Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$416,868$496 / 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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $92,000 on Oct 9, 2009

23 ADDISON ST

CHELSEA, MA 02150
3
Beds
1
Baths
840 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.
1,379 ft²
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
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

$417K
$346K low$488K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$92,000 · Oct 9, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,729 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$324,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$141,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$183,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$318,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$378,290

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.52 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.71%
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.Conventional
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.03
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Clark Avenue SchoolD
Middle · Grades 5–8 · 0.1 mi
H
Chelsea High SchoolD-
High · Grades 9–12 · 0.4 mi
E
William a Berkowitz Elementary SchoolB
Elementary · Grades 1–4 · 0.7 mi

District: Chelsea School District

Neighborhood · ZIP 02150These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.40,106
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.16,087 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,192
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,537
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

23 Addison 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 Suffolk County
  • Costs more per square foot than 79% of homes in Chelsea 02150
  • Smaller than 87% of homes in Chelsea 02150
  • Has a smaller lot than 94% of homes in Chelsea 02150
  • Older than 93% of homes in Chelsea 02150

What homes are worth in Chelsea 02150

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

This home
$277K$832K

This home is worth more than 29% of homes in Chelsea 02150.

How it measures up in Chelsea 02150

The dot is this home. The mark in the middle is the typical home in Chelsea 02150.

Estimated value$416,868
CheaperTypical $489,185Pricier

Pricier than 29% of homes nearby

Price per ft²$496
CheaperTypical $436Pricier

Pricier than 79% of homes nearby

Living area840 ft²
SmallerTypical 1,745 ft²Bigger

Bigger than 13% of homes nearby

Lot size1,379 ft²
SmallerTypical 3,703 ft²Bigger

Bigger than 6% of homes nearby

Year built1890
OlderTypical 1920Newer

Newer than 7% of homes nearby

How 23 Addison St ranks against every home in each area.
MeasureThis homeChelsea 02150Suffolk County
Estimated valuepricier than$416,86829% of homes9% of homes
Price per ft²pricier than$49679% of homes31% of homes
Living areabigger than840 ft²13% of homes19% of homes
Lot sizebigger than1,379 ft²6% of homes36% of homes
Year builtnewer than18907% of homes13% of homes

About 23 Addison St

How much is 23 Addison St, Chelsea, MA worth?

The TopHap Estimate for 23 Addison St, Chelsea, MA is $416,868 as of Sep 24, 2026. The likely range is $345,949 to $487,787. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Addison St, Chelsea, MA last sell?

23 Addison St, Chelsea, MA last sold on Oct 9, 2009 for $92,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 23 Addison St, Chelsea, MA?

23 Addison St, Chelsea, MA has 3 bedrooms, 1 bathrooms, 840 square feet of living space and a 0.03-acre lot.

When was 23 Addison St, Chelsea, MA built?

23 Addison St, Chelsea, MA was built in 1890, making it 136 years old. It is a conventional home. The building has 2 stories.

What schools serve 23 Addison St, Chelsea, MA?

23 Addison St, Chelsea, MA is assigned to Clark Avenue School (middle), rated D; Chelsea High School (high), rated D-; William a Berkowitz Elementary School (elementary), rated B. All sit in Chelsea School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Addison St, Chelsea, MA compare to other homes in Chelsea 02150?

Among the 5,340 homes in Chelsea 02150, it is worth more than 29% of them ($416,868 against a typical $489,185), its price per square foot is higher than 79% of them ($496 against a typical $436), it is bigger than 13% of them (840 ft² against a typical 1,745 ft²), its lot is bigger than 6% of them (1,379 ft² against a typical 3,703 ft²) and it is newer than 7% of them (1890 against a typical 1920). Measured against all of Suffolk County, it is worth more than 9% 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 23 Addison St, Chelsea, MA?

The 2026 property tax bill for 23 Addison St, Chelsea, MA was $3,729. The county assessed it at $324,800.

More homes on Addison St

Closest homes

More homes in Chelsea 02150

Assigned schools

Explore the area

See this home in context

Open 23 Addison 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