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Single Family ResidenceResidential
$492,455$224 / 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 92How 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 $490,000 on Jun 5, 2025

4191 HARMONY RD

PRESTON, MD 21655
2.5
Baths
2,196 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.
2.29 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$492K
$452K low$533K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$490,000 · Jun 5, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,679 (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.$437,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$371,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$387,967
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$437,200

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.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 Residence
CountyCAROLINE
Lot (acres)The size of the land the home sits on, from county records.2.29
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Deck · 200 ft²Shed · 2,200 ft²Porch · 208 ft²

Transaction History(4)

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
Preston Elementary SchoolB
Elementary · Grades PK–5 · 0.9 mi
H
Colonel Richardson High SchoolC+
High · Grades 9–12 · 4.4 mi
M
Colonel Richardson Middle SchoolC+
Middle · Grades 6–8 · 4.5 mi

District: Caroline County Public Schools

Neighborhood · ZIP 21655These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.8.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
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.4,300
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.77 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,033
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,494
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

4191 Harmony 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 more than 85% of homes in Caroline County
  • Costs more per square foot than 70% of homes in Caroline County
  • Bigger than 79% of homes in Preston 21655
  • Has a bigger lot than 70% of homes in Caroline County
  • Newer than 94% of homes in Preston 21655

What homes are worth in Preston 21655

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

This home
$100K$872K

This home is worth more than 82% of homes in Preston 21655.

How it measures up in Preston 21655

The dot is this home. The mark in the middle is the typical home in Preston 21655.

Estimated value$492,455
CheaperTypical $323,300Pricier

Pricier than 82% of homes nearby

Price per ft²$224
CheaperTypical $199Pricier

Pricier than 67% of homes nearby

Living area2,196 ft²
SmallerTypical 1,592 ft²Bigger

Bigger than 79% of homes nearby

Lot size2.29 ac
SmallerTypical 1.25 acBigger

Bigger than 69% of homes nearby

Year built2007
OlderTypical 1980Newer

Newer than 94% of homes nearby

How 4191 Harmony Rd ranks against every home in each area.
MeasureThis homePreston 21655Caroline County
Estimated valuepricier than$492,45582% of homes85% of homes
Price per ft²pricier than$22467% of homes70% of homes
Living areabigger than2,196 ft²79% of homes77% of homes
Lot sizebigger than2.29 ac69% of homes70% of homes
Year builtnewer than200794% of homes91% of homes

About 4191 Harmony Rd

How much is 4191 Harmony Rd, Preston, MD worth?

The TopHap Estimate for 4191 Harmony Rd, Preston, MD is $492,455 as of Oct 21, 2026. The likely range is $451,612 to $533,298. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4191 Harmony Rd, Preston, MD last sell?

4191 Harmony Rd, Preston, MD last sold on Jun 5, 2025 for $490,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4191 Harmony Rd, Preston, MD?

4191 Harmony Rd, Preston, MD has 2.5 bathrooms, 2,196 square feet of living space and a 2.29-acre lot.

When was 4191 Harmony Rd, Preston, MD built?

4191 Harmony Rd, Preston, MD was built in 2007, making it 19 years old. The building has 2 stories.

What schools serve 4191 Harmony Rd, Preston, MD?

4191 Harmony Rd, Preston, MD is assigned to Preston Elementary School (elementary), rated B; Colonel Richardson High School (high), rated C+; Colonel Richardson Middle School (middle), rated C+. All sit in Caroline County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4191 Harmony Rd, Preston, MD compare to other homes in Preston 21655?

Among the 1,985 homes in Preston 21655, it is worth more than 82% of them ($492,455 against a typical $323,300), its price per square foot is higher than 67% of them ($224 against a typical $199), it is bigger than 79% of them (2,196 ft² against a typical 1,592 ft²), its lot is bigger than 69% of them (2.29 ac against a typical 1.25 ac) and it is newer than 94% of them (2007 against a typical 1980). Measured against all of Caroline County, it is worth more than 85% 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 4191 Harmony Rd, Preston, MD?

The 2026 property tax bill for 4191 Harmony Rd, Preston, MD was $4,679. The county assessed it at $437,200.

More homes on Harmony Rd

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