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Single Family ResidenceResidential
$320,894$176 / 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 94How 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 $99,000 on Oct 11, 1990

3817 COLLIER RD

RANDALLSTOWN, MD 21133
1.5
Baths
1,825 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.
0.17 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.
2
StoriesHow many floors the home has above ground.

Valuation

$321K
$301K low$341K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$99,000 · Oct 11, 1990
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.$162,944
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$130,355
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.52%
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.$157,950
COUNTRYWIDE HOME LOANS INC · R · recorded Nov 8, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,911 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$246,700 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$221,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$296,700

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.Split Foyer
CountyBALTIMORE
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

H
Randallstown High SchoolD
High · Grades 9–12 · 0.3 mi
E
Randallstown Elementary SchoolC
Elementary · Grades KG–5 · 0.9 mi
M
Northwest Academy of Health Sciences SchoolD+
Middle · Grades 6–8 · 2.6 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.No

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

3817 Collier 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 74% of homes in Randallstown 21133
  • Costs less per square foot than 90% of homes in Randallstown 21133
  • Bigger than 68% of homes in Baltimore County
  • Has a smaller lot than 66% 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 26% 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$320,894
CheaperTypical $367,308Pricier

Pricier than 26% of homes nearby

Price per ft²$176
CheaperTypical $230Pricier

Pricier than 10% of homes nearby

Living area1,825 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.17 ac
SmallerTypical 0.2 acBigger

Bigger than 34% of homes nearby

Year built1966
OlderTypical 1972Newer

Newer than 36% of homes nearby

How 3817 Collier Rd ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$320,89426% of homes39% of homes
Price per ft²pricier than$17610% of homes13% of homes
Living areabigger than1,825 ft²67% of homes68% of homes
Lot sizebigger than0.17 ac34% of homes50% of homes
Year builtnewer than196636% of homes52% of homes

About 3817 Collier Rd

How much is 3817 Collier Rd, Randallstown, MD worth?

The TopHap Estimate for 3817 Collier Rd, Randallstown, MD is $320,894 as of Jul 14, 2026. The likely range is $300,508 to $341,280. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3817 Collier Rd, Randallstown, MD last sell?

3817 Collier Rd, Randallstown, MD last sold on Oct 11, 1990 for $99,000, according to the county's recorded deed.

How big is 3817 Collier Rd, Randallstown, MD?

3817 Collier Rd, Randallstown, MD has 1.5 bathrooms, 1,825 square feet of living space and a 0.17-acre lot.

When was 3817 Collier Rd, Randallstown, MD built?

3817 Collier Rd, Randallstown, MD was built in 1966, making it 60 years old. It is a split foyer home. The building has 2 stories.

What schools serve 3817 Collier Rd, Randallstown, MD?

3817 Collier Rd, Randallstown, MD is assigned to Randallstown High School (high), rated D; Randallstown Elementary School (elementary), rated C; 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 3817 Collier Rd, Randallstown, MD compare to other homes in Randallstown 21133?

Among the 8,731 homes in Randallstown 21133, it is worth more than 26% of them ($320,894 against a typical $367,308), its price per square foot is higher than 10% of them ($176 against a typical $230), it is bigger than 67% of them (1,825 ft² against a typical 1,540 ft²), its lot is bigger than 34% of them (0.17 ac against a typical 0.2 ac) and it is newer than 36% of them (1966 against a typical 1972). Measured against all of Baltimore County, it is worth more than 39% 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 3817 Collier Rd, Randallstown, MD?

The 2024 property tax bill for 3817 Collier Rd, Randallstown, MD was $3,911. The county assessed it at $246,700.

Closest homes

More homes in Randallstown 21133

Assigned schools

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