Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$469,020$377 / 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 96How 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
Last sold for $220,000 on Oct 1, 2001

821 RIVER ST

HYDE PARK, MA 02136
3
Beds
1
Baths
1,243 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$469K
$451K low$487K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$220,000 · Oct 1, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,647 (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.$401,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$161,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$240,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$572,850

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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.12
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(8)

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.

E
James J Chittick Elementary SchoolC-
Elementary · Grades PK–5 · 0.3 mi
H
New Mission High SchoolB+
High · Grades 9–12 · 0.6 mi
M
Mildred Avenue K-8 SchoolD+
Middle · Grades KG–8 · 1.2 mi

District: Boston School District

Neighborhood · ZIP 02136These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.33,309
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,523 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,239
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,435
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.58%

Owner Tools

Do you own this home?
Claim this home

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

821 River 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.

  • Worth less than 91% of homes in Hyde Park 02136
  • Costs less per square foot than 89% of homes in Suffolk County
  • Smaller than 75% of homes in Hyde Park 02136
  • Has a bigger lot than 78% of homes in Suffolk County
  • Newer than 66% of homes in Suffolk County

What homes are worth in Hyde Park 02136

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

This home
$290K$1.1M

This home is worth more than 9% of homes in Hyde Park 02136.

How it measures up in Hyde Park 02136

The dot is this home. The mark in the middle is the typical home in Hyde Park 02136.

Estimated value$469,020
CheaperTypical $628,230Pricier

Pricier than 9% of homes nearby

Price per ft²$377
CheaperTypical $447Pricier

Pricier than 21% of homes nearby

Living area1,243 ft²
SmallerTypical 1,597 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.12 ac
SmallerTypical 0.13 acBigger

Bigger than 44% of homes nearby

Year built1942
OlderTypical 1946Newer

Newer than 48% of homes nearby

How 821 River St ranks against every home in each area.
MeasureThis homeHyde Park 02136Suffolk County
Estimated valuepricier than$469,0209% of homes13% of homes
Price per ft²pricier than$37721% of homes11% of homes
Living areabigger than1,243 ft²25% of homes41% of homes
Lot sizebigger than0.12 ac44% of homes78% of homes
Year builtnewer than194248% of homes66% of homes

About 821 River St

How much is 821 River St, Hyde Park, MA worth?

The TopHap Estimate for 821 River St, Hyde Park, MA is $469,020 as of Jul 14, 2026. The likely range is $450,900 to $487,140. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 River St, Hyde Park, MA last sell?

821 River St, Hyde Park, MA last sold on Oct 1, 2001 for $220,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 821 River St, Hyde Park, MA?

821 River St, Hyde Park, MA has 3 bedrooms, 1 bathrooms, 1,243 square feet of living space and a 0.12-acre lot.

When was 821 River St, Hyde Park, MA built?

821 River St, Hyde Park, MA was built in 1942, making it 84 years old. It is a cape cod home. The building has 1 story.

What schools serve 821 River St, Hyde Park, MA?

821 River St, Hyde Park, MA is assigned to James J Chittick Elementary School (elementary), rated C-; New Mission High School (high), rated B+; Mildred Avenue K-8 School (middle), rated D+. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 River St, Hyde Park, MA compare to other homes in Hyde Park 02136?

Among the 7,699 homes in Hyde Park 02136, it is worth more than 9% of them ($469,020 against a typical $628,230), its price per square foot is higher than 21% of them ($377 against a typical $447), it is bigger than 25% of them (1,243 ft² against a typical 1,597 ft²), its lot is bigger than 44% of them (0.12 ac against a typical 0.13 ac) and it is newer than 48% of them (1942 against a typical 1946). Measured against all of Suffolk County, it is worth more than 13% 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 821 River St, Hyde Park, MA?

The 2025 property tax bill for 821 River St, Hyde Park, MA was $4,647. The county assessed it at $401,300.

More homes on River St

Closest homes

More homes in Hyde Park 02136

Assigned schools

Explore the area

See this home in context

Open 821 River 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