Residential Income (General/Multi-Family)Residential
21 DARTMOUTH AVE
FALMOUTH, MA 02540
0
Baths
2,117 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
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.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,802 (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.$1,158,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$711,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$447,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,050,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,015,550
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.28 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.84%
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.Residential Income (General/Multi-Family)
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyBARNSTABLE
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.1985
Lot (acres)The size of the land the home sits on, from county records.0.14
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Steam
FireplaceWhether the home has a fireplace, and what kind.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.
EMH
Mullen-HallC-
Elementary · Grades KG–4 · 1.2 mi
LawrenceB-
Middle · Grades 7–8 · 1.4 mi
Falmouth High SchoolC+
High · Grades 9–12 · 3.1 mi
District: Falmouth School District
Neighborhood · ZIP 02540These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.49
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.67%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.9,084
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.691 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,017
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,996
Average tempThe average temperature here across a full year.50°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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Claim this homeData 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 Dartmouth Ave 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.
- Bigger than 74% of homes in Barnstable County
- Has a smaller lot than 96% of homes in Barnstable County
- Older than 95% of homes in Barnstable County
How it measures up in Falmouth 02540
The dot is this home. The mark in the middle is the typical home in Falmouth 02540.
Living area2,117 ft²
SmallerTypical 2,015 ft²Bigger
Bigger than 55% of homes nearby
Lot size0.14 ac
SmallerTypical 0.47 acBigger
Bigger than 5% of homes nearby
Year built1915
OlderTypical 1969Newer
Newer than 9% of homes nearby
| Measure | This home | Falmouth 02540 | Barnstable County |
|---|---|---|---|
| Living areabigger than | 2,117 ft² | 55% of homes | 74% of homes |
| Lot sizebigger than | 0.14 ac | 5% of homes | 4% of homes |
| Year builtnewer than | 1915 | 9% of homes | 5% of homes |
About 21 Dartmouth Ave
When did 21 Dartmouth Ave, Falmouth, MA last sell?
21 Dartmouth Ave, Falmouth, MA last sold on Jan 1, 1900, according to the county's recorded deed.
How big is 21 Dartmouth Ave, Falmouth, MA?
21 Dartmouth Ave, Falmouth, MA has 2,117 square feet of living space and a 0.14-acre lot.
When was 21 Dartmouth Ave, Falmouth, MA built?
21 Dartmouth Ave, Falmouth, MA was built in 1915, making it 111 years old. It is a conventional home. The building has 2 stories.
What schools serve 21 Dartmouth Ave, Falmouth, MA?
21 Dartmouth Ave, Falmouth, MA is assigned to Mullen-Hall (elementary), rated C-; Lawrence (middle), rated B-; Falmouth High School (high), rated C+. All sit in Falmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 21 Dartmouth Ave, Falmouth, MA compare to other homes in Falmouth 02540?
Among the 6,065 homes in Falmouth 02540, it is bigger than 55% of them (2,117 ft² against a typical 2,015 ft²), its lot is bigger than 5% of them (0.14 ac against a typical 0.47 ac) and it is newer than 9% of them (1915 against a typical 1969). 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 Dartmouth Ave, Falmouth, MA?
The 2025 property tax bill for 21 Dartmouth Ave, Falmouth, MA was $6,802. The county assessed it at $1,158,700.
More homes on Dartmouth Ave
- 15 Dartmouth Ave$1.3M4 bd · 2 ba · 1,222 ft² · Sold $177K · Oct 2023
- 12 Dartmouth Ave$1.6M4 bd · 2 ba · 2,062 ft² · Sold Jun 2016
- 26 Dartmouth Ave$1.2M3 bd · 3 ba · 1,840 ft² · Sold $453K · Jun 2011
- 7 Dartmouth Ave$1.2M3 bd · 2 ba · 1,256 ft² · Sold $70K · May 2009
- 8 Dartmouth Ave$1.2M3 bd · 2 ba · 1,494 ft² · Sold $450K · Dec 2006
- 2 Dartmouth Ave$1.3M4 bd · 2.5 ba · 1,400 ft² · Sold Mar 2004
- 16 Dartmouth Ave$1.2M4 bd · 2 ba · 1,776 ft² · Sold $350K · Apr 2002
- 3 Dartmouth Ave$1.1M2 bd · 1 ba · 1,266 ft² · Sold $129K · Apr 1997
- 18 Dartmouth Ave2,795 ft² · Sold Jan 1900
- 22 Dartmouth Ave$2M3 bd · 3.5 ba · 2,145 ft² · Sold Jan 1900
- 9 Dartmouth Ave$2M3 bd · 4 ba · 2,310 ft² · Sold Jan 1900
- 27 Dartmouth Ave$1.5M3 bd · 1 ba · 959 ft² · Sold Jan 1900
Closest homes
- 27 Dartmouth Ave$1.5M83 ft · 3 bd · 1 ba · 959 ft² · Sold Jan 1900
- 20 Hawthorne Ave$1.7M78 ft · 5 bd · 2 ba · 2,343 ft² · Sold Jan 1900
- 24 Hawthorne Ave$1.6M88 ft · 4 bd · 2.5 ba · 1,501 ft² · Sold Jun 2017
- 207 Grand Ave$3M108 ft · 5 bd · 4.5 ba · 3,462 ft² · Sold $985K · Jul 2015
- 22 Dartmouth Ave$2M102 ft · 3 bd · 3.5 ba · 2,145 ft² · Sold Jan 1900
- 205 Grand Ave$2.6M142 ft · 5 bd · 2.5 ba · 2,845 ft² · Sold $400K · Dec 2015
- 211 Grand Ave$2.8M149 ft · 5 bd · 5.5 ba · 2,858 ft² · Sold $2.1M · Feb 2021
- 26 Dartmouth Ave$1.2M124 ft · 3 bd · 3 ba · 1,840 ft² · Sold $453K · Jun 2011
More homes in Falmouth 02540
- 89 Belvidere Rd$1.9M3 bd · 2 ba · 3,128 ft² · Sold $1.8M · Oct 2026
- 637 Gifford St$800K2 bd · 3 ba · 2,065 ft² · Sold $795K · Oct 2026
- 39 Coleridge Dr$900K3 bd · 2 ba · 1,918 ft² · Sold $868K · Oct 2026
- 2 Hibbs Ln$1.2M3 bd · 4.5 ba · 2,872 ft² · Sold $975K · Sep 2026
- 110 Dillingham Ave$237K2 bd · 2 ba · 1,180 ft² · Sold $237K · Sep 2026
- 28 Frazar Rd$1.1M3 bd · 3 ba · 2,892 ft² · Sold $1M · Sep 2026
- 251 Scranton Ave$1.3M3 bd · 2.5 ba · 2,016 ft² · Sold $1.2M · Sep 2026
- 11 Grand Ave$1.1M4 bd · 1.5 ba · 1,440 ft² · Sold $185K · Sep 2026
- 31 Katy Hatchs Rd$1.2M3 bd · 2 ba · 1,452 ft² · Sold $1.2M · Sep 2026
- 18 Clearview Ave$1.5M3 bd · 2.5 ba · 2,436 ft² · Sold $1.3M · Sep 2026
- 66 Fresh River Ln$1.7M4 bd · 3 ba · 2,236 ft² · Sold $1.7M · Sep 2026
- 14 Pennsylvania Ave$1.6M4 bd · 2 ba · 2,328 ft² · Sold $1M · Sep 2026
Assigned schools
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