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Single Family ResidenceResidential
$707,199$285 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $535,000 on Dec 26, 2019

3603 SOUTHSIDE AVE

PHOENIX, MD 21131
4 / 1
Baths
2,480 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.
1.06 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$707K
$632K low$782K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$535,000 · Dec 26, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,504 (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.$483,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$196,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$287,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$454,267
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$483,300

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.1.06
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
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.Deck · 600 ft²Porch · 304 ft²

Transaction History(3)

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
Jacksonville Elementary SchoolA+
Elementary · Grades PK–5 · 0.7 mi
H
Dulaney High SchoolB-
High · Grades 9–12 · 5.2 mi
M
Cockeysville Middle SchoolB-
Middle · Grades 6–8 · 5.3 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21131These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
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.6,900
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$192,104
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$213,132
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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

3603 Southside 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 90% of homes in Baltimore County
  • Costs more per square foot than 80% of homes in Baltimore County
  • Bigger than 85% of homes in Baltimore County
  • Has a bigger lot than 89% of homes in Baltimore County
  • Newer than 73% of homes in Phoenix 21131

What homes are worth in Phoenix 21131

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

This home
$338K$1.6M

This home is worth more than 42% of homes in Phoenix 21131.

How it measures up in Phoenix 21131

The dot is this home. The mark in the middle is the typical home in Phoenix 21131.

Estimated value$707,199
CheaperTypical $747,632Pricier

Pricier than 42% of homes nearby

Price per ft²$285
CheaperTypical $274Pricier

Pricier than 63% of homes nearby

Living area2,480 ft²
SmallerTypical 2,720 ft²Bigger

Bigger than 39% of homes nearby

Lot size1.06 ac
SmallerTypical 1.4 acBigger

Bigger than 30% of homes nearby

Year built1988
OlderTypical 1979Newer

Newer than 73% of homes nearby

How 3603 Southside Ave ranks against every home in each area.
MeasureThis homePhoenix 21131Baltimore County
Estimated valuepricier than$707,19942% of homes90% of homes
Price per ft²pricier than$28563% of homes80% of homes
Living areabigger than2,480 ft²39% of homes85% of homes
Lot sizebigger than1.06 ac30% of homes89% of homes
Year builtnewer than198873% of homes73% of homes

About 3603 Southside Ave

How much is 3603 Southside Ave, Phoenix, MD worth?

The TopHap Estimate for 3603 Southside Ave, Phoenix, MD is $707,199 as of Oct 21, 2026. The likely range is $631,982 to $782,416. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3603 Southside Ave, Phoenix, MD last sell?

3603 Southside Ave, Phoenix, MD last sold on Dec 26, 2019 for $535,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 3603 Southside Ave, Phoenix, MD?

3603 Southside Ave, Phoenix, MD has 4 bathrooms, 2,480 square feet of living space and a 1.06-acre lot.

When was 3603 Southside Ave, Phoenix, MD built?

3603 Southside Ave, Phoenix, MD was built in 1988, making it 38 years old. It is a conventional home. The building has 2 stories.

What schools serve 3603 Southside Ave, Phoenix, MD?

3603 Southside Ave, Phoenix, MD is assigned to Jacksonville Elementary School (elementary), rated A+; Dulaney High School (high), rated B-; Cockeysville Middle School (middle), rated B-. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3603 Southside Ave, Phoenix, MD compare to other homes in Phoenix 21131?

Among the 2,789 homes in Phoenix 21131, it is worth more than 42% of them ($707,199 against a typical $747,632), its price per square foot is higher than 63% of them ($285 against a typical $274), it is bigger than 39% of them (2,480 ft² against a typical 2,720 ft²), its lot is bigger than 30% of them (1.06 ac against a typical 1.4 ac) and it is newer than 73% of them (1988 against a typical 1979). Measured against all of Baltimore County, it is worth more than 90% 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 3603 Southside Ave, Phoenix, MD?

The 2025 property tax bill for 3603 Southside Ave, Phoenix, MD was $5,504. The county assessed it at $483,300.

More homes on Southside Ave

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