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CondominiumResidential

3 OLD COLONY LN

ARLINGTON, MA 02476
4.93 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 196511 units365–730 ft²
$2.9M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$346K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$474
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+2.3%vs the Arlington ZIP median sale $/ft² ($464)

Sales Performance

—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.

4 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

1 bed
6 units
2 bed
5 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
1 bd · 1 ba · 605 ft²
5 units
2 bd · 1 ba · 730 ft²
5 units
One-off layouts
1 unit

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$229K–$229K
1 unit
$319K–$319K
3 units
$346K–$346K
5 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.0%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.100%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.126.8 yrs
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.0%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$353,000
Median tax billThe middle annual property tax bill among the building's units.$3,279
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 4Dec 9, 1991$43,400Unit 8May 17, 1991$55,000Unit 8Nov 16, 1988$110,000Unit 4Jun 22, 1988$314,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,480 (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.$323,100 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$323,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$280,820

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.48
59
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.23 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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1967
ConstructionThe main material the home's frame and walls are built from.Steel Frame
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Electric
CoolingThe type of cooling or air conditioning in the home.Yes
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.

M
Ottoson Middle SchoolA+
Middle · Grades 7–8 · 0.2 mi
E
Stratton Elementary SchoolA
Elementary · Grades KG–5 · 0.5 mi
H
Arlington High SchoolA+
High · Grades 9–12 · 0.6 mi

District: Arlington School District

Neighborhood · ZIP 02476These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.18,178
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,391 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,237
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$192,900
Average tempThe average temperature here across a full year.49°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.58%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

3 Old Colony Ln
2 bd · 1 ba · 730 ft²
$346K
3 Old Colony Ln # 1
2 bd · 1 ba · 730 ft²
$346K
3 Old Colony Ln # 2
1 bd · 1 ba · 605 ft²
$319K
3 Old Colony Ln # 4
1 bd · 1 ba · 365 ft²
$229K
3 Old Colony Ln # 5
2 bd · 1 ba · 730 ft²
$346K
3 Old Colony Ln # 6
1 bd · 1 ba · 605 ft²
3 Old Colony Ln # 7
2 bd · 1 ba · 730 ft²
$346K
3 Old Colony Ln # 8
1 bd · 1 ba · 605 ft²
3 Old Colony Ln # 9
2 bd · 1 ba · 730 ft²
$346K
3 Old Colony Ln # 10
1 bd · 1 ba · 605 ft²
$319K
3 Old Colony Ln # 11
2 bd · 1 ba · 730 ft²
$346K
3 Old Colony Ln # 12
1 bd · 1 ba · 605 ft²
$319K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 3 Old Colony Ln

How many units are in 3 Old Colony Ln, Arlington, MA?

3 Old Colony Ln, Arlington, MA has 11 residential units across built in 1965, according to county assessor records.

What is a unit at 3 Old Colony Ln, Arlington, MA worth?

The median TopHap Estimate across the 11 units at 3 Old Colony Ln, Arlington, MA is $346,369. That works out to $474 per square foot. Units run from 365 to 730 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 3 Old Colony Ln, Arlington, MA expensive for Arlington?

Units at 3 Old Colony Ln, Arlington, MA carry a median of $474 per square foot, 2% above the Arlington median of $464 per square foot.

How often do units sell at 3 Old Colony Ln, Arlington, MA?

0 units at 3 Old Colony Ln, Arlington, MA sold in the last 12 months, out of 4 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

What floor plans does 3 Old Colony Ln, Arlington, MA have?

The most common plan at 3 Old Colony Ln, Arlington, MA is a 1-bedroom of 605 square feet, repeated 5 times, with a median estimate of $319,218. TopHap identifies 2 recurring plans in the building.

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