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Single Family ResidenceResidential
$746,873$320 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $737,000 on Sep 16, 2025

21438 RIDENOUR RD

BOONSBORO, MD 21713
2.5
Baths
2,337 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.
1.85 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$747K
$711K low$783K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$737,000 · Sep 16, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,159 (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.$560,467 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$528,433
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$592,500

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.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
77
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
90
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
18
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.1.85
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
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.Mixed
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 · 102 ft²

Transaction History(3)

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
Greenbriar Elmentary SchoolC
Elementary · Grades PK–5 · 1.4 mi
M
Boonsboro Middle SchoolA-
Middle · Grades 6–8 · 4.4 mi
H
Boonsboro High SchoolA-
High · Grades 9–12 · 4.4 mi

District: Washington County Public Schools

Neighborhood · ZIP 21713These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.75
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
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.12,401
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.291 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,947
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,682
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

21438 Ridenour 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 97% of homes in Washington County
  • Costs more per square foot than 96% of homes in Washington County
  • Bigger than 80% of homes in Washington County
  • Has a bigger lot than 83% of homes in Washington County
  • Newer than 85% of homes in Washington County

What homes are worth in Boonsboro 21713

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

This home
$191K$943K

This home is worth more than 95% of homes in Boonsboro 21713.

How it measures up in Boonsboro 21713

The dot is this home. The mark in the middle is the typical home in Boonsboro 21713.

Estimated value$746,873
CheaperTypical $402,193Pricier

Pricier than 95% of homes nearby

Price per ft²$320
CheaperTypical $232Pricier

Pricier than 91% of homes nearby

Living area2,337 ft²
SmallerTypical 1,740 ft²Bigger

Bigger than 72% of homes nearby

Lot size1.85 ac
SmallerTypical 0.99 acBigger

Bigger than 69% of homes nearby

Year built2004
OlderTypical 1980Newer

Newer than 84% of homes nearby

How 21438 Ridenour Rd ranks against every home in each area.
MeasureThis homeBoonsboro 21713Washington County
Estimated valuepricier than$746,87395% of homes97% of homes
Price per ft²pricier than$32091% of homes96% of homes
Living areabigger than2,337 ft²72% of homes80% of homes
Lot sizebigger than1.85 ac69% of homes83% of homes
Year builtnewer than200484% of homes85% of homes

About 21438 Ridenour Rd

How much is 21438 Ridenour Rd, Boonsboro, MD worth?

The TopHap Estimate for 21438 Ridenour Rd, Boonsboro, MD is $746,873 as of Aug 30, 2026. The likely range is $710,635 to $783,111. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21438 Ridenour Rd, Boonsboro, MD last sell?

21438 Ridenour Rd, Boonsboro, MD last sold on Sep 16, 2025 for $737,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21438 Ridenour Rd, Boonsboro, MD?

21438 Ridenour Rd, Boonsboro, MD has 2.5 bathrooms, 2,337 square feet of living space and a 1.85-acre lot.

When was 21438 Ridenour Rd, Boonsboro, MD built?

21438 Ridenour Rd, Boonsboro, MD was built in 2004, making it 22 years old. The building has 1 story.

What schools serve 21438 Ridenour Rd, Boonsboro, MD?

21438 Ridenour Rd, Boonsboro, MD is assigned to Greenbriar Elmentary School (elementary), rated C; Boonsboro Middle School (middle), rated A-; Boonsboro High School (high), rated A-. All sit in Washington County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21438 Ridenour Rd, Boonsboro, MD compare to other homes in Boonsboro 21713?

Among the 3,521 homes in Boonsboro 21713, it is worth more than 95% of them ($746,873 against a typical $402,193), its price per square foot is higher than 91% of them ($320 against a typical $232), it is bigger than 72% of them (2,337 ft² against a typical 1,740 ft²), its lot is bigger than 69% of them (1.85 ac against a typical 0.99 ac) and it is newer than 84% of them (2004 against a typical 1980). Measured against all of Washington County, it is worth more than 97% 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 21438 Ridenour Rd, Boonsboro, MD?

The 2025 property tax bill for 21438 Ridenour Rd, Boonsboro, MD was $4,159. The county assessed it at $560,467.

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