CondominiumResidential
175 Cottage St
CHELSEA, MA 02150
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 20057 floors77 units771–1,675 ft²
$32M
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.
$420K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$391
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-11.3%vs the Chelsea ZIP median sale $/ft² ($441)
Sales Performance
$372K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-3.4%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
4
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
5.2%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+6.4%per yeartypical hold 6.8 yrsfrom 14 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20052009201220172019202120242026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20052009201220172019202120242026
57 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.
1 bd2 bd
1 bed
24 units$369K · $472/ft²
2 bed
53 units$436K · $372/ft²
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 ba · 1,166 ft²
22 units$437K · $375/ft²
1 bd · 1 ba · 786 ft²
12 units$369K · $469/ft²
1 bd · 1 ba · 771 ft²
6 units$372K · $482/ft²
1 bd · 1 ba · 784 ft²
6 units$369K · $470/ft²
2 bd · 2 ba · 1,073 ft²
6 units$432K · $402/ft²
2 bd · 2 ba · 1,162 ft²
6 units$427K · $367/ft²
2 bd · 2 ba · 1,173 ft²
6 units$445K · $380/ft²
2 bd · 2 ba · 1,185 ft²
6 units$424K · $358/ft²
2 bd · 2 ba · 1,288 ft²
6 units$452K · $351/ft²
One-off layouts
1 unit
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.
$329K–$338K
2 units
$359K–$378K
16 units
$384K–$405K
11 units
$407K–$432K
18 units
$434K–$456K
18 units
$459K–$477K
10 units
$500K–$500K
1 unit
$536K–$536K
1 unit
Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.
Floor 2
$401/ft²13 units · +3%
Floor 3
$396/ft²13 units · +1%
Floors 4–5
$399/ft²26 units · +2%
Floor 6
$412/ft²13 units · +5%
Floor 7
$416/ft²12 units · +6%
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·10
$481/ft²6 units · +23%
Line ·12
$478/ft²6 units · +22%
Line ·07
$475/ft²6 units · +21%
Line ·05
$467/ft²6 units · +19%
Line ·03
$401/ft²6 units · +2%
Line ·15
$383/ft²5 units · -2%
Line ·09
$375/ft²6 units · -4%
Line ·04
$372/ft²6 units · -5%
Line ·01
$369/ft²6 units · -6%
Line ·02
$368/ft²6 units · -6%
Line ·14
$368/ft²6 units · -6%
Line ·13
$358/ft²6 units · -8%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.66%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.17%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.10.2 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.12%
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.67%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$397,098
Median tax billThe middle annual property tax bill among the building's units.$4,788
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.1
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Unit 504Oct 1, 2026$385,000$331/ft²Unit 710Jun 2, 2026$369,000$479/ft²Unit 312Mar 31, 2026$375,000$478/ft²Unit 205Mar 20, 2026$360,000$458/ft²Unit 312Jun 5, 2025$370,500$473/ft²Unit 201May 15, 2025$400,000$343/ft²Unit 505May 9, 2025$367,500$468/ft²Unit 514Apr 14, 2025$430,000$369/ft²Unit 413Aug 27, 2024$420,000$354/ft²Unit 615May 15, 2024$445,000$382/ft²
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
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.56 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.80%
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.1 percent flood zone
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
CountySUFFOLK
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.
MEH
Clark Avenue SchoolF
Middle · Grades 5–8 · 0.6 mi
William a Berkowitz Elementary SchoolC+
Elementary · Grades 1–4 · 0.8 mi
Chelsea High SchoolD-
High · Grades 9–12 · 1.1 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%
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.
175 Cottage St # 201
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 202
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 203
2 bd · 2 ba · 1,073 ft²
175 Cottage St # 204
2 bd · 2 ba · 1,162 ft²
175 Cottage St # 205
1 bd · 1 ba · 786 ft²
175 Cottage St # 207
1 bd · 1 ba · 786 ft²
175 Cottage St # 209
2 bd · 2 ba · 1,173 ft²
175 Cottage St # 210
1 bd · 1 ba · 771 ft²
175 Cottage St # 211
2 bd · 2 ba · 1,288 ft²
175 Cottage St # 212
1 bd · 1 ba · 784 ft²
175 Cottage St # 213
2 bd · 2 ba · 1,185 ft²
175 Cottage St # 214
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 215
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 301
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 302
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 303
2 bd · 2 ba · 1,073 ft²
175 Cottage St # 304
2 bd · 2 ba · 1,162 ft²
175 Cottage St # 305
1 bd · 1 ba · 786 ft²
175 Cottage St # 307
1 bd · 1 ba · 786 ft²
175 Cottage St # 309
2 bd · 2 ba · 1,173 ft²
175 Cottage St # 310
1 bd · 1 ba · 771 ft²
175 Cottage St # 311
2 bd · 2 ba · 1,288 ft²
175 Cottage St # 312
1 bd · 1 ba · 784 ft²
175 Cottage St # 313
2 bd · 2 ba · 1,185 ft²
175 Cottage St # 314
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 315
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 401
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 402
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 403
2 bd · 2 ba · 1,073 ft²
175 Cottage St # 404
2 bd · 2 ba · 1,162 ft²
175 Cottage St # 405
1 bd · 1 ba · 786 ft²
175 Cottage St # 407
1 bd · 1 ba · 786 ft²
175 Cottage St # 409
2 bd · 2 ba · 1,173 ft²
175 Cottage St # 410
1 bd · 1 ba · 771 ft²
175 Cottage St # 411
2 bd · 2 ba · 1,288 ft²
175 Cottage St # 412
1 bd · 1 ba · 784 ft²
175 Cottage St # 413
2 bd · 2 ba · 1,185 ft²
175 Cottage St # 414
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 415
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 501
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 502
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 503
2 bd · 2 ba · 1,073 ft²
175 Cottage St # 504
2 bd · 2 ba · 1,162 ft²
175 Cottage St # 505
1 bd · 1 ba · 786 ft²
175 Cottage St # 507
1 bd · 1 ba · 786 ft²
175 Cottage St # 509
2 bd · 2 ba · 1,173 ft²
175 Cottage St # 510
1 bd · 1 ba · 771 ft²
175 Cottage St # 511
2 bd · 2 ba · 1,288 ft²
175 Cottage St # 512
1 bd · 1 ba · 784 ft²
175 Cottage St # 513
2 bd · 2 ba · 1,185 ft²
175 Cottage St # 514
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 515
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 601
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 602
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 603
2 bd · 2 ba · 1,073 ft²
175 Cottage St # 604
2 bd · 2 ba · 1,162 ft²
175 Cottage St # 605
1 bd · 1 ba · 786 ft²
175 Cottage St # 607
1 bd · 1 ba · 786 ft²
175 Cottage St # 609
2 bd · 2 ba · 1,173 ft²
175 Cottage St # 610
1 bd · 1 ba · 771 ft²
175 Cottage St # 611
2 bd · 2 ba · 1,288 ft²
175 Cottage St # 612
1 bd · 1 ba · 784 ft²
175 Cottage St # 613
2 bd · 2 ba · 1,185 ft²
175 Cottage St # 614
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 615
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 701
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 702
2 bd · 2 ba · 1,166 ft²
175 Cottage St # 703
2 bd · 2 ba · 1,073 ft²
175 Cottage St # 704
2 bd · 2 ba · 1,162 ft²
175 Cottage St # 705
1 bd · 1 ba · 786 ft²
175 Cottage St # 707
1 bd · 1 ba · 786 ft²
175 Cottage St # 709
2 bd · 2 ba · 1,173 ft²
175 Cottage St # 710
1 bd · 1 ba · 771 ft²
175 Cottage St # 711
2 bd · 2 ba · 1,288 ft²
175 Cottage St # 712
1 bd · 1 ba · 784 ft²
175 Cottage St # 713
2 bd · 2 ba · 1,185 ft²
175 Cottage St # 714
2 bd · 2 ba · 1,675 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 175 Cottage St
How many units are in 175 Cottage St, Chelsea, MA?
175 Cottage St, Chelsea, MA has 77 residential units across 7 floors, built in 2005, according to county assessor records.
What is a unit at 175 Cottage St, Chelsea, MA worth?
The median TopHap Estimate across the 77 units at 175 Cottage St, Chelsea, MA is $419,888. That works out to $391 per square foot. Units run from 771 to 1,675 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 175 Cottage St, Chelsea, MA expensive for Chelsea?
Units at 175 Cottage St, Chelsea, MA carry a median of $391 per square foot, 11% below the Chelsea median of $441 per square foot.
How often do units sell at 175 Cottage St, Chelsea, MA?
4 units at 175 Cottage St, Chelsea, MA sold in the last 12 months, out of 57 recorded arms-length sales all time. That is a turnover rate of 5.2% of the building per year. The median sale over that period was $372K.
Have units at 175 Cottage St, Chelsea, MA appreciated?
Across 14 repeat sales of the same unit, 175 Cottage St, Chelsea, MA returned a median 6.4% 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 6.8 years.
What floor plans does 175 Cottage St, Chelsea, MA have?
The most common plan at 175 Cottage St, Chelsea, MA is a 2-bedroom of 1,166 square feet, repeated 22 times, with a median estimate of $437,263. TopHap identifies 9 recurring plans in the building.
More homes on Cottage St
- 175 Cottage St # 504$395K2 bd · 2 ba · 1,162 ft² · Sold $385K · Oct 2026
- 75 Cottage St4 bd · 2 ba · 2,100 ft² · Sold $590K · Jun 2026
- 175 Cottage St # 710$370K1 bd · 1 ba · 771 ft² · Sold $369K · Jun 2026
- 165 Cottage St # 706$397K2 bd · 1.5 ba · 867 ft² · Sold $395K · Apr 2026
- 175 Cottage St # 312$378K1 bd · 1 ba · 784 ft² · Sold $375K · Mar 2026
- 165 Cottage St # 410$418K2 bd · 2 ba · 934 ft² · Sold $415K · Mar 2026
- 175 Cottage St # 205$362K1 bd · 1 ba · 786 ft² · Sold $360K · Mar 2026
- 165 Cottage St # 711$443K2 bd · 2 ba · 1,091 ft² · Sold $440K · Mar 2026
- 29 Cottage St7 bd · 2 ba · 2,718 ft² · Sold $830K · Dec 2025
- 79 Cottage St4 bd · 2 ba · 2,336 ft² · Sold $740K · Sep 2025
- 14 Cottage St # 3$551K3 bd · 2 ba · 1,226 ft² · Sold $545K · Aug 2025
- 165 Cottage St # 613$334K1 bd · 1 ba · 616 ft² · Sold $329K · Jul 2025
Closest homes
- 175 Cottage St$431K0 ft · 2 bd · 2 ba · 1,185 ft² · Sold $420K · Aug 2024
- 175 Cottage St$378K0 ft · 1 bd · 1 ba · 784 ft² · Sold $375K · Mar 2026
- 175 Cottage St$390K0 ft · 1 bd · 1 ba · 771 ft² · Sold $190K · Aug 2016
- 175 Cottage St$420K0 ft · 2 bd · 2 ba · 1,073 ft² · Sold $282K · Sep 2005
- 175 Cottage St$329K0 ft · 1 bd · 1 ba · 786 ft² · Sold $115K · Jul 2011
- 175 Cottage St$398K0 ft · 2 bd · 2 ba · 1,166 ft² · Sold $135K · Jun 2011
- 175 Cottage St$370K0 ft · 1 bd · 1 ba · 784 ft² · Sold $208K · Aug 2005
- 175 Cottage St$448K0 ft · 2 bd · 2 ba · 1,288 ft² · Sold $303K · Aug 2005
More homes in Chelsea 02150
- 93 Parker St$620K3 bd · 1.5 ba · 1,024 ft² · Sold $630K · Oct 2026
- 200 Captains Row$500K2 bd · 2 ba · 1,090 ft² · Sold $480K · Oct 2026
- 80 Cook Ave$581K3 bd · 2.5 ba · 1,382 ft² · Sold $680K · Oct 2026
- 7 Carmel St6 bd · 3 ba · 3,276 ft² · Sold $995K · Oct 2026
- 16 Reynolds Ave$398K1 bd · 1 ba · 929 ft² · Sold $395K · Sep 2026
- 250 Congress Ave$474K2 bd · 1.5 ba · 1,078 ft² · Sold $475K · Sep 2026
- 241 Webster Ave$400K3 bd · 1 ba · 1,099 ft² · Sold $387K · Sep 2026
- 49 Breakwater Dr$697K3 bd · 2.5 ba · 1,504 ft² · Sold $747K · Sep 2026
- 92 Pearl St$367K1 bd · 1 ba · 670 ft² · Sold $395K · Sep 2026
- 151 Shawmut St7 bd · 2 ba · 2,915 ft² · Sold $768K · Sep 2026
- 60 Dudley St$487K1 bd · 1 ba · 1,015 ft² · Sold $435K · Sep 2026
- 75 Prescott Ave$465K2 bd · 2 ba · 1,036 ft² · Sold $392K · Sep 2026
Assigned schools
Explore the area
See this home in context
Open 175 Cottage 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