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CondominiumResidential

10 Charnstaff Ln

BILLERICA, MA 01821
4.07 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Built 20045 floors26 units1,450–2,756 ft²
$18M
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.
$693K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$341
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+39.3%vs the Billerica ZIP median sale $/ft² ($245)

Sales Performance

$626K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
3.8%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+1.6%per yeartypical hold 10.9 yrsfrom 19 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20042006201320152018202020222026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20042006201320152018202020222026

46 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.
$304K$470K$636K$802K1,450 ft²1,711 ft²1,972 ft²2,234 ft²2,495 ft²2,756 ft²
2 bd
2 bed
26 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.
2 bd · 2.5 ba · 2,310 ft²
8 units
2 bd · 2.5 ba · 1,910 ft²
7 units
2 bd · 1.5 ba · 1,450 ft²
2 units
2 bd · 2.5 ba · 1,850 ft²
2 units
One-off layouts
7 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.

$304K–$304K
1 unit
$378K–$378K
1 unit
$538K–$545K
2 units
$637K–$658K
4 units
$677K–$721K
11 units
$781K–$802K
7 units

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$298/ft²
Floor 2
$310/ft²
Floor 3
$346/ft²
Floor 4
$325/ft²
Floor 5
$319/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·03
$343/ft²
Line ·05
$337/ft²
Line ·02
$329/ft²
Line ·04
$328/ft²
Line ·01
$294/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.88%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.8%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.12.0 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.50%
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.42%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$654,587
Median tax billThe middle annual property tax bill among the building's units.$6,486
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 204Jan 5, 2026$625,500Unit 404Jul 11, 2023$525,000Unit 202Jun 23, 2023$646,000Unit 103Jan 10, 2023$535,000Unit 403Oct 7, 2022$631,000Unit 302Apr 29, 2022$600,000Unit 202Jan 22, 2021$520,000Unit 205Nov 23, 2020$500,000Unit 502Nov 20, 2020$542,000Unit 102Aug 28, 2019$370,000

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

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMIDDLESEX
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
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.

E
ParkerA-
Elementary · Grades KG–4 · 0.4 mi
H
Billerica Memorial High SchoolC
High · Grades 8–12 · 0.7 mi
M
Marshall Middle SchoolB-
Middle · Grades 5–7 · 1.2 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.

10 Charnstaff Ln # 101
2 bd · 1.5 ba · 1,450 ft²
$304K
10 Charnstaff Ln # 102
2 bd · 1.5 ba · 1,450 ft²
$545K
10 Charnstaff Ln # 103
2 bd · 1.5 ba · 2,088 ft²
$642K
10 Charnstaff Ln # 201
2 bd · 2.5 ba · 2,727 ft²
$710K
10 Charnstaff Ln # 202
2 bd · 2.5 ba · 2,710 ft²
$700K
10 Charnstaff Ln # 203
2 bd · 2.5 ba · 1,910 ft²
$691K
10 Charnstaff Ln # 204
2 bd · 2.5 ba · 1,910 ft²
$637K
10 Charnstaff Ln # 205
2 bd · 2.5 ba · 2,310 ft²
$781K
10 Charnstaff Ln # 301
2 bd · 2.5 ba · 1,850 ft²
$538K
10 Charnstaff Ln # 302
2 bd · 2.5 ba · 1,850 ft²
$721K
10 Charnstaff Ln # 303
2 bd · 2.5 ba · 1,910 ft²
$690K
10 Charnstaff Ln # 304
2 bd · 2.5 ba · 2,310 ft²
$786K
10 Charnstaff Ln # 401
2 bd · 2.5 ba · 1,910 ft²
$689K
10 Charnstaff Ln # 402
2 bd · 2.5 ba · 1,910 ft²
$680K
10 Charnstaff Ln # 403
2 bd · 2.5 ba · 2,310 ft²
$793K
10 Charnstaff Ln # 404
2 bd · 2.5 ba · 2,310 ft²
$677K
10 Charnstaff Ln # 405
2 bd · 2.5 ba · 2,310 ft²
$795K
10 Charnstaff Ln # 406
2 bd · 3.5 ba · 2,756 ft²
$699K
10 Charnstaff Ln # 501
2 bd · 2.5 ba · 2,310 ft²
$802K
10 Charnstaff Ln # 502
2 bd · 2.5 ba · 2,408 ft²
$640K
10 Charnstaff Ln # 503
2 bd · 2.5 ba · 2,310 ft²
$791K
10 Charnstaff Ln # 504
2 bd · 2.5 ba · 1,910 ft²
$658K
10 Charnstaff Ln # 505
2 bd · 2.5 ba · 2,109 ft²
$695K
10 Charnstaff Ln # 506
2 bd · 2.5 ba · 2,310 ft²
$799K
10 Charnstaff Ln # 507
2 bd · 2.5 ba · 1,910 ft²
$695K
10 Charnstaff Ln # 508
2 bd · 2.5 ba · 1,810 ft²
$378K

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

About 10 Charnstaff Ln

How many units are in 10 Charnstaff Ln, Billerica, MA?

10 Charnstaff Ln, Billerica, MA has 26 residential units across 5 floors, built in 2004, according to county assessor records.

What is a unit at 10 Charnstaff Ln, Billerica, MA worth?

The median TopHap Estimate across the 26 units at 10 Charnstaff Ln, Billerica, MA is $693,275. That works out to $341 per square foot. Units run from 1,450 to 2,756 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 10 Charnstaff Ln, Billerica, MA expensive for Billerica?

Units at 10 Charnstaff Ln, Billerica, MA carry a median of $341 per square foot, 39% above the Billerica median of $245 per square foot.

How often do units sell at 10 Charnstaff Ln, Billerica, MA?

1 units at 10 Charnstaff Ln, Billerica, MA sold in the last 12 months, out of 46 recorded arms-length sales all time. That is a turnover rate of 3.8% of the building per year. The median sale over that period was $626K.

Have units at 10 Charnstaff Ln, Billerica, MA appreciated?

Across 19 repeat sales of the same unit, 10 Charnstaff Ln, Billerica, MA returned a median 1.6% 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 10.9 years.

What floor plans does 10 Charnstaff Ln, Billerica, MA have?

The most common plan at 10 Charnstaff Ln, Billerica, MA is a 2-bedroom of 2,310 square feet, repeated 8 times, with a median estimate of $792,248. TopHap identifies 4 recurring plans in the building.

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