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Single Family ResidenceResidential
$808,112$501 / 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 94How 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 $526,000 on Aug 1, 2014

12 WILLIAM ST

BEDFORD, MA 01730
3
Beds
3 / 1
Baths
1,612 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.
0.77 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$808K
$756K low$860K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$526,000 · Aug 1, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,260 (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.$769,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$488,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$280,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$769,100

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.42 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyMiddlesex
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.1974
Lot (acres)The size of the land the home sits on, from county records.0.77
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement

Transaction History(2)

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

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

E
Lt Eleazer Davis
Elementary · Grades PK–2 · 0.7 mi
H
Bedford High SchoolA
High · Grades 9–12 · 1.2 mi
M
John Glenn Middle SchoolA+
Middle · Grades 6–8 · 1.2 mi

District: Bedford School District

Neighborhood · ZIP 01730These 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.16
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.14,673
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,067 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$146,231
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$202,073
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

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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

12 William 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 81% of homes in Bedford 01730
  • Smaller than 65% of homes in Bedford 01730
  • Has a bigger lot than 74% of homes in Middlesex County

What homes are worth in Bedford 01730

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

This home
$447K$2.3M

This home is worth more than 19% of homes in Bedford 01730.

How it measures up in Bedford 01730

The dot is this home. The mark in the middle is the typical home in Bedford 01730.

Estimated value$808,112
CheaperTypical $1,005,927Pricier

Pricier than 19% of homes nearby

Price per ft²$501
CheaperTypical $529Pricier

Pricier than 38% of homes nearby

Living area1,612 ft²
SmallerTypical 1,920 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.77 ac
SmallerTypical 0.69 acBigger

Bigger than 58% of homes nearby

Year built1964
OlderTypical 1965Newer

Newer than 48% of homes nearby

How 12 William St ranks against every home in each area.
MeasureThis homeBedford 01730Middlesex County
Estimated valuepricier than$808,11219% of homes53% of homes
Price per ft²pricier than$50138% of homes59% of homes
Living areabigger than1,612 ft²35% of homes40% of homes
Lot sizebigger than0.77 ac58% of homes74% of homes
Year builtnewer than196448% of homes58% of homes

About 12 William St

How much is 12 William St, Bedford, MA worth?

The TopHap Estimate for 12 William St, Bedford, MA is $808,112 as of Sep 24, 2026. The likely range is $756,453 to $859,771. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 William St, Bedford, MA last sell?

12 William St, Bedford, MA last sold on Aug 1, 2014 for $526,000, according to the county's recorded deed.

How big is 12 William St, Bedford, MA?

12 William St, Bedford, MA has 3 bedrooms, 3 bathrooms, 1,612 square feet of living space and a 0.77-acre lot.

When was 12 William St, Bedford, MA built?

12 William St, Bedford, MA was built in 1964, making it 62 years old. It is a split level home. The building has 2 stories.

What schools serve 12 William St, Bedford, MA?

12 William St, Bedford, MA is assigned to Lt Eleazer Davis (elementary); Bedford High School (high), rated A; John Glenn Middle School (middle), rated A+. All sit in Bedford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 William St, Bedford, MA compare to other homes in Bedford 01730?

Among the 4,357 homes in Bedford 01730, it is worth more than 19% of them ($808,112 against a typical $1,005,927), its price per square foot is higher than 38% of them ($501 against a typical $529), it is bigger than 35% of them (1,612 ft² against a typical 1,920 ft²), its lot is bigger than 58% of them (0.77 ac against a typical 0.69 ac) and it is newer than 48% of them (1964 against a typical 1965). Measured against all of Middlesex County, it is worth more than 53% 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 12 William St, Bedford, MA?

The 2025 property tax bill for 12 William St, Bedford, MA was $9,260. The county assessed it at $769,100.

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