CondominiumResidential
12 Franklin St
CHARLESTOWN, MA 02129
794 ft²
Lot SizeThe size of the land the home sits on, from county records.
1995
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 19953 units794–904 ft²
$2.5M
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.
$819K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$934
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
+13.8%vs the Charlestown ZIP median sale $/ft² ($821)
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.
2 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.
1 bed
1 unit$817K · $1029/ft²
2 bed
2 units$828K · $920/ft²
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.
$817K–$817K
1 unit
$819K–$819K
1 unit
$836K–$836K
1 unit
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.100%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.0%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.6.2 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.0%
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.74%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$814,947
Median tax billThe middle annual property tax bill among the building's units.$8,356
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.
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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.27%
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.2019
Lot (acres)The size of the land the home sits on, from county records.0.02
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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.
ME
Clarence R. Edwards Middle School
Middle · Grades 6–8 · 0.0 mi
Horace Mann School For The Deaf
Elementary · Grades PK–12 · 0.0 mi
District: Boston School District
Neighborhood · ZIP 02129These 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.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.18,397
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,594 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$152,177
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,903
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.
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 12 Franklin St
How many units are in 12 Franklin St, Charlestown, MA?
12 Franklin St, Charlestown, MA has 3 residential units across built in 1995, according to county assessor records.
What is a unit at 12 Franklin St, Charlestown, MA worth?
The median TopHap Estimate across the 3 units at 12 Franklin St, Charlestown, MA is $819,369. That works out to $934 per square foot. Units run from 794 to 904 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 12 Franklin St, Charlestown, MA expensive for Charlestown?
Units at 12 Franklin St, Charlestown, MA carry a median of $934 per square foot, 14% above the Charlestown median of $821 per square foot.
How often do units sell at 12 Franklin St, Charlestown, MA?
0 units at 12 Franklin St, Charlestown, MA sold in the last 12 months, out of 2 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.
More homes on Franklin St
- 2 Franklin St # 1$1.6M3 bd · 2.5 ba · 1,517 ft² · Sold $1.6M · Apr 2025
- 59 Franklin St$1.5M3 bd · 4 ba · 2,027 ft² · Sold $1.4M · Aug 2024
- 59 Franklin St # 2$921K2 bd · 2 ba · 961 ft² · Sold $895K · Jul 2023
- 2 Franklin St # 3$1.4M3 bd · 2.5 ba · 1,684 ft² · Sold $1.2M · Jun 2023
- 11 Franklin St4 bd · 3 ba · 2,456 ft² · Sold $1.3M · Aug 2022
- 59 Franklin St # 1$928K2 bd · 2 ba · 973 ft² · Sold $850K · Feb 2022
- 12 Franklin St # 2$836K2 bd · 1 ba · 895 ft² · Sold $705K · Aug 2020
- 59 Franklin St # 3$883K2 bd · 2 ba · 935 ft² · Sold $780K · Mar 2020
- 68 Franklin St # 2$1.7M3 bd · 3.5 ba · 2,053 ft² · Sold $1.2M · Jan 2020
- 68 Franklin St # 1$2.2M4 bd · 4.5 ba · 2,463 ft² · Sold $1.3M · Nov 2019
- 59 Franklin St # 5a$1.8M3 bd · 3.5 ba · 1,948 ft² · Sold $1.1M · Jun 2018
- 14 Franklin St # 4$882K2 bd · 1 ba · 921 ft² · Sold $605K · Dec 2016
Closest homes
- 14 Franklin St$894K0 ft · 2 bd · 1 ba · 921 ft² · Sold $420K · Feb 2010
- 12 Franklin St Apt 2$836K0 ft · 2 bd · 1 ba · 895 ft² · Sold $705K · Aug 2020
- 12 Franklin St Apt 3$819K0 ft · 2 bd · 1 ba · 904 ft² · Sold $415K · Apr 2010
- 14 Franklin St$882K0 ft · 2 bd · 1 ba · 921 ft² · Sold $605K · Dec 2016
- 18 Franklin St$1.5M48 ft · 4 bd · 2.5 ba · 1,584 ft² · Sold Jan 1900
- 19 Walker St62 ft · 4 bd · 2 ba · 2,224 ft² · Sold $1.2M · Jul 2022
- 15 Walker St$1.6M54 ft · 4 bd · 2.5 ba · 1,464 ft² · Sold $1.5M · May 2025
- 17 Walker St$1.8M59 ft · 3 bd · 2.5 ba · 1,464 ft² · Sold $1.7M · Jun 2024
More homes in Charlestown 02129
- 11 Lawnwood Pl$2.5M4 bd · 4.5 ba · 2,180 ft² · Sold $2.3M · Sep 2026
- 30 Tremont St5 bd · 3 ba · 2,981 ft² · Sold $1.8M · Sep 2026
- 20 Lawrence St$810K2 bd · 2 ba · 1,155 ft² · Sold $810K · Sep 2026
- 16 Trenton St$699K2 bd · 1 ba · 703 ft² · Sold $690K · Sep 2026
- 106 13th St$569K1 bd · 1 ba · 733 ft² · Sold $569K · Sep 2026
- 377 Bunker Hill St$608K1 bd · 1 ba · 717 ft² · Sold $589K · Sep 2026
- 30 Monument Sq$825K1 bd · 1 ba · 885 ft² · Sold $825K · Sep 2026
- 21 Tremont St$635K1 bd · 1 ba · 681 ft² · Sold $575K · Sep 2026
- 92 Green St$550K1 bd · 1 ba · 702 ft² · Sold $550K · Sep 2026
- 30 Sackville St$855K2 bd · 2 ba · 937 ft² · Sold $855K · Sep 2026
- 27 Parker St$780K2 bd · 1.5 ba · 1,029 ft² · Sold $780K · Sep 2026
- 21 Prospect St$1M3 bd · 2 ba · 905 ft² · Sold $1M · Sep 2026
Assigned schools
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