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Single Family ResidenceResidential
$1,096,584$341 / 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 95How 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 $400,000 on Dec 23, 2004

51 MARK AVE

READING, MA 01867
4
Beds
3.5
Baths
3,212 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · Dec 23, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,059 (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.$970,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$446,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$524,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$966,340

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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyMIDDLESEX
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.1980
Lot (acres)The size of the land the home sits on, from county records.0.40
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
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(8)

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
Birch Meadow Elementary SchoolA-
Elementary · Grades KG–5 · 0.5 mi
M
Arthur W. Coolidge Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
H
Reading Memorial High SchoolA-
High · Grades 9–12 · 0.7 mi

District: Reading School District

Neighborhood · ZIP 01867These 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.29
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
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.25,631
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,546 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,651
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,912
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%

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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

51 Mark 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.

  • Worth more than 76% of homes in Reading 01867
  • Costs less per square foot than 92% of homes in Reading 01867
  • Bigger than 89% of homes in Middlesex County

What homes are worth in Reading 01867

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

This home
$375K$1.7M

This home is worth more than 76% of homes in Reading 01867.

How it measures up in Reading 01867

The dot is this home. The mark in the middle is the typical home in Reading 01867.

Estimated value$1,096,584
CheaperTypical $886,077Pricier

Pricier than 76% of homes nearby

Price per ft²$341
CheaperTypical $471Pricier

Pricier than 8% of homes nearby

Living area3,212 ft²
SmallerTypical 1,942 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.4 ac
SmallerTypical 0.35 acBigger

Bigger than 55% of homes nearby

Year built1959
OlderTypical 1958Newer

Newer than 51% of homes nearby

How 51 Mark Ave ranks against every home in each area.
MeasureThis homeReading 01867Middlesex County
Estimated valuepricier than$1,096,58476% of homes76% of homes
Price per ft²pricier than$3418% of homes17% of homes
Living areabigger than3,212 ft²88% of homes89% of homes
Lot sizebigger than0.4 ac55% of homes57% of homes
Year builtnewer than195951% of homes51% of homes

About 51 Mark Ave

How much is 51 Mark Ave, Reading, MA worth?

The TopHap Estimate for 51 Mark Ave, Reading, MA is $1,096,584 as of Sep 24, 2026. The likely range is $1,042,186 to $1,150,982. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Mark Ave, Reading, MA last sell?

51 Mark Ave, Reading, MA last sold on Dec 23, 2004 for $400,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 51 Mark Ave, Reading, MA?

51 Mark Ave, Reading, MA has 4 bedrooms, 3.5 bathrooms, 3,212 square feet of living space and a 0.40-acre lot.

When was 51 Mark Ave, Reading, MA built?

51 Mark Ave, Reading, MA was built in 1959, making it 67 years old. It is a colonial home. The building has 2 stories.

What schools serve 51 Mark Ave, Reading, MA?

51 Mark Ave, Reading, MA is assigned to Birch Meadow Elementary School (elementary), rated A-; Arthur W. Coolidge Middle School (middle), rated A; Reading Memorial High School (high), rated A-. All sit in Reading School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Mark Ave, Reading, MA compare to other homes in Reading 01867?

Among the 8,629 homes in Reading 01867, it is worth more than 76% of them ($1,096,584 against a typical $886,077), its price per square foot is higher than 8% of them ($341 against a typical $471), it is bigger than 88% of them (3,212 ft² against a typical 1,942 ft²), its lot is bigger than 55% of them (0.4 ac against a typical 0.35 ac) and it is newer than 51% of them (1959 against a typical 1958). Measured against all of Middlesex County, it is worth more than 76% 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 51 Mark Ave, Reading, MA?

The 2025 property tax bill for 51 Mark Ave, Reading, MA was $11,059. The county assessed it at $970,900.

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