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CondominiumResidential

159 Allen Rd

BILLERICA, MA 01821
21.61 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Built 200557 units2,047–2,702 ft²
$34M
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.
$601K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$291
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-33.4%vs the Billerica ZIP median sale $/ft² ($437)

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.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+2.7%per yeartypical hold 10.4 yrsfrom 27 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20052007200920112019202120232025
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20052007200920112019202120232025

84 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.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$293K$426K$559K$692K2,047 ft²2,178 ft²2,309 ft²2,440 ft²2,571 ft²2,702 ft²
3 bd
3 bed
57 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.
3 bd · 2 ba · 2,047 ft²
45 units
3 bd · 2 ba · 2,278 ft²
8 units
3 bd · 2.5 ba · 2,047 ft²
2 units
One-off layouts
2 units

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.

$293K–$323K
4 units
$548K–$592K
6 units
$593K–$642K
36 units
$643K–$692K
11 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.86%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.46%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.11.3 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.75%
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.16%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$595,588
Median tax billThe middle annual property tax bill among the building's units.$6,179
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 43Jul 2, 2025$270,750Unit 22May 28, 2025$266,700Unit 46Oct 25, 2024$259,200Unit 48Feb 23, 2024$587,000Unit 34Jul 7, 2023$520,000Unit 14Jan 27, 2023$528,000Unit 5Jul 26, 2022$540,000Unit 49Jun 13, 2022$495,000Unit 7Jun 8, 2022$521,000Unit 25Apr 22, 2022$550,000

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

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.18 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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.21.61
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.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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

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

M
Locke Middle SchoolB
Middle · Grades 5–7 · 0.5 mi
E
Thomas DitsonB
Elementary · Grades KG–4 · 1.3 mi
H
Billerica Memorial High SchoolC+
High · Grades 8–12 · 1.8 mi

District: Billerica School District

Neighborhood · ZIP 01821These 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.40
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.31,495
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,857 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,460
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,991
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.

159 Allen Rd
3 bd · 2 ba · 2,047 ft²
$617K
159 Allen Rd # 2
3 bd · 2.5 ba · 2,047 ft²
$606K
159 Allen Rd # 3
3 bd · 2 ba · 2,047 ft²
$626K
159 Allen Rd # 4
3 bd · 2 ba · 2,047 ft²
$660K
159 Allen Rd
3 bd · 2 ba · 2,047 ft²
$615K
159 Allen Rd # 6
3 bd · 2 ba · 2,278 ft²
$692K
159 Allen Rd # 7
3 bd · 2 ba · 2,047 ft²
$595K
159 Allen Rd # 8
3 bd · 2 ba · 2,047 ft²
$596K
159 Allen Rd
3 bd · 2 ba · 2,047 ft²
$596K
159 Allen Rd # 10
3 bd · 2 ba · 2,047 ft²
$596K
159 Allen Rd # 11
3 bd · 2 ba · 2,047 ft²
$596K
159 Allen Rd # 12
3 bd · 2 ba · 2,278 ft²
$628K
159 Allen Rd # 13
3 bd · 2 ba · 2,048 ft²
$598K
159 Allen Rd # 14
3 bd · 2 ba · 2,047 ft²
$597K
159 Allen Rd
3 bd · 2 ba · 2,047 ft²
$587K
159 Allen Rd # 16
3 bd · 2 ba · 2,047 ft²
$596K
159 Allen Rd # 17
3 bd · 2 ba · 2,047 ft²
$593K
159 Allen Rd # 18
3 bd · 2 ba · 2,278 ft²
$633K
159 Allen Rd # 19
3 bd · 2 ba · 2,047 ft²
$595K
159 Allen Rd # 20
3 bd · 2 ba · 2,047 ft²
$587K
159 Allen Rd # 21
3 bd · 2 ba · 2,047 ft²
$548K
159 Allen Rd # 22
3 bd · 2 ba · 2,047 ft²
$293K
159 Allen Rd # 23
3 bd · 2 ba · 2,047 ft²
$595K
159 Allen Rd # 24
3 bd · 2.5 ba · 2,047 ft²
$607K
159 Allen Rd # 25
3 bd · 2 ba · 2,047 ft²
$597K
159 Allen Rd # 26
3 bd · 2 ba · 2,278 ft²
$605K
159 Allen Rd # 27
3 bd · 2 ba · 2,702 ft²
$654K
159 Allen Rd # 28
3 bd · 2 ba · 2,278 ft²
$616K
159 Allen Rd # 29
3 bd · 2 ba · 2,047 ft²
$596K
159 Allen Rd # 30
3 bd · 2 ba · 2,047 ft²
$601K
159 Allen Rd # 31
3 bd · 2 ba · 2,047 ft²
$642K
159 Allen Rd # 32
3 bd · 2 ba · 2,047 ft²
$622K
159 Allen Rd # 33
3 bd · 2 ba · 2,047 ft²
$323K
159 Allen Rd # 34
3 bd · 2 ba · 2,047 ft²
$602K
159 Allen Rd # 35
3 bd · 2 ba · 2,047 ft²
$597K
159 Allen Rd # 36
3 bd · 2 ba · 2,278 ft²
$626K
159 Allen Rd # 37
3 bd · 2 ba · 2,047 ft²
$603K
159 Allen Rd # 38
3 bd · 2 ba · 2,047 ft²
$602K
159 Allen Rd # 39
3 bd · 2 ba · 2,047 ft²
$659K
159 Allen Rd # 40
3 bd · 2 ba · 2,047 ft²
$646K
159 Allen Rd # 41
3 bd · 2 ba · 2,047 ft²
$655K
159 Allen Rd # 42
3 bd · 2 ba · 2,278 ft²
$621K
159 Allen Rd # 43
3 bd · 2 ba · 2,047 ft²
$593K
159 Allen Rd # 44
3 bd · 2 ba · 2,047 ft²
$595K
159 Allen Rd # 45
3 bd · 2 ba · 2,047 ft²
$595K
159 Allen Rd # 46
3 bd · 2 ba · 2,047 ft²
$296K
159 Allen Rd # 47
3 bd · 2 ba · 2,047 ft²
$645K
159 Allen Rd # 48
3 bd · 2 ba · 2,278 ft²
$664K
159 Allen Rd # 49
3 bd · 2 ba · 2,047 ft²
$589K
159 Allen Rd # 50
3 bd · 2 ba · 2,047 ft²
$592K
159 Allen Rd # 51
3 bd · 2 ba · 2,047 ft²
$319K
159 Allen Rd # 52
3 bd · 2 ba · 2,047 ft²
$643K
159 Allen Rd # 53
3 bd · 2 ba · 2,047 ft²
$596K
159 Allen Rd # 54
3 bd · 2 ba · 2,047 ft²
$645K
159 Allen Rd # 55
3 bd · 2 ba · 2,047 ft²
$606K
159 Allen Rd # 56
3 bd · 2 ba · 2,047 ft²
$591K
159 Allen Rd # 57
3 bd · 2 ba · 2,047 ft²
$669K

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

About 159 Allen Rd

How many units are in 159 Allen Rd, Billerica, MA?

159 Allen Rd, Billerica, MA has 57 residential units across built in 2005, according to county assessor records.

What is a unit at 159 Allen Rd, Billerica, MA worth?

The median TopHap Estimate across the 57 units at 159 Allen Rd, Billerica, MA is $601,423. That works out to $291 per square foot. Units run from 2,047 to 2,702 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 159 Allen Rd, Billerica, MA expensive for Billerica?

Units at 159 Allen Rd, Billerica, MA carry a median of $291 per square foot, 33% below the Billerica median of $437 per square foot.

How often do units sell at 159 Allen Rd, Billerica, MA?

0 units at 159 Allen Rd, Billerica, MA sold in the last 12 months, out of 84 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 159 Allen Rd, Billerica, MA appreciated?

Across 27 repeat sales of the same unit, 159 Allen Rd, Billerica, MA returned a median 2.7% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 10.4 years.

What floor plans does 159 Allen Rd, Billerica, MA have?

The most common plan at 159 Allen Rd, Billerica, MA is a 3-bedroom of 2,047 square feet, repeated 45 times, with a median estimate of $595,867. TopHap identifies 3 recurring plans in the building.

More homes on Allen Rd

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More homes in Billerica 01821

Assigned schools

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