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Single Family ResidenceResidential
$446,170$390 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

21 WARREN AVE

ROCKLAND, MA 02370
3
Beds
1
Baths
1,144 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$446K
$419K low$473K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$313,170
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$250,536
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.30%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$133,000
Null Placeholder · 6.46% 1 · recorded May 6, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,722 (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.$418,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$225,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$193,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$451,250

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.Ranch
CountyPLYMOUTH
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.1972
Lot (acres)The size of the land the home sits on, from county records.0.22
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.Hot Water
FireplaceWhether the home has a fireplace, and what kind.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.

H
Rockland High SchoolC-
High · Grades 9–12 · 1.5 mi
M
John W. Rodgers Middle SchoolC-
Middle · Grades 5–8 · 1.5 mi
E
Phelps Elementary SchoolB
Elementary · Grades 1–4 · 1.9 mi

District: Rockland School District

Neighborhood · ZIP 02370These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.18,041
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,810 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,099
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,368
Average tempThe average temperature here across a full year.50°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.52%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

21 Warren 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 less than 86% of homes in Plymouth County
  • Costs more per square foot than 69% of homes in Rockland 02370
  • Smaller than 81% of homes in Rockland 02370
  • Has a smaller lot than 80% of homes in Rockland 02370
  • Older than 66% of homes in Plymouth County

What homes are worth in Rockland 02370

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

This home
$231K$870K

This home is worth more than 16% of homes in Rockland 02370.

How it measures up in Rockland 02370

The dot is this home. The mark in the middle is the typical home in Rockland 02370.

Estimated value$446,170
CheaperTypical $530,462Pricier

Pricier than 16% of homes nearby

Price per ft²$390
CheaperTypical $351Pricier

Pricier than 69% of homes nearby

Living area1,144 ft²
SmallerTypical 1,574 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.22 ac
SmallerTypical 0.35 acBigger

Bigger than 20% of homes nearby

Year built1955
OlderTypical 1957Newer

Newer than 49% of homes nearby

How 21 Warren Ave ranks against every home in each area.
MeasureThis homeRockland 02370Plymouth County
Estimated valuepricier than$446,17016% of homes14% of homes
Price per ft²pricier than$39069% of homes52% of homes
Living areabigger than1,144 ft²19% of homes19% of homes
Lot sizebigger than0.22 ac20% of homes24% of homes
Year builtnewer than195549% of homes34% of homes

About 21 Warren Ave

How much is 21 Warren Ave, Rockland, MA worth?

The TopHap Estimate for 21 Warren Ave, Rockland, MA is $446,170 as of Jul 14, 2026. The likely range is $419,400 to $472,940. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Warren Ave, Rockland, MA last sell?

21 Warren Ave, Rockland, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Warren Ave, Rockland, MA?

21 Warren Ave, Rockland, MA has 3 bedrooms, 1 bathrooms, 1,144 square feet of living space and a 0.22-acre lot.

When was 21 Warren Ave, Rockland, MA built?

21 Warren Ave, Rockland, MA was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Warren Ave, Rockland, MA?

21 Warren Ave, Rockland, MA is assigned to Rockland High School (high), rated C-; John W. Rodgers Middle School (middle), rated C-; Phelps Elementary School (elementary), rated B. All sit in Rockland School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Warren Ave, Rockland, MA compare to other homes in Rockland 02370?

Among the 5,262 homes in Rockland 02370, it is worth more than 16% of them ($446,170 against a typical $530,462), its price per square foot is higher than 69% of them ($390 against a typical $351), it is bigger than 19% of them (1,144 ft² against a typical 1,574 ft²), its lot is bigger than 20% of them (0.22 ac against a typical 0.35 ac) and it is newer than 49% of them (1955 against a typical 1957). Measured against all of Plymouth County, it is worth more than 14% 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 21 Warren Ave, Rockland, MA?

The 2025 property tax bill for 21 Warren Ave, Rockland, MA was $5,722. The county assessed it at $418,600.

Closest homes

More homes in Rockland 02370

Assigned schools

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