Skip to content
Skip to content
TopHapOpen in map
Rural ResidenceResidential
$344,998$302 / 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

4201 OSBORN RD

BORING, MD 21020
1
Baths
1,144 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.
12.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1842
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$345K
$329K low$361K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,328 (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.$200,167 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$184,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$232,500

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.61 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.1 percent flood zone

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
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.12.46
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
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
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.Shed · 150 ft²Porch · 168 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.

M
Franklin Middle SchoolC-
Middle · Grades 6–8 · 4.6 mi
E
Franklin Elementary SchoolB
Elementary · Grades EE–5 · 4.8 mi
H
Franklin High SchoolC+
High · Grades 9–12 · 5.5 mi

District: Baltimore County Public Schools

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

4201 Osborn 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.

  • Costs more per square foot than 85% of homes in Baltimore County
  • Smaller than 80% of homes in Baltimore County
  • Among the largest lots in Baltimore County
  • Among the oldest homes in Baltimore County

What homes are worth in Baltimore County

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

This home
$269K$704K

This home is worth more than 29% of homes in Baltimore County.

How it measures up in Baltimore County

The dot is this home. The mark in the middle is the typical home in Baltimore County.

Estimated value$344,998
CheaperTypical $356,149Pricier

Pricier than 47% of homes nearby

Price per ft²$302
CheaperTypical $231Pricier

Pricier than 85% of homes nearby

Living area1,144 ft²
SmallerTypical 1,480 ft²Bigger

Bigger than 20% of homes nearby

Lot size12.46 ac
SmallerTypical 0.17 acBigger

Bigger than almost all homes nearby

Year built1842
OlderTypical 1965Newer

Older than almost all homes nearby

How 4201 Osborn Rd ranks against every home in each area.
MeasureThis homeBaltimore County
Estimated valuepricier than$344,99847% of homes
Price per ft²pricier than$30285% of homes
Living areabigger than1,144 ft²20% of homes
Lot sizebigger than12.46 acalmost all homes
Year builtnewer than1842almost no homes

About 4201 Osborn Rd

How much is 4201 Osborn Rd, Boring, MD worth?

The TopHap Estimate for 4201 Osborn Rd, Boring, MD is $344,998 as of Sep 24, 2026. The likely range is $328,958 to $361,038. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 4201 Osborn Rd, Boring, MD?

4201 Osborn Rd, Boring, MD has 1 bathrooms, 1,144 square feet of living space and a 12.46-acre lot.

When was 4201 Osborn Rd, Boring, MD built?

4201 Osborn Rd, Boring, MD was built in 1842, making it 184 years old. It is a conventional home. The building has 2 stories.

What schools serve 4201 Osborn Rd, Boring, MD?

4201 Osborn Rd, Boring, MD is assigned to Franklin Middle School (middle), rated C-; Franklin Elementary School (elementary), rated B; Franklin High School (high), rated C+. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4201 Osborn Rd, Boring, MD compare to other homes in Baltimore County?

Among the 259,487 homes in Baltimore County, it is worth more than 47% of them ($344,998 against a typical $356,149), its price per square foot is higher than 85% of them ($302 against a typical $231), it is bigger than 20% of them (1,144 ft² against a typical 1,480 ft²), its lot is bigger than almost all of them (12.46 ac against a typical 0.17 ac) and it is newer than almost none of them (1842 against a typical 1965). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4201 Osborn Rd, Boring, MD?

The 2025 property tax bill for 4201 Osborn Rd, Boring, MD was $2,328. The county assessed it at $200,167.

More homes on Osborn Rd

Closest homes

More homes in Boring 21020

Assigned schools

Explore the area

See this home in context

Open 4201 Osborn 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