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Single Family ResidenceResidential
$1,541,789$543 / 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 97How 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 $1,050,000 on Jun 5, 2019

18 WALNUT ST

MEDFORD, MA 02155
5
Beds
2.5
Baths
2,842 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.5M
$1.5M low$1.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,050,000 · Jun 5, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,671 (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.$1,326,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$468,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$857,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,338,075

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.27 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.74%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.16
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Radiant
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.

Foreclosure Filings(2)

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

M
Andrews Middle SchoolC+
Middle · Grades 6–8 · 0.8 mi
H
Medford High SchoolC
High · Grades 9–12 · 1.1 mi
E
Columbus Elementary SchoolC
Elementary · Grades PK–5 · 1.1 mi

District: Medford School District

Neighborhood · ZIP 02155These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.61,548
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,108 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,601
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,923
Average tempThe average temperature here across a full year.50°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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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

18 Walnut 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 most valuable homes in Medford 02155
  • Costs more per square foot than 67% of homes in Middlesex County
  • Bigger than 89% of homes in Medford 02155
  • Has a bigger lot than 90% of homes in Medford Hillside
  • Older than 81% of homes in Middlesex County

What homes are worth in Medford 02155

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

This home
$406K$1.5M

This home is worth more than almost all homes in Medford 02155.

How it measures up in Medford 02155

The dot is this home. The mark in the middle is the typical home in Medford 02155.

Estimated value$1,541,789
CheaperTypical $790,994Pricier

Pricier than almost all homes nearby

Price per ft²$543
CheaperTypical $531Pricier

Pricier than 56% of homes nearby

Living area2,842 ft²
SmallerTypical 1,715 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.16 ac
SmallerTypical 0.12 acBigger

Bigger than 76% of homes nearby

Year built1910
OlderTypical 1920Newer

Newer than 36% of homes nearby

How 18 Walnut St ranks against every home in each area.
MeasureThis homeMedford HillsideMedford 02155Middlesex County
Estimated valuepricier than$1,541,78998% of homesalmost all homes89% of homes
Price per ft²pricier than$54334% of homes56% of homes67% of homes
Living areabigger than2,842 ft²86% of homes89% of homes82% of homes
Lot sizebigger than0.16 ac90% of homes76% of homes26% of homes
Year builtnewer than191060% of homes36% of homes19% of homes

About 18 Walnut St

How much is 18 Walnut St, Medford, MA worth?

The TopHap Estimate for 18 Walnut St, Medford, MA is $1,541,789 as of Sep 24, 2026. The likely range is $1,500,325 to $1,583,253. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Walnut St, Medford, MA last sell?

18 Walnut St, Medford, MA last sold on Jun 5, 2019 for $1,050,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18 Walnut St, Medford, MA?

18 Walnut St, Medford, MA has 5 bedrooms, 2.5 bathrooms, 2,842 square feet of living space and a 0.16-acre lot.

When was 18 Walnut St, Medford, MA built?

18 Walnut St, Medford, MA was built in 1910, making it 116 years old. It is a conventional home. The building has 2 stories.

What schools serve 18 Walnut St, Medford, MA?

18 Walnut St, Medford, MA is assigned to Andrews Middle School (middle), rated C+; Medford High School (high), rated C; Columbus Elementary School (elementary), rated C. All sit in Medford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Walnut St, Medford, MA compare to other homes in Medford 02155?

Among the 16,120 homes in Medford 02155, it is worth more than almost all of them ($1,541,789 against a typical $790,994), its price per square foot is higher than 56% of them ($543 against a typical $531), it is bigger than 89% of them (2,842 ft² against a typical 1,715 ft²), its lot is bigger than 76% of them (0.16 ac against a typical 0.12 ac) and it is newer than 36% of them (1910 against a typical 1920). Measured against all of Middlesex County, it is worth more than 89% 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 18 Walnut St, Medford, MA?

The 2025 property tax bill for 18 Walnut St, Medford, MA was $11,671. The county assessed it at $1,326,300.

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Assigned schools

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