Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$281,994$226 / 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 Jul 14, 2026
Last sold for $145,000 on May 26, 2015

3623 BLAIR AVE

RANDALLSTOWN, MD 21133
3 / 1
Baths
1,248 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$282K
$268K low$296K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$145,000 · May 26, 2015
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$94,396
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$75,517
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.69%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$187,598
CITIBANK NA · recorded May 26, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,430 (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.$236,667 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$217,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$274,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.0.26
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Randallstown Elementary SchoolC
Elementary · Grades KG–5 · 0.6 mi
H
Randallstown High SchoolD
High · Grades 9–12 · 1.2 mi
M
Northwest Academy of Health Sciences SchoolD+
Middle · Grades 6–8 · 1.6 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21133These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.27,963
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,709 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,976
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,908
Average tempThe average temperature here across a full year.54°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

3623 Blair Ave 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 90% of homes in Randallstown 21133
  • Smaller than 78% of homes in Randallstown 21133
  • Has a bigger lot than 73% of homes in Randallstown 21133
  • Older than 86% of homes in Randallstown 21133

What homes are worth in Randallstown 21133

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

This home
$252K$673K

This home is worth more than 10% of homes in Randallstown 21133.

How it measures up in Randallstown 21133

The dot is this home. The mark in the middle is the typical home in Randallstown 21133.

Estimated value$281,994
CheaperTypical $367,308Pricier

Pricier than 10% of homes nearby

Price per ft²$226
CheaperTypical $230Pricier

Pricier than 47% of homes nearby

Living area1,248 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.26 ac
SmallerTypical 0.2 acBigger

Bigger than 73% of homes nearby

Year built1958
OlderTypical 1972Newer

Newer than 14% of homes nearby

How 3623 Blair Ave ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$281,99410% of homes28% of homes
Price per ft²pricier than$22647% of homes44% of homes
Living areabigger than1,248 ft²22% of homes32% of homes
Lot sizebigger than0.26 ac73% of homes70% of homes
Year builtnewer than195814% of homes41% of homes

About 3623 Blair Ave

How much is 3623 Blair Ave, Randallstown, MD worth?

The TopHap Estimate for 3623 Blair Ave, Randallstown, MD is $281,994 as of Jul 14, 2026. The likely range is $268,391 to $295,597. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3623 Blair Ave, Randallstown, MD last sell?

3623 Blair Ave, Randallstown, MD last sold on May 26, 2015 for $145,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 3623 Blair Ave, Randallstown, MD?

3623 Blair Ave, Randallstown, MD has 3 bathrooms, 1,248 square feet of living space and a 0.26-acre lot.

When was 3623 Blair Ave, Randallstown, MD built?

3623 Blair Ave, Randallstown, MD was built in 1958, making it 68 years old. It is a conventional home. The building has 1 story.

What schools serve 3623 Blair Ave, Randallstown, MD?

3623 Blair Ave, Randallstown, MD is assigned to Randallstown Elementary School (elementary), rated C; Randallstown High School (high), rated D; Northwest Academy of Health Sciences School (middle), rated D+. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3623 Blair Ave, Randallstown, MD compare to other homes in Randallstown 21133?

Among the 8,731 homes in Randallstown 21133, it is worth more than 10% of them ($281,994 against a typical $367,308), its price per square foot is higher than 47% of them ($226 against a typical $230), it is bigger than 22% of them (1,248 ft² against a typical 1,540 ft²), its lot is bigger than 73% of them (0.26 ac against a typical 0.2 ac) and it is newer than 14% of them (1958 against a typical 1972). Measured against all of Baltimore County, it is worth more than 28% 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 3623 Blair Ave, Randallstown, MD?

The 2025 property tax bill for 3623 Blair Ave, Randallstown, MD was $3,430. The county assessed it at $236,667.

Closest homes

More homes in Randallstown 21133

Assigned schools

Explore the area

See this home in context

Open 3623 Blair Ave 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