CondominiumResidential
10 THACHER ST
BOSTON, MA 02113
650 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 19005 floors79 units505–912 ft²
$38M
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.
$469K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$751
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-40.9%vs the Boston ZIP median sale $/ft² ($1270)
Sales Performance
—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
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.
1 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.
Studio1 bd4+ bd
Studio
4 units$581K · $732/ft²
1 bed
74 units$466K · $751/ft²
6 bed
1 unit$520K · $747/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 · 738 ft²
7 units$542K · $734/ft²
1 bd · 1 ba · 584 ft²
5 units$462K · $790/ft²
1 bd · 1 ba · 601 ft²
5 units$472K · $785/ft²
1 bd · 1 ba · 602 ft²
5 units$453K · $753/ft²
1 bd · 1 ba · 610 ft²
5 units$458K · $751/ft²
1 bd · 1 ba · 650 ft²
5 units$488K · $750/ft²
1 bd · 1 ba · 655 ft²
5 units$489K · $746/ft²
1 bd · 1 ba · 505 ft²
4 units$421K · $834/ft²
1 bd · 1 ba · 582 ft²
4 units$460K · $791/ft²
1 bd · 1 ba · 587 ft²
4 units$463K · $788/ft²
1 bd · 1 ba · 597 ft²
4 units$469K · $785/ft²
1 bd · 1 ba · 612 ft²
4 units$460K · $751/ft²
1 bd · 1 ba · 613 ft²
4 units$460K · $751/ft²
1 bd · 1 ba · 634 ft²
4 units$474K · $748/ft²
One-off layouts
14 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.
$421K–$421K
4 units
$453K–$474K
46 units
$486K–$489K
12 units
$517K–$521K
3 units
$530K–$543K
9 units
$568K–$568K
1 unit
$594K–$594K
1 unit
$613K–$637K
3 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.
Floor 1
$750/ft²13 units · +0%
Floor 2
$766/ft²15 units · +2%
Floor 3
$768/ft²14 units · +2%
Floor 4
$766/ft²15 units · +2%
Floor 5
$768/ft²14 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 ·05
$834/ft²4 units · +11%
Line ·10
$790/ft²5 units · +5%
Line ·03
$785/ft²5 units · +4%
Line ·07
$783/ft²5 units · +4%
Line ·04
$781/ft²5 units · +4%
Line ·06
$776/ft²5 units · +3%
Line ·02
$753/ft²5 units · +0%
Line ·16
$752/ft²5 units · +0%
Line ·01
$751/ft²5 units · +0%
Line ·11
$751/ft²5 units · +0%
Line ·12
$750/ft²5 units · +0%
Line ·15
$746/ft²5 units · -1%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.0%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.99%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.126.8 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.100%
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.715%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$0
Median tax billThe middle annual property tax bill among the building's units.$2,282
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,850 (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.$159,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$159,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$690,650
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.44
50
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
84
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.28 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.Condominium
CountySUFFOLK
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.1995
Lot (acres)The size of the land the home sits on, from county records.0.01
HeatingThe type of heating system in the home.Hot Water
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.
EH
Eliot K-8 SchoolA-
Elementary · Grades PK–8 · 0.2 mi
Charlestown High SchoolD+
High · Grades 9–12 · 1.1 mi
District: Boston School District
Neighborhood · ZIP 02113These 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.139
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.50%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.6,619
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.67,574 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,491
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$127,316
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.
10 Thacher St
1 ba · 650 ft²
10 Thacher St
1 ba · 690 ft²
10 Thacher St # 3
1 ba · 890 ft²
10 Thacher St # 4
6 bd · 2 ba · 697 ft²
10 Thacher St # 11
1 ba · 783 ft²
10 Thacher St # 12
1 ba · 706 ft²
10 Thacher St # 14
1 bd · 1 ba · 854 ft²
10 Thacher St # 15
1 bd · 1 ba · 615 ft²
10 Thacher St # 16
1 bd · 1 ba · 734 ft²
10 Thacher St # 101
1 bd · 1 ba · 646 ft²
10 Thacher St # 102
1 bd · 1 ba · 602 ft²
10 Thacher St # 103
1 bd · 1 ba · 601 ft²
10 Thacher St # 104
1 bd · 1 ba · 611 ft²
10 Thacher St # 106
1 bd · 1 ba · 716 ft²
10 Thacher St # 107
1 bd · 1 ba · 688 ft²
10 Thacher St # 109
1 bd · 1 ba · 912 ft²
10 Thacher St # 110
1 bd · 1 ba · 584 ft²
10 Thacher St # 111
1 bd · 1 ba · 610 ft²
10 Thacher St # 112
1 bd · 1 ba · 650 ft²
10 Thacher St # 114
1 bd · 1 ba · 738 ft²
10 Thacher St # 115
1 bd · 1 ba · 655 ft²
10 Thacher St # 116
1 bd · 1 ba · 647 ft²
10 Thacher St # 201
1 bd · 1 ba · 612 ft²
10 Thacher St # 202
1 bd · 1 ba · 602 ft²
10 Thacher St # 203
1 bd · 1 ba · 601 ft²
10 Thacher St # 204
1 bd · 1 ba · 587 ft²
10 Thacher St # 205
1 bd · 1 ba · 505 ft²
10 Thacher St # 206
1 bd · 1 ba · 597 ft²
10 Thacher St # 207
1 bd · 1 ba · 582 ft²
10 Thacher St # 208
1 bd · 1 ba · 738 ft²
10 Thacher St # 209
1 bd · 1 ba · 634 ft²
10 Thacher St # 210
1 bd · 1 ba · 584 ft²
10 Thacher St # 211
1 bd · 1 ba · 610 ft²
10 Thacher St # 212
1 bd · 1 ba · 650 ft²
10 Thacher St # 214
1 bd · 1 ba · 738 ft²
10 Thacher St # 215
1 bd · 1 ba · 655 ft²
10 Thacher St # 216
1 bd · 1 ba · 613 ft²
10 Thacher St # 301
1 bd · 1 ba · 612 ft²
10 Thacher St # 302
1 bd · 1 ba · 602 ft²
10 Thacher St # 303
1 bd · 1 ba · 601 ft²
10 Thacher St # 304
1 bd · 1 ba · 587 ft²
10 Thacher St # 305
1 bd · 1 ba · 505 ft²
10 Thacher St # 306
1 bd · 1 ba · 597 ft²
10 Thacher St # 307
1 bd · 1 ba · 582 ft²
10 Thacher St # 309
1 bd · 1 ba · 634 ft²
10 Thacher St # 310
1 bd · 1 ba · 584 ft²
10 Thacher St # 311
1 bd · 1 ba · 610 ft²
10 Thacher St # 312
1 bd · 1 ba · 650 ft²
10 Thacher St # 314
1 bd · 1 ba · 738 ft²
10 Thacher St # 315
1 bd · 1 ba · 655 ft²
10 Thacher St # 316
1 bd · 1 ba · 613 ft²
10 Thacher St # 401
1 bd · 1 ba · 612 ft²
10 Thacher St # 402
1 bd · 1 ba · 602 ft²
10 Thacher St # 403
1 bd · 1 ba · 601 ft²
10 Thacher St # 404
1 bd · 1 ba · 587 ft²
10 Thacher St # 405
1 bd · 1 ba · 505 ft²
10 Thacher St # 406
1 bd · 1 ba · 597 ft²
10 Thacher St # 407
1 bd · 1 ba · 582 ft²
10 Thacher St # 408
1 bd · 1 ba · 738 ft²
10 Thacher St # 409
1 bd · 1 ba · 634 ft²
10 Thacher St # 410
1 bd · 1 ba · 584 ft²
10 Thacher St # 411
1 bd · 1 ba · 610 ft²
10 Thacher St # 412
1 bd · 1 ba · 650 ft²
10 Thacher St # 414
1 bd · 1 ba · 738 ft²
10 Thacher St # 415
1 bd · 1 ba · 655 ft²
10 Thacher St # 416
1 bd · 1 ba · 613 ft²
10 Thacher St # 501
1 bd · 1 ba · 612 ft²
10 Thacher St # 502
1 bd · 1 ba · 602 ft²
10 Thacher St # 503
1 bd · 1 ba · 601 ft²
10 Thacher St # 504
1 bd · 1 ba · 587 ft²
10 Thacher St # 505
1 bd · 1 ba · 505 ft²
10 Thacher St # 506
1 bd · 1 ba · 597 ft²
10 Thacher St # 507
1 bd · 1 ba · 582 ft²
10 Thacher St # 509
1 bd · 1 ba · 634 ft²
10 Thacher St # 510
1 bd · 1 ba · 584 ft²
10 Thacher St # 511
1 bd · 1 ba · 610 ft²
10 Thacher St # 512
1 bd · 1 ba · 650 ft²
10 Thacher St # 514
1 bd · 1 ba · 738 ft²
10 Thacher St # 515
1 bd · 1 ba · 655 ft²
10 Thacher St # 516
1 bd · 1 ba · 613 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 10 Thacher St
How many units are in 10 Thacher St, Boston, MA?
10 Thacher St, Boston, MA has 79 residential units across 5 floors, built in 1900, according to county assessor records.
What is a unit at 10 Thacher St, Boston, MA worth?
The median TopHap Estimate across the 79 units at 10 Thacher St, Boston, MA is $468,652. That works out to $751 per square foot. Units run from 505 to 912 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 10 Thacher St, Boston, MA expensive for Boston?
Units at 10 Thacher St, Boston, MA carry a median of $751 per square foot, 41% below the Boston median of $1270 per square foot.
How often do units sell at 10 Thacher St, Boston, MA?
0 units at 10 Thacher St, Boston, MA sold in the last 12 months, out of 1 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.
What floor plans does 10 Thacher St, Boston, MA have?
The most common plan at 10 Thacher St, Boston, MA is a 1-bedroom of 738 square feet, repeated 7 times, with a median estimate of $541,722. TopHap identifies 14 recurring plans in the building.
More homes on Thacher St
- 11 1/2 Thacher St # 2$696K2 bd · 1 ba · 801 ft² · Sold $700K · Nov 2025
- 10 Thacher St # 1$594K1 ba · 690 ft² · Sold $613K · Apr 2025
- 20 Thacher St # 3$599K2 bd · 1 ba · 655 ft² · Sold $620K · Feb 2025
- 20 Thacher St # 2$618K2 bd · 1 ba · 655 ft² · Sold $640K · Feb 2025
- 15 Thacher St # 2$716K3 bd · 1 ba · 880 ft² · Sold $680K · Jan 2024
- 15 Thacher St # 4$805K3 bd · 1 ba · 880 ft² · Sold $763K · Nov 2023
- 11 1/2 Thacher St # 4$755K2 bd · 1 ba · 810 ft² · Sold $655K · Apr 2022
- 11 1/2 Thacher St # 6$785K2 bd · 1 ba · 810 ft² · Sold $623K · Mar 2017
- 11 1/2 Thacher St # 8$907K2 bd · 1 ba · 829 ft² · Sold $650K · May 2016
- 20 Thacher St # 4$846K2 bd · 1 ba · 655 ft² · Sold $449K · Jan 2014
- 20 Thacher St # 1$594K2 bd · 1 ba · 615 ft² · Sold $426K · Jun 2013
- 11 1/2 Thacher St # 3$499K1 bd · 1 ba · 461 ft² · Sold $335K · May 2013
Closest homes
- 10 Thacher St$453K0 ft · 1 bd · 1 ba · 602 ft² · Sold Jan 1900
- 10 Thacher St$487K0 ft · 1 bd · 1 ba · 647 ft² · Sold Jan 1900
- 10 Thacher St$488K0 ft · 1 bd · 1 ba · 650 ft² · Sold Jan 1900
- 10 Thacher St$462K0 ft · 1 bd · 1 ba · 584 ft² · Sold Jan 1900
- 10 Thacher St$489K0 ft · 1 bd · 1 ba · 655 ft² · Sold Jan 1900
- 10 Thacher St$474K0 ft · 1 bd · 1 ba · 634 ft² · Sold Jan 1900
- 10 Thacher St$458K0 ft · 1 bd · 1 ba · 610 ft² · Sold Jan 1900
- 10 Thacher St$474K0 ft · 1 bd · 1 ba · 634 ft² · Sold Jan 1900
More homes in Boston 02113
- 21 N Bennet St$1.4M2 bd · 2 ba · 1,118 ft² · Sold $1.4M · Sep 2026
- 26 Stillman St$1.2M2 bd · 1.5 ba · 1,336 ft² · Sold $1.2M · Sep 2026
- 8 Wiget St$675K1 bd · 2 ba · 1,222 ft² · Sold $675K · Sep 2026
- 9 Stillman St4,316 ft² · Sold $2M · Aug 2026
- 21 N Bennet St$1.6M2 bd · 2 ba · 1,234 ft² · Sold $1.6M · Aug 2026
- 11 Wiget St$1.2M2 bd · 2 ba · 1,099 ft² · Sold $1.2M · Aug 2026
- 38 Sheafe St2,448 ft² · Sold $2M · Aug 2026
- 44 Prince St1 bd · 1 ba · 680 ft² · Sold $925K · Jul 2026
- 6 Baldwin Pl2,400 ft² · Sold $2.3M · Jul 2026
- 23 Fleet St$567K1 bd · 1 ba · 493 ft² · Sold $570K · Jul 2026
- 115 Salem St$604K2 bd · 1 ba · 543 ft² · Sold $557K · Jul 2026
- 57 Charter St$382K1 bd · 1 ba · 278 ft² · Sold $345K · Jul 2026
Assigned schools
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