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CondominiumResidential
$341,326$212 / 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 Oct 21, 2026
Last sold for $223,043 on Jun 16, 2020

335 WALDEN ST

CONCORD, MA 01742
3
Beds
2 / 1
Baths
1,613 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.
2009
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$341K
$322K low$361K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$223,043 · Jun 16, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,711 (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.$279,835 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$279,835
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$262,778

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.14 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.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
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMiddlesex
HeatingThe type of heating system in the home.Hot Water
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(3)

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
Alcott Elementary SchoolA+
Elementary · Grades KG–5 · 0.2 mi
H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 0.5 mi
M
Concord Middle SchoolA+
Middle · Grades 6–8 · 2.8 mi

District: Concord School District

Neighborhood · ZIP 01742These 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.47
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.18,974
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.737 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$185,796
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$221,000
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%

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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

335 Walden 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.

  • Among the least valuable homes in Concord 01742
  • Among the lowest price per square foot in Concord 01742
  • Smaller than 77% of homes in Concord 01742
  • Newer than 94% of homes in Middlesex County

What homes are worth in Concord 01742

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

This home
$543K$4.5M

This home is worth less than almost all homes in Concord 01742.

How it measures up in Concord 01742

The dot is this home. The mark in the middle is the typical home in Concord 01742.

Estimated value$341,326
CheaperTypical $1,458,019Pricier

Cheaper than almost all homes nearby

Price per ft²$212
CheaperTypical $608Pricier

Cheaper than almost all homes nearby

Living area1,613 ft²
SmallerTypical 2,387 ft²Bigger

Bigger than 23% of homes nearby

Year built2009
OlderTypical 1966Newer

Newer than 91% of homes nearby

How 335 Walden St ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Estimated valuepricier than$341,326almost no homes4% of homes
Price per ft²pricier than$212almost no homesalmost no homes
Living areabigger than1,613 ft²23% of homes40% of homes
Year builtnewer than200991% of homes94% of homes

About 335 Walden St

How much is 335 Walden St, Concord, MA worth?

The TopHap Estimate for 335 Walden St, Concord, MA is $341,326 as of Oct 21, 2026. The likely range is $321,736 to $360,916. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 335 Walden St, Concord, MA last sell?

335 Walden St, Concord, MA last sold on Jun 16, 2020 for $223,043, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 335 Walden St, Concord, MA?

335 Walden St, Concord, MA has 3 bedrooms, 2 bathrooms and 1,613 square feet of living space.

When was 335 Walden St, Concord, MA built?

335 Walden St, Concord, MA was built in 2009, making it 17 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 335 Walden St, Concord, MA?

335 Walden St, Concord, MA is assigned to Alcott Elementary School (elementary), rated A+; Concord Carlisle High School (high), rated A+; Concord Middle School (middle), rated A+. All sit in Concord School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 335 Walden St, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is worth more than almost none of them ($341,326 against a typical $1,458,019), its price per square foot is higher than almost none of them ($212 against a typical $608), it is bigger than 23% of them (1,613 ft² against a typical 2,387 ft²) and it is newer than 91% of them (2009 against a typical 1966). Measured against all of Middlesex County, it is worth more than 4% 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 335 Walden St, Concord, MA?

The 2025 property tax bill for 335 Walden St, Concord, MA was $3,711. The county assessed it at $279,835.

More homes on Walden St

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Assigned schools

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