CondominiumResidential
170 Tremont St
BOSTON, MA 02111
1,169 ft²
Lot SizeThe size of the land the home sits on, from county records.
1989
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 198918 floors92 units507–1,534 ft²
$81M
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.
$778K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$1040
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-2.8%vs the Boston ZIP median sale $/ft² ($1070)
Sales Performance
$1.1M
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+63.6%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
5
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
5.4%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+5.0%per yeartypical hold 7.7 yrsfrom 191 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19891994199920042010201520212026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19891994199920042010201520212026
302 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 bd3 bd
1 bed
52 units$682K · $1023/ft²
2 bed
39 units$1.2M · $1046/ft²
3 bed
1 unit$1.6M · $1108/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.
1 bd · 1 ba · 507 ft²
6 units$523K · $1031/ft²
1 bd · 1 ba · 532 ft²
6 units$554K · $1042/ft²
1 bd · 1 ba · 616 ft²
6 units$628K · $1020/ft²
1 bd · 1 ba · 780 ft²
6 units$779K · $999/ft²
2 bd · 2 ba · 1,013 ft²
6 units$1.1M · $1093/ft²
1 bd · 1 ba · 690 ft²
5 units$769K · $1115/ft²
1 bd · 1 ba · 694 ft²
5 units$756K · $1089/ft²
2 bd · 1.5 ba · 812 ft²
5 units$849K · $1046/ft²
2 bd · 2 ba · 967 ft²
5 units$1M · $1077/ft²
1 bd · 1 ba · 622 ft²
4 units$653K · $1050/ft²
1 bd · 1 ba · 779 ft²
4 units$752K · $965/ft²
2 bd · 2 ba · 1,192 ft²
4 units$1.3M · $1054/ft²
2 bd · 2 ba · 1,120 ft²
3 units$1.2M · $1084/ft²
2 bd · 2 ba · 1,169 ft²
3 units$1.1M · $913/ft²
One-off layouts
24 units
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.
$502K–$633K
18 units
$641K–$769K
26 units
$777K–$882K
13 units
$959K–$1M
5 units
$1M–$1.2M
10 units
$1.2M–$1.3M
13 units
$1.4M–$1.4M
2 units
$1.5M–$1.6M
4 units
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.
Floors 2–4
$1031/ft²18 units · -1%
Floors 5–8
$1041/ft²28 units · +0%
Floors 9–11
$1038/ft²18 units · +0%
Floors 12–15
$1029/ft²15 units · -1%
Floors 16–18
$1066/ft²12 units · +2%
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 ·03
$1101/ft²15 units · +6%
Line ·01
$1052/ft²16 units · +1%
Line ·02
$1045/ft²16 units · +0%
Line ·07
$1035/ft²6 units · -1%
Line ·06
$1025/ft²10 units · -1%
Line ·05
$1006/ft²12 units · -3%
Line ·04
$1002/ft²16 units · -4%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.25%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.29%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.12.6 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.67%
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.24%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$792,856
Median tax billThe middle annual property tax bill among the building's units.$8,606
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 1803Jul 28, 2026$1,425,000$1271/ft²Unit 905May 1, 2026$640,000$950/ft²Unit 1504Feb 19, 2026$1,100,000$941/ft²Unit 1102Nov 21, 2025$742,800$1070/ft²Unit 1103Oct 27, 2025$1,237,500$1280/ft²Unit 606Jun 2, 2025$627,500$1019/ft²Unit 1205May 8, 2025$695,000$1030/ft²Unit 702Jan 23, 2025$855,000$1053/ft²Unit 1406Nov 27, 2024$650,000$1048/ft²Unit 1601Nov 16, 2023$1,499,000$1048/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.
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.High Rise
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.03
HeatingThe type of heating system in the home.Heat Pump
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.
EHM
Josiah Quincy Elementary SchoolB
Elementary · Grades PK–5 · 0.4 mi
Boston Adult Technical Academy
High · Grades 9–12 · 0.4 mi
Quincy Upper SchoolD
Middle · Grades 6–12 · 0.4 mi
District: Boston School District
Neighborhood · ZIP 02111These 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.157
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78
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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.10,326
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.27,210 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,381
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,947
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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.
170 Tremont St # 201
1 bd · 1.5 ba · 852 ft²
170 Tremont St # 202
2 bd · 2 ba · 1,234 ft²
170 Tremont St # 203
1 bd · 1 ba · 754 ft²
170 Tremont St # 204
1 bd · 1 ba · 644 ft²
170 Tremont St # 205
1 bd · 1 ba · 537 ft²
170 Tremont St # 301
1 bd · 1 ba · 532 ft²
170 Tremont St Apt 302
2 bd · 3 ba · 1,534 ft²
170 Tremont St # 304
2 bd · 2 ba · 1,013 ft²
170 Tremont St # 305
1 bd · 1 ba · 780 ft²
170 Tremont St # 306
1 bd · 1 ba · 616 ft²
170 Tremont St # 307
1 bd · 1 ba · 507 ft²
170 Tremont St # 401
1 bd · 1 ba · 532 ft²
170 Tremont St # 402
2 bd · 1.5 ba · 812 ft²
170 Tremont St # 403
1 bd · 1 ba · 690 ft²
170 Tremont St # 404
2 bd · 2 ba · 1,013 ft²
170 Tremont St # 405
1 bd · 1 ba · 780 ft²
170 Tremont St # 406
1 bd · 1 ba · 616 ft²
170 Tremont St # 407
1 bd · 1 ba · 507 ft²
170 Tremont St # 501
1 bd · 1 ba · 532 ft²
170 Tremont St # 502
2 bd · 1.5 ba · 812 ft²
170 Tremont St # 503
1 bd · 1 ba · 690 ft²
170 Tremont St # 504
2 bd · 2 ba · 1,013 ft²
170 Tremont St # 505
1 bd · 1 ba · 780 ft²
170 Tremont St # 506
1 bd · 1 ba · 616 ft²
170 Tremont St # 507
1 bd · 1 ba · 507 ft²
170 Tremont St # 601
1 bd · 1 ba · 532 ft²
170 Tremont St # 602
2 bd · 1.5 ba · 812 ft²
170 Tremont St # 603
1 bd · 1 ba · 690 ft²
170 Tremont St # 604
2 bd · 2 ba · 1,013 ft²
170 Tremont St # 605
1 bd · 1 ba · 780 ft²
170 Tremont St # 606
1 bd · 1 ba · 616 ft²
170 Tremont St # 607
1 bd · 1 ba · 507 ft²
170 Tremont St # 701
1 bd · 1 ba · 532 ft²
170 Tremont St # 702
2 bd · 1.5 ba · 812 ft²
170 Tremont St # 703
1 bd · 1 ba · 690 ft²
170 Tremont St # 704
2 bd · 2 ba · 1,013 ft²
170 Tremont St # 705
1 bd · 1 ba · 780 ft²
170 Tremont St # 706
1 bd · 1 ba · 616 ft²
170 Tremont St # 707
1 bd · 1 ba · 507 ft²
170 Tremont St # 801
1 bd · 1 ba · 532 ft²
170 Tremont St # 802
2 bd · 1.5 ba · 812 ft²
170 Tremont St # 803
1 bd · 1 ba · 690 ft²
170 Tremont St # 804
2 bd · 2 ba · 1,013 ft²
170 Tremont St # 805
1 bd · 1 ba · 780 ft²
170 Tremont St # 806
1 bd · 1 ba · 616 ft²
170 Tremont St # 807
1 bd · 1 ba · 507 ft²
170 Tremont St Apt 901
2 bd · 2 ba · 1,192 ft²
170 Tremont St # 902
1 bd · 1 ba · 694 ft²
170 Tremont St # 903
2 bd · 2 ba · 967 ft²
170 Tremont St # 904
1 bd · 1 ba · 779 ft²
170 Tremont St # 905
1 bd · 1 ba · 674 ft²
170 Tremont St # 906
1 bd · 1 ba · 622 ft²
170 Tremont St Apt 1001
2 bd · 2 ba · 1,192 ft²
170 Tremont St # 1002
1 bd · 1 ba · 694 ft²
170 Tremont St Apt 1003
2 bd · 2 ba · 967 ft²
170 Tremont St # 1004
1 bd · 1 ba · 779 ft²
170 Tremont St # 1005
1 bd · 1 ba · 675 ft²
170 Tremont St # 1006
1 bd · 1 ba · 622 ft²
170 Tremont St # 1101
2 bd · 2 ba · 1,192 ft²
170 Tremont St # 1102
1 bd · 1 ba · 694 ft²
170 Tremont St # 1103
2 bd · 2 ba · 967 ft²
170 Tremont St # 1104
1 bd · 1 ba · 779 ft²
170 Tremont St # 1105
1 bd · 1 ba · 676 ft²
170 Tremont St # 1106
1 bd · 1 ba · 622 ft²
170 Tremont St # 1201
2 bd · 2 ba · 1,192 ft²
170 Tremont St # 1202
1 bd · 1 ba · 694 ft²
170 Tremont St # 1203
2 bd · 2 ba · 967 ft²
170 Tremont St # 1204
2 bd · 2 ba · 779 ft²
170 Tremont St # 1205
1 bd · 1 ba · 675 ft²
170 Tremont St # 1206
1 bd · 1 ba · 622 ft²
170 Tremont St # 1401
2 bd · 2 ba · 1,193 ft²
170 Tremont St # 1402
1 bd · 1 ba · 694 ft²
170 Tremont St # 1403
2 bd · 2 ba · 967 ft²
170 Tremont St # 1404
1 bd · 1 ba · 779 ft²
170 Tremont St # 1405
1 bd · 1 ba · 677 ft²
170 Tremont St # 1406
1 bd · 1 ba · 620 ft²
170 Tremont St # 1501
2 bd · 2 ba · 1,430 ft²
170 Tremont St # 1502
2 bd · 2 ba · 1,228 ft²
170 Tremont St # 1503
2 bd · 2 ba · 1,120 ft²
170 Tremont St # 1504
2 bd · 2 ba · 1,169 ft²
170 Tremont St # 1601
2 bd · 2 ba · 1,430 ft²
170 Tremont St # 1602
2 bd · 2 ba · 1,228 ft²
170 Tremont St # 1603
2 bd · 2 ba · 1,120 ft²
170 Tremont St # 1604
2 bd · 2 ba · 1,169 ft²
170 Tremont St # 1701
2 bd · 2 ba · 1,430 ft²
170 Tremont St # 1702
2 bd · 2 ba · 1,228 ft²
170 Tremont St # 1703
2 bd · 2 ba · 1,120 ft²
170 Tremont St # 1704
2 bd · 2 ba · 1,169 ft²
170 Tremont St # 1801
3 bd · 2 ba · 1,431 ft²
170 Tremont St # 1802
2 bd · 2 ba · 1,135 ft²
170 Tremont St # 1803
2 bd · 2 ba · 1,121 ft²
170 Tremont St # 1804
2 bd · 2 ba · 1,171 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 170 Tremont St
How many units are in 170 Tremont St, Boston, MA?
170 Tremont St, Boston, MA has 92 residential units across 18 floors, built in 1989, according to county assessor records.
What is a unit at 170 Tremont St, Boston, MA worth?
The median TopHap Estimate across the 92 units at 170 Tremont St, Boston, MA is $778,197. That works out to $1040 per square foot. Units run from 507 to 1,534 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 170 Tremont St, Boston, MA expensive for Boston?
Units at 170 Tremont St, Boston, MA carry a median of $1040 per square foot, 3% below the Boston median of $1070 per square foot.
How often do units sell at 170 Tremont St, Boston, MA?
5 units at 170 Tremont St, Boston, MA sold in the last 12 months, out of 302 recorded arms-length sales all time. That is a turnover rate of 5.4% of the building per year. The median sale over that period was $1.1M.
Have units at 170 Tremont St, Boston, MA appreciated?
Across 191 repeat sales of the same unit, 170 Tremont St, Boston, MA returned a median 5.0% 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 7.7 years.
What floor plans does 170 Tremont St, Boston, MA have?
The most common plan at 170 Tremont St, Boston, MA is a 1-bedroom of 507 square feet, repeated 6 times, with a median estimate of $522,618. TopHap identifies 14 recurring plans in the building.
More homes on Tremont St
- 692 Tremont St # 6$930K2 bd · 1 ba · 870 ft² · Sold $930K · Aug 2026
- 170 Tremont St # 1803$1.4M2 bd · 2 ba · 1,121 ft² · Sold $1.4M · Jul 2026
- 769 Tremont St # 1$688K1 bd · 1 ba · 657 ft² · Sold $688K · Jul 2026
- 151 Tremont St # 24u$761K1 bd · 1 ba · 740 ft² · Sold $769K · Jun 2026
- 587 Tremont St # 3$916K1 bd · 1 ba · 500 ft² · Sold $640K · Jun 2026
- 806 Tremont St # 4$634K2 bd · 1 ba · 676 ft² · Sold $635K · Jun 2026
- 151 Tremont St # 10s$709K1 bd · 1 ba · 735 ft² · Sold $720K · May 2026
- 512 Tremont St # 43 bd · 2.5 ba · 2,506 ft² · Sold $4.9M · May 2026
- 505 Tremont St # 204$2.3M2 bd · 2.5 ba · 1,484 ft² · Sold $2.3M · May 2026
- 170 Tremont St # 905$633K1 bd · 1 ba · 674 ft² · Sold $640K · May 2026
- 170 Tremont St # 504$959K2 bd · 2 ba · 1,013 ft² · Sold $979K · Apr 2026
- 165 Tremont St # 1101$2.2M2 bd · 2.5 ba · 2,085 ft² · Sold $2.3M · Mar 2026
Closest homes
- 170 Tremont St$684K0 ft · 1 bd · 1 ba · 675 ft² · Sold $395K · Nov 2011
- 170 Tremont St$1.1M0 ft · 2 bd · 2 ba · 967 ft² · Sold $1.2M · Mar 2022
- 170 Tremont St$959K0 ft · 2 bd · 2 ba · 1,013 ft² · Sold $979K · Apr 2026
- 170 Tremont St$1.2M0 ft · 2 bd · 2 ba · 1,013 ft² · Sold $695K · Apr 2008
- 170 Tremont St$545K0 ft · 1 bd · 1 ba · 537 ft² · Sold $520K · Jul 2017
- 170 Tremont St$641K0 ft · 1 bd · 1 ba · 616 ft² · Sold $143K · Jan 1990
- 170 Tremont St$567K0 ft · 1 bd · 1 ba · 532 ft² · Sold Apr 2017
- 170 Tremont St$524K0 ft · 1 bd · 1 ba · 532 ft² · Sold $595K · May 2019
More homes in Boston 02111
- 2 Avery St$1.3M2 bd · 2 ba · 1,257 ft² · Sold $1.3M · Aug 2026
- 2 Avery St$4.6M3 bd · 4.5 ba · 3,246 ft² · Sold $1.1M · Aug 2026
- 2 Avery St$3.4M3 bd · 3.5 ba · 2,707 ft² · Sold $3.4M · Aug 2026
- 580 Washington St$1.2M2 bd · 2 ba · 1,162 ft² · Sold $1.2M · Aug 2026
- 2 Avery St$1.9M2 bd · 2.5 ba · 1,573 ft² · Sold $1.7M · Jul 2026
- 103 South St$1.3M1 bd · 2 ba · 2,169 ft² · Sold $1.3M · Jul 2026
- 2 Avery St$2.5M3 bd · 2 ba · 1,881 ft² · Sold $2.3M · Jul 2026
- 2 Avery St$2.1M2 bd · 2.5 ba · 1,574 ft² · Sold $2.2M · Jul 2026
- 580 Washington St$2.2M3 bd · 3 ba · 1,882 ft² · Sold $2.2M · Jul 2026
- 580 Washington St$820K1 bd · 1 ba · 799 ft² · Sold $820K · Jul 2026
- 580 Washington St$800K1 bd · 1 ba · 813 ft² · Sold $800K · Jul 2026
- 3 Avery St$567K1 bd · 1 ba · 801 ft² · Sold $570K · Jul 2026
Assigned schools
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