Duplex (2 Units, Any Combination)Residential
Last sold for $58,000 on Dec 27, 1979
20 ROCK ST
WOBURN, MA 01801
4
Beds
2
Baths
1,032 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
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.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$58,000 · Dec 27, 1979
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,156 (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.$603,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$335,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$268,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$587,800
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.35
1
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.
52
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
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.
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.31
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.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
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.
EMH
Hurld Wyman Elementary School
Elementary · Grades KG–5 · 0.3 mi
Joyce Middle SchoolC-
Middle · Grades 6–8 · 0.5 mi
Woburn Memorial High SchoolB-
High · Grades 9–12 · 1.2 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
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How this home compares
20 Rock 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.
- Smaller than 91% of homes in Cummingsville
- Older than 70% of homes in Cummingsville
How it measures up in Woburn 01801
The dot is this home. The mark in the middle is the typical home in Woburn 01801.
Living area1,032 ft²
SmallerTypical 1,548 ft²Bigger
Bigger than 13% of homes nearby
Lot size0.31 ac
SmallerTypical 0.28 acBigger
Bigger than 58% of homes nearby
Year built1958
OlderTypical 1960Newer
Newer than 48% of homes nearby
| Measure | This home | Cummingsville | Woburn 01801 | Middlesex County |
|---|---|---|---|---|
| Living areabigger than | 1,032 ft² | 9% of homes | 13% of homes | 12% of homes |
| Lot sizebigger than | 0.31 ac | 41% of homes | 58% of homes | 50% of homes |
| Year builtnewer than | 1958 | 30% of homes | 48% of homes | 50% of homes |
About 20 Rock St
When did 20 Rock St, Woburn, MA last sell?
20 Rock St, Woburn, MA last sold on Dec 27, 1979 for $58,000, according to the county's recorded deed.
How big is 20 Rock St, Woburn, MA?
20 Rock St, Woburn, MA has 4 bedrooms, 2 bathrooms, 1,032 square feet of living space and a 0.31-acre lot.
When was 20 Rock St, Woburn, MA built?
20 Rock St, Woburn, MA was built in 1958, making it 68 years old. It is a ranch home. The building has 1 story.
What schools serve 20 Rock St, Woburn, MA?
20 Rock St, Woburn, MA is assigned to Hurld Wyman Elementary School (elementary); Joyce Middle School (middle), rated C-; Woburn Memorial High School (high), rated B-. All sit in Woburn School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 20 Rock St, Woburn, MA compare to other homes in Woburn 01801?
Among the 11,913 homes in Woburn 01801, it is bigger than 13% of them (1,032 ft² against a typical 1,548 ft²), its lot is bigger than 58% of them (0.31 ac against a typical 0.28 ac) and it is newer than 48% of them (1958 against a typical 1960). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 20 Rock St, Woburn, MA?
The 2025 property tax bill for 20 Rock St, Woburn, MA was $5,156. The county assessed it at $603,800.
More homes on Rock St
- 23 Rock St$882K3 bd · 2.5 ba · 2,236 ft² · Sold $620K · Jul 2018
- 25 Rock St$842K3 bd · 2.5 ba · 1,994 ft² · Sold $565K · Aug 2016
- 10 Rock St$653K3 bd · 1.5 ba · 1,200 ft² · Sold Feb 2016
- 5 Rock St$812K4 bd · 1.5 ba · 1,952 ft² · Sold $300K · Nov 2011
- 24r Rock St$809K3 bd · 2 ba · 1,456 ft² · Sold $292K · Feb 2010
- 2 Rock St$814K3 bd · 2.5 ba · 1,964 ft² · Sold $392K · Dec 2009
- 24 Rock St$703K3 bd · 2 ba · 1,578 ft² · Sold $264K · Dec 2009
- 6 Rock St$729K3 bd · 2.5 ba · 1,540 ft² · Sold $419K · Jan 2006
- 3 Rock St$1M4 bd · 2.5 ba · 2,784 ft² · Sold $405K · Nov 2002
- 28 Rock St$876K4 bd · 2.5 ba · 1,976 ft² · Sold $200K · May 2000
- 8 Rock St$717K3 bd · 2 ba · 1,591 ft² · Sold $149K · Apr 1996
- 26 Rock St$930K4 bd · 1.5 ba · 2,787 ft² · Sold $132K · Jul 1986
Closest homes
- 10 Rock St$653K75 ft · 3 bd · 1.5 ba · 1,200 ft² · Sold Feb 2016
- 24r Rock St$809K92 ft · 3 bd · 2 ba · 1,456 ft² · Sold $292K · Feb 2010
- 24 Rock St$703K142 ft · 3 bd · 2 ba · 1,578 ft² · Sold $264K · Dec 2009
- 13r Houghton St$770K138 ft · 3 bd · 2.5 ba · 1,714 ft² · Sold $330K · Nov 2006
- 8 Rock St$717K150 ft · 3 bd · 2 ba · 1,591 ft² · Sold $149K · Apr 1996
- 11 Houghton St$780K210 ft · 4 bd · 2 ba · 1,930 ft² · Sold $468K · Oct 2016
- 9 Houghton St$830K259 ft · 3 bd · 2.5 ba · 1,488 ft² · Sold Jan 1900
- 6 Rock St$729K224 ft · 3 bd · 2.5 ba · 1,540 ft² · Sold $419K · Jan 2006
More homes in Woburn 01801
- 7 Intervale St$770K3 bd · 1.5 ba · 1,548 ft² · Sold $825K · Aug 2026
- 9 James Ter$735K3 bd · 2 ba · 1,040 ft² · Sold $775K · Aug 2026
- 42 Wood St$750K3 bd · 1.5 ba · 1,547 ft² · Sold $725K · Aug 2026
- 6 Stratton Dr$600K2 bd · 2 ba · 1,360 ft² · Sold $600K · Aug 2026
- 269 Cambridge Rd$520K2 bd · 2 ba · 974 ft² · Sold $520K · Aug 2026
- 1 Fox Rd$690K3 bd · 1 ba · 1,009 ft² · Sold $525K · Aug 2026
- 22 Archer Dr$1.1M3 bd · 2.5 ba · 2,045 ft² · Sold $1.2M · Aug 2026
- 72 Mishawum Rd$780K3 bd · 1.5 ba · 1,422 ft² · Sold $780K · Aug 2026
- 50 Mishawum Rd$640K2 bd · 1 ba · 1,404 ft² · Sold $640K · Aug 2026
- 365 Lexington St$703K3 bd · 2 ba · 1,469 ft² · Sold $532K · Aug 2026
- 273 Cambridge Rd$520K2 bd · 2 ba · 1,000 ft² · Sold $520K · Aug 2026
- 11 Beach St$910K3 bd · 1.5 ba · 1,820 ft² · Sold $910K · Aug 2026
Assigned schools
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