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Residential (General/Single)Residential
$526,666
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 87How 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

COLLIER RUN RD

MIDDLE RIVER, MD 21220
0
Baths
16.55 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$527K
$458K low$596K high
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.$526,666
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$421,333

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.69 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Residential (General/Single)
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.16.55
HeatingThe type of heating system in the home.None
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
Vincent Farm Elementary SchoolB-
Elementary · Grades PK–5 · 1.4 mi
M
Middle River Middle SchoolD-
Middle · Grades 6–8 · 1.9 mi
H
Kenwood High SchoolD-
High · Grades 9–12 · 3.0 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21220These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.43,388
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,388 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,236
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,046
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

Collier Run 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 82% of homes in Middle River 21220
  • Among the largest lots in Middle River 21220

What homes are worth in Middle River 21220

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

This home
$162K$853K

This home is worth more than 82% of homes in Middle River 21220.

How it measures up in Middle River 21220

The dot is this home. The mark in the middle is the typical home in Middle River 21220.

Estimated value$526,666
CheaperTypical $340,742Pricier

Pricier than 82% of homes nearby

Lot size16.55 ac
SmallerTypical 0.13 acBigger

Bigger than almost all homes nearby

How Collier Run Rd ranks against every home in each area.
MeasureThis homeMiddle River 21220Baltimore County
Estimated valuepricier than$526,66682% of homes78% of homes
Lot sizebigger than16.55 acalmost all homesalmost all homes

About Collier Run Rd

How much is Collier Run Rd, Middle River, MD worth?

The TopHap Estimate for Collier Run Rd, Middle River, MD is $526,666 as of Jul 14, 2026. The likely range is $457,657 to $595,675. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Collier Run Rd, Middle River, MD last sell?

Collier Run Rd, Middle River, MD last sold on May 16, 2019, according to the county's recorded deed.

What schools serve Collier Run Rd, Middle River, MD?

Collier Run Rd, Middle River, MD is assigned to Vincent Farm Elementary School (elementary), rated B-; Middle River Middle School (middle), rated D-; Kenwood High School (high), rated D-. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Collier Run Rd, Middle River, MD compare to other homes in Middle River 21220?

Among the 13,074 homes in Middle River 21220, it is worth more than 82% of them ($526,666 against a typical $340,742) and its lot is bigger than almost all of them (16.55 ac against a typical 0.13 ac). Measured against all of Baltimore County, it is worth more than 78% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Collier Run Rd

Closest homes

More homes in Middle River 21220

Assigned schools

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