Skip to content
Skip to content
TopHapOpen in map
Rural ResidenceResidential
$644,092$306 / 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 86How 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 $475,000 on Jun 21, 2016

3940 PROSPECT RD

STREET, MD 21154
1.5
Baths
2,106 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.
30 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$644K
$556K low$732K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$475,000 · Jun 21, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,369 (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.$303,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$284,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$322,300

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.62 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.Rural Residence
CountyHARFORD
Lot (acres)The size of the land the home sits on, from county records.30.00
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.In-Ground Vinyl Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 360 ft²Shed · 1,500 ft²Porch · 266 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.

H
North Harford High SchoolB-
High · Grades 9–12 · 5.1 mi
E
North Harford Elementary SchoolB+
Elementary · Grades PK–5 · 5.2 mi
M
North Harford Middle SchoolB
Middle · Grades 6–8 · 5.4 mi

District: Harford County Public Schools

Neighborhood · ZIP 21154These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.58

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
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.7,048
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.174 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,957
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,851
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

3940 Prospect 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 86% of homes in Harford County
  • Costs more per square foot than 87% of homes in Harford County
  • Bigger than 70% of homes in Harford County
  • Among the largest lots in Harford County
  • Older than 97% of homes in Harford County

What homes are worth in Street 21154

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

This home
$216K$1.1M

This home is worth more than 67% of homes in Street 21154.

How it measures up in Street 21154

The dot is this home. The mark in the middle is the typical home in Street 21154.

Estimated value$644,092
CheaperTypical $530,667Pricier

Pricier than 67% of homes nearby

Price per ft²$306
CheaperTypical $274Pricier

Pricier than 70% of homes nearby

Living area2,106 ft²
SmallerTypical 1,942 ft²Bigger

Bigger than 57% of homes nearby

Lot size30 ac
SmallerTypical 2.73 acBigger

Bigger than 96% of homes nearby

Year built1920
OlderTypical 1986Newer

Newer than 8% of homes nearby

How 3940 Prospect Rd ranks against every home in each area.
MeasureThis homeStreet 21154Harford County
Estimated valuepricier than$644,09267% of homes86% of homes
Price per ft²pricier than$30670% of homes87% of homes
Living areabigger than2,106 ft²57% of homes70% of homes
Lot sizebigger than30 ac96% of homesalmost all homes
Year builtnewer than19208% of homes3% of homes

About 3940 Prospect Rd

How much is 3940 Prospect Rd, Street, MD worth?

The TopHap Estimate for 3940 Prospect Rd, Street, MD is $644,092 as of Aug 30, 2026. The likely range is $556,327 to $731,857. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3940 Prospect Rd, Street, MD last sell?

3940 Prospect Rd, Street, MD last sold on Jun 21, 2016 for $475,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3940 Prospect Rd, Street, MD?

3940 Prospect Rd, Street, MD has 1.5 bathrooms, 2,106 square feet of living space and a 30.00-acre lot.

When was 3940 Prospect Rd, Street, MD built?

3940 Prospect Rd, Street, MD was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 3940 Prospect Rd, Street, MD?

3940 Prospect Rd, Street, MD is assigned to North Harford High School (high), rated B-; North Harford Elementary School (elementary), rated B+; North Harford Middle School (middle), rated B. All sit in Harford County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3940 Prospect Rd, Street, MD compare to other homes in Street 21154?

Among the 2,208 homes in Street 21154, it is worth more than 67% of them ($644,092 against a typical $530,667), its price per square foot is higher than 70% of them ($306 against a typical $274), it is bigger than 57% of them (2,106 ft² against a typical 1,942 ft²), its lot is bigger than 96% of them (30 ac against a typical 2.73 ac) and it is newer than 8% of them (1920 against a typical 1986). Measured against all of Harford County, it is worth more than 86% 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 3940 Prospect Rd, Street, MD?

The 2026 property tax bill for 3940 Prospect Rd, Street, MD was $3,369. The county assessed it at $303,600.

More homes on Prospect Rd

Closest homes

More homes in Street 21154

Assigned schools

Explore the area

See this home in context

Open 3940 Prospect Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map