Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$444,049
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 96How 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 $805,000 on May 4, 2026

4 MERION AVE

ROSEDALE, MD 21237
0
Baths
2,100 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$444K
$424K low$464K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$805,000 · May 4, 2026
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.$444,049
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$355,239

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,321 (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.$110,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$110,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$110,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$110,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyBALTIMORE
Lot (acres)The size of the land the home sits on, from county records.0.05
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Rossville Elementary SchoolB+
Elementary · Grades EE–5 · 0.6 mi
H
Overlea High SchoolD
High · Grades 9–12 · 2.4 mi
M
Parkville Middle SchoolC-
Middle · Grades 6–8 · 2.6 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21237These 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.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.31,022
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,671 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,346
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,623
Average tempThe average temperature here across a full year.56°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.Absentee owner
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

4 Merion 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 more than 86% of homes in Rosedale 21237
  • Has a smaller lot than 80% of homes in Baltimore County

What homes are worth in Rosedale 21237

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

This home
$167K$629K

This home is worth more than 86% of homes in Rosedale 21237.

How it measures up in Rosedale 21237

The dot is this home. The mark in the middle is the typical home in Rosedale 21237.

Estimated value$444,049
CheaperTypical $314,539Pricier

Pricier than 86% of homes nearby

Lot size2,100 ft²
SmallerTypical 0.16 acBigger

Bigger than 22% of homes nearby

How 4 Merion Ave ranks against every home in each area.
MeasureThis homeRosedale 21237Baltimore County
Estimated valuepricier than$444,04986% of homes68% of homes
Lot sizebigger than2,100 ft²22% of homes20% of homes

About 4 Merion Ave

How much is 4 Merion Ave, Rosedale, MD worth?

The TopHap Estimate for 4 Merion Ave, Rosedale, MD is $444,049 as of Jul 14, 2026. The likely range is $424,128 to $463,970. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Merion Ave, Rosedale, MD last sell?

4 Merion Ave, Rosedale, MD last sold on May 4, 2026 for $805,000, according to the county's recorded deed.

What schools serve 4 Merion Ave, Rosedale, MD?

4 Merion Ave, Rosedale, MD is assigned to Rossville Elementary School (elementary), rated B+; Overlea High School (high), rated D; Parkville Middle School (middle), rated C-. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Merion Ave, Rosedale, MD compare to other homes in Rosedale 21237?

Among the 9,170 homes in Rosedale 21237, it is worth more than 86% of them ($444,049 against a typical $314,539) and its lot is bigger than 22% of them (2,100 ft² against a typical 0.16 ac). Measured against all of Baltimore County, it is worth more than 68% 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 4 Merion Ave, Rosedale, MD?

The 2025 property tax bill for 4 Merion Ave, Rosedale, MD was $1,321. The county assessed it at $110,000.

Closest homes

More homes in Rosedale 21237

Assigned schools

Explore the area

See this home in context

Open 4 Merion 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