Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$569,675$365 / 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 90How 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 $285,000 on Nov 22, 2002

21 JOHN ST

WOBURN, MA 01801
3
Beds
1
Baths
1,560 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$570K
$512K low$628K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$285,000 · Nov 22, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,355 (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.$509,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$237,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$272,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$571,900

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.Colonial
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.09
ConstructionThe main material the home's frame and walls are built from.Stone
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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

Transaction History(5)

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.

H
Woburn Memorial High SchoolC+
High · Grades 9–12 · 0.9 mi
E
Goodyear Elementary SchoolD+
Elementary · Grades KG–5 · 1.4 mi
M
Joyce Middle SchoolC-
Middle · Grades 6–8 · 1.4 mi

District: Woburn School District

Neighborhood · ZIP 01801These 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.91
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 100.82

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.41,334
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,253 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,257
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,854
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

Do you own this home?
Claim this home

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

21 John 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 86% of homes in Woburn 01801
  • Costs less per square foot than 93% of homes in Woburn 01801
  • Has a smaller lot than 98% of homes in Woburn 01801
  • Older than 75% of homes in Woburn 01801

What homes are worth in Woburn 01801

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

This home
$332K$1.3M

This home is worth more than 14% of homes in Woburn 01801.

How it measures up in Woburn 01801

The dot is this home. The mark in the middle is the typical home in Woburn 01801.

Estimated value$569,675
CheaperTypical $725,000Pricier

Pricier than 14% of homes nearby

Price per ft²$365
CheaperTypical $487Pricier

Pricier than 7% of homes nearby

Living area1,560 ft²
SmallerTypical 1,549 ft²Bigger

Bigger than 51% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.28 acBigger

Bigger than 2% of homes nearby

Year built1940
OlderTypical 1960Newer

Newer than 25% of homes nearby

How 21 John St ranks against every home in each area.
MeasureThis homeDowntown WoburnWoburn 01801Middlesex County
Estimated valuepricier than$569,67520% of homes14% of homes22% of homes
Price per ft²pricier than$36510% of homes7% of homes24% of homes
Living areabigger than1,560 ft²49% of homes51% of homes38% of homes
Lot sizebigger than3,920 ft²4% of homes2% of homes8% of homes
Year builtnewer than194045% of homes25% of homes36% of homes

About 21 John St

How much is 21 John St, Woburn, MA worth?

The TopHap Estimate for 21 John St, Woburn, MA is $569,675 as of Sep 24, 2026. The likely range is $511,838 to $627,512. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 John St, Woburn, MA last sell?

21 John St, Woburn, MA last sold on Nov 22, 2002 for $285,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 John St, Woburn, MA?

21 John St, Woburn, MA has 3 bedrooms, 1 bathrooms, 1,560 square feet of living space and a 0.09-acre lot.

When was 21 John St, Woburn, MA built?

21 John St, Woburn, MA was built in 1940, making it 86 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 John St, Woburn, MA?

21 John St, Woburn, MA is assigned to Woburn Memorial High School (high), rated C+; Goodyear Elementary School (elementary), rated D+; Joyce Middle School (middle), rated C-. All sit in Woburn School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 John St, Woburn, MA compare to other homes in Woburn 01801?

Among the 11,913 homes in Woburn 01801, it is worth more than 14% of them ($569,675 against a typical $725,000), its price per square foot is higher than 7% of them ($365 against a typical $487), it is bigger than 51% of them (1,560 ft² against a typical 1,549 ft²), its lot is bigger than 2% of them (3,920 ft² against a typical 0.28 ac) and it is newer than 25% of them (1940 against a typical 1960). Measured against all of Middlesex County, it is worth more than 22% 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 21 John St, Woburn, MA?

The 2025 property tax bill for 21 John St, Woburn, MA was $4,355. The county assessed it at $509,900.

More homes on John St

Closest homes

More homes in Woburn 01801

Assigned schools

Explore the area

See this home in context

Open 21 John 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
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map