Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential

21 Rockland St

CANTON, MA 02021
1.34 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
Built 200816 units1,415–1,557 ft²
$10M
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.
$629K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$427
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-9.5%vs the Canton ZIP median sale $/ft² ($472)

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.
+4.3%per yeartypical hold 5.4 yrsfrom 13 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
20062009201120132015201720212023
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
20062009201120132015201720212023

28 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.
$541K$588K$636K$683K1,415 ft²1,443 ft²1,472 ft²1,500 ft²1,529 ft²1,557 ft²
2 bd
2 bed
16 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 · 1,557 ft²
6 units
2 bd · 2 ba · 1,417 ft²
4 units
2 bd · 2 ba · 1,482 ft²
2 units
One-off layouts
4 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.

$541K–$541K
1 unit
$578K–$581K
2 units
$614K–$629K
6 units
$635K–$635K
1 unit
$652K–$655K
4 units
$675K–$683K
2 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.81%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.6%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.10.1 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.26%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$615,960
Median tax billThe middle annual property tax bill among the building's units.$5,313
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 QNov 20, 2023$570,000Unit GNov 15, 2022$525,000Unit MJul 16, 2021$525,000Unit NApr 8, 2021$459,000Unit DApr 30, 2018$445,000Unit QApr 4, 2018$449,000Unit LMay 26, 2017$410,000Unit KSep 23, 2016$378,000Unit PJun 24, 2016$425,000Unit NFeb 1, 2016$335,000

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

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.51
67
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
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.
93
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.35 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyNORFOLK
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.2014
Lot (acres)The size of the land the home sits on, from county records.1.34
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.

H
Canton High SchoolA
High · Grades 9–12 · 0.8 mi
E
Dean S. Luce Elementary SchoolB+
Elementary · Grades KG–5 · 1.0 mi
M
William H. Galvin Middle SchoolB
Middle · Grades 6–8 · 2.5 mi

District: Canton School District

Neighborhood · ZIP 02021These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.25,067
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,278 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,421
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,387
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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.

21 Rockland St
2 bd · 2.5 ba · 1,557 ft²
$683K
21 Rockland St # B
2 bd · 2.5 ba · 1,417 ft²
$628K
21 Rockland St
2 bd · 2 ba · 1,417 ft²
$627K
21 Rockland St
2 bd · 2 ba · 1,482 ft²
$653K
21 Rockland St # E
2 bd · 2 ba · 1,417 ft²
$578K
21 Rockland St # F
2 bd · 2 ba · 1,487 ft²
$614K
21 Rockland St # G
2 bd · 2.5 ba · 1,557 ft²
$652K
21 Rockland St # H
2 bd · 2.5 ba · 1,557 ft²
$655K
21 Rockland St # J
2 bd · 2.5 ba · 1,557 ft²
$655K
21 Rockland St
2 bd · 2 ba · 1,415 ft²
$635K
21 Rockland St
2 bd · 2 ba · 1,417 ft²
$629K
21 Rockland St # M
2 bd · 2 ba · 1,482 ft²
$581K
21 Rockland St
2 bd · 2 ba · 1,417 ft²
$617K
21 Rockland St
2 bd · 2 ba · 1,478 ft²
$541K
21 Rockland St # P
2 bd · 2.5 ba · 1,557 ft²
$675K
21 Rockland St # Q
2 bd · 2.5 ba · 1,557 ft²
$623K

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

About 21 Rockland St

How many units are in 21 Rockland St, Canton, MA?

21 Rockland St, Canton, MA has 16 residential units across built in 2008, according to county assessor records.

What is a unit at 21 Rockland St, Canton, MA worth?

The median TopHap Estimate across the 16 units at 21 Rockland St, Canton, MA is $628,505. That works out to $427 per square foot. Units run from 1,415 to 1,557 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 21 Rockland St, Canton, MA expensive for Canton?

Units at 21 Rockland St, Canton, MA carry a median of $427 per square foot, 10% below the Canton median of $472 per square foot.

How often do units sell at 21 Rockland St, Canton, MA?

0 units at 21 Rockland St, Canton, MA sold in the last 12 months, out of 28 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 21 Rockland St, Canton, MA appreciated?

Across 13 repeat sales of the same unit, 21 Rockland St, Canton, MA returned a median 4.3% 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 5.4 years.

What floor plans does 21 Rockland St, Canton, MA have?

The most common plan at 21 Rockland St, Canton, MA is a 2-bedroom of 1,557 square feet, repeated 6 times, with a median estimate of $655,393. TopHap identifies 3 recurring plans in the building.

More homes on Rockland St

Closest homes

More homes in Canton 02021

Assigned schools

Explore the area

See this home in context

Open 21 Rockland St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map