 Mercer Ave, Rock Hall, MD was built in 1976, making it 50 years old. It is a mobile home home. The building has 1 story.

What schools serve 20790 Mercer Ave, Rock Hall, MD?

20790 Mercer Ave, Rock Hall, MD is assigned to Rock Hall Elementary School (elementary), rated C+; Kent County Middle School (middle), rated D; Kent County High School (high), rated C. All sit in Kent County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20790 Mercer Ave, Rock Hall, MD compare to other homes in Rock Hall 21661?

Among the 1,678 homes in Rock Hall 21661, it is worth more than 10% of them ($216,145 against a typical $373,758), its price per square foot is higher than 9% of them ($152 against a typical $244), it is bigger than 37% of them (1,426 ft² against a typical 1,616 ft²), its lot is bigger than 44% of them (0.38 ac against a typical 0.47 ac) and it is newer than 54% of them (1976 against a typical 1971). Measured against all of Kent County, it is worth more than 12% 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 20790 Mercer Ave, Rock Hall, MD?

The 2026 property tax bill for 20790 Mercer Ave, Rock Hall, MD was $1,027. The county assessed it at $67,800.

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