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Single Family ResidenceResidential
$428,277$215 / 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 Sep 24, 2026
Last sold for $313,583 on Sep 11, 2015

312 MONUMENT DR

BOONSBORO, MD 21713
2.5
Baths
1,992 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$428K
$409K low$448K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$313,583 · Sep 11, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,432 (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.$398,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$376,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$420,100

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.0.14
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
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.Deck · 144 ft²Porch · 24 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
Boonsboro Elementary SchoolA
Elementary · Grades PK–5 · 0.9 mi
M
Boonsboro Middle SchoolA-
Middle · Grades 6–8 · 1.0 mi
H
Boonsboro High SchoolA-
High · Grades 9–12 · 1.1 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

312 Monument 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 more than 76% of homes in Washington County
  • Costs less per square foot than 65% of homes in Boonsboro 21713
  • Bigger than 70% of homes in Washington County
  • Has a smaller lot than 95% of homes in Boonsboro 21713
  • Newer than 95% of homes in Boonsboro 21713

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
$204K$966K

This home is worth more than 55% 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$428,277
CheaperTypical $408,690Pricier

Pricier than 55% of homes nearby

Price per ft²$215
CheaperTypical $234Pricier

Pricier than 35% of homes nearby

Living area1,992 ft²
SmallerTypical 1,749 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.14 ac
SmallerTypical 0.99 acBigger

Bigger than 5% of homes nearby

Year built2015
OlderTypical 1980Newer

Newer than 95% of homes nearby

How 312 Monument Dr ranks against every home in each area.
MeasureThis homeBoonsboro 21713Washington County
Estimated valuepricier than$428,27755% of homes76% of homes
Price per ft²pricier than$21535% of homes58% of homes
Living areabigger than1,992 ft²61% of homes70% of homes
Lot sizebigger than0.14 ac5% of homes20% of homes
Year builtnewer than201595% of homes94% of homes

About 312 Monument Dr

How much is 312 Monument Dr, Boonsboro, MD worth?

The TopHap Estimate for 312 Monument Dr, Boonsboro, MD is $428,277 as of Sep 24, 2026. The likely range is $408,879 to $447,675. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 312 Monument Dr, Boonsboro, MD last sell?

312 Monument Dr, Boonsboro, MD last sold on Sep 11, 2015 for $313,583, according to the county's recorded deed.

How big is 312 Monument Dr, Boonsboro, MD?

312 Monument Dr, Boonsboro, MD has 2.5 bathrooms, 1,992 square feet of living space and a 0.14-acre lot.

When was 312 Monument Dr, Boonsboro, MD built?

312 Monument Dr, Boonsboro, MD was built in 2015, making it 11 years old. The building has 2 stories.

What schools serve 312 Monument Dr, Boonsboro, MD?

312 Monument Dr, Boonsboro, MD is assigned to Boonsboro Elementary School (elementary), rated A; 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 312 Monument Dr, Boonsboro, MD compare to other homes in Boonsboro 21713?

Among the 3,531 homes in Boonsboro 21713, it is worth more than 55% of them ($428,277 against a typical $408,690), its price per square foot is higher than 35% of them ($215 against a typical $234), it is bigger than 61% of them (1,992 ft² against a typical 1,749 ft²), its lot is bigger than 5% of them (0.14 ac against a typical 0.99 ac) and it is newer than 95% of them (2015 against a typical 1980). Measured against all of Washington County, it is worth more than 76% 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 312 Monument Dr, Boonsboro, MD?

The 2026 property tax bill for 312 Monument Dr, Boonsboro, MD was $3,432. The county assessed it at $398,200.

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