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CondominiumResidential
$238,500$217 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 23, 2026
Last sold for $300,000 on Jan 8, 2021

66 WILLIAM ST

ROCKLAND, MA 02370
2
Beds
1.5
Baths
1,097 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$239K
$217K low$260K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Jan 8, 2021
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.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
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.113%
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.$270,000
ROCKLAND TRUST CO · P · recorded Jan 8, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,727 (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.$345,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$345,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,675

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
51
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
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.1984
Lot (acres)The size of the land the home sits on, from county records.0.20
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

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
John W. Rodgers Middle SchoolC-
Middle · Grades 5–8 · 0.4 mi
H
Rockland High SchoolC-
High · Grades 9–12 · 0.5 mi
E
Phelps Elementary SchoolB
Elementary · Grades 1–4 · 0.5 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

66 William St 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.

  • Among the least valuable homes in Plymouth County
  • Among the lowest price per square foot in Rockland 02370
  • Smaller than 83% of homes in Plymouth County
  • Has a smaller lot than 86% of homes in Rockland 02370
  • Older than 88% 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
$234K$859K

This home is worth more than 2% 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$238,500
CheaperTypical $529,872Pricier

Pricier than 2% of homes nearby

Price per ft²$217
CheaperTypical $351Pricier

Cheaper than almost all homes nearby

Living area1,097 ft²
SmallerTypical 1,580 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.2 ac
SmallerTypical 0.35 acBigger

Bigger than 14% of homes nearby

Year built1910
OlderTypical 1957Newer

Newer than 21% of homes nearby

How 66 William St ranks against every home in each area.
MeasureThis homeRockland 02370Plymouth County
Estimated valuepricier than$238,5002% of homesalmost no homes
Price per ft²pricier than$217almost no homes2% of homes
Living areabigger than1,097 ft²18% of homes17% of homes
Lot sizebigger than0.2 ac14% of homes22% of homes
Year builtnewer than191021% of homes12% of homes

About 66 William St

How much is 66 William St, Rockland, MA worth?

The TopHap Estimate for 66 William St, Rockland, MA is $238,500 as of Jun 23, 2026. The likely range is $217,035 to $259,965. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 66 William St, Rockland, MA last sell?

66 William St, Rockland, MA last sold on Jan 8, 2021 for $300,000, according to the county's recorded deed.

How big is 66 William St, Rockland, MA?

66 William St, Rockland, MA has 2 bedrooms, 1.5 bathrooms, 1,097 square feet of living space and a 0.20-acre lot.

When was 66 William St, Rockland, MA built?

66 William St, Rockland, MA was built in 1910, making it 116 years old. It is a condo/apartment home.

What schools serve 66 William St, Rockland, MA?

66 William St, Rockland, MA is assigned to John W. Rodgers Middle School (middle), rated C-; Rockland High School (high), 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 66 William St, Rockland, MA compare to other homes in Rockland 02370?

Among the 5,262 homes in Rockland 02370, it is worth more than 2% of them ($238,500 against a typical $529,872), its price per square foot is higher than almost none of them ($217 against a typical $351), it is bigger than 18% of them (1,097 ft² against a typical 1,580 ft²), its lot is bigger than 14% of them (0.2 ac against a typical 0.35 ac) and it is newer than 21% of them (1910 against a typical 1957). Measured against all of Plymouth County, it is worth more than almost no 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 66 William St, Rockland, MA?

The 2025 property tax bill for 66 William St, Rockland, MA was $4,727. The county assessed it at $345,800.

Closest homes

More homes in Rockland 02370

Assigned schools

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