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Single Family ResidenceResidential
$423,000$240 / 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 Aug 30, 2026

4042 OLD ROCKS RD

STREET, MD 21154
1
Baths
1,764 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.
1.54 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
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

$423K
$389K low$457K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,773 (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.$340,700 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$321,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$359,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHARFORD
Lot (acres)The size of the land the home sits on, from county records.1.54
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Electric
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.Garage, Detached
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 · 312 ft²Porch · 252 ft²

Transaction History(1)

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.

M
North Harford Middle SchoolB
Middle · Grades 6–8 · 1.4 mi
H
North Harford High SchoolB-
High · Grades 9–12 · 1.5 mi
E
North Bend Elementary SchoolA-
Elementary · Grades PK–5 · 3.3 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%

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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

4042 Old Rocks 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 less than 69% of homes in Street 21154
  • Costs less per square foot than 73% of homes in Street 21154
  • Has a bigger lot than 85% of homes in Harford County
  • Older than 81% 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
$217K$1.1M

This home is worth more than 31% 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$423,000
CheaperTypical $530,649Pricier

Pricier than 31% of homes nearby

Price per ft²$240
CheaperTypical $274Pricier

Pricier than 27% of homes nearby

Living area1,764 ft²
SmallerTypical 1,936 ft²Bigger

Bigger than 43% of homes nearby

Lot size1.54 ac
SmallerTypical 2.76 acBigger

Bigger than 24% of homes nearby

Year built1966
OlderTypical 1986Newer

Newer than 27% of homes nearby

How 4042 Old Rocks Rd ranks against every home in each area.
MeasureThis homeStreet 21154Harford County
Estimated valuepricier than$423,00031% of homes52% of homes
Price per ft²pricier than$24027% of homes51% of homes
Living areabigger than1,764 ft²43% of homes55% of homes
Lot sizebigger than1.54 ac24% of homes85% of homes
Year builtnewer than196627% of homes19% of homes

About 4042 Old Rocks Rd

How much is 4042 Old Rocks Rd, Street, MD worth?

The TopHap Estimate for 4042 Old Rocks Rd, Street, MD is $423,000 as of Aug 30, 2026. The likely range is $388,540 to $457,460. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4042 Old Rocks Rd, Street, MD last sell?

4042 Old Rocks Rd, Street, MD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4042 Old Rocks Rd, Street, MD?

4042 Old Rocks Rd, Street, MD has 1 bathrooms, 1,764 square feet of living space and a 1.54-acre lot.

When was 4042 Old Rocks Rd, Street, MD built?

4042 Old Rocks Rd, Street, MD was built in 1966, making it 60 years old. The building has 1 story.

What schools serve 4042 Old Rocks Rd, Street, MD?

4042 Old Rocks Rd, Street, MD is assigned to North Harford Middle School (middle), rated B; North Harford High School (high), rated B-; North Bend Elementary School (elementary), rated A-. All sit in Harford County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4042 Old Rocks Rd, Street, MD compare to other homes in Street 21154?

Among the 2,208 homes in Street 21154, it is worth more than 31% of them ($423,000 against a typical $530,649), its price per square foot is higher than 27% of them ($240 against a typical $274), it is bigger than 43% of them (1,764 ft² against a typical 1,936 ft²), its lot is bigger than 24% of them (1.54 ac against a typical 2.76 ac) and it is newer than 27% of them (1966 against a typical 1986). Measured against all of Harford County, it is worth more than 52% 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 4042 Old Rocks Rd, Street, MD?

The 2026 property tax bill for 4042 Old Rocks Rd, Street, MD was $3,773. The county assessed it at $340,700.

More homes on Old Rocks Rd

Closest homes

More homes in Street 21154

Assigned schools

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