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Single Family ResidenceResidential
$2,012,847$503 / 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 76How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $1,251,000 on Nov 12, 2020

23 RIVERDALE RD

CONCORD, MA 01742
4
Beds
5.5
Baths
3,999 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
2021
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

$2M
$1.5M low$2.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,251,000 · Nov 12, 2020
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$122,847
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$98,278
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.87%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$1,890,000
CITIZENS BANK · R · recorded Aug 19, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$292 (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.$2,203,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$584,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,618,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,009,820

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
Lot (acres)The size of the land the home sits on, from county records.0.35
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
CoolingThe type of cooling or air conditioning in the home.Yes
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

Transaction History(13)

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.

H
Concord Carlisle High SchoolA+
High · Grades 9–12 · 0.7 mi
E
Willard Elementary SchoolA-
Elementary · Grades KG–5 · 1.9 mi
M
Concord Middle SchoolB+
Middle · Grades 6–8 · 2.0 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

23 Riverdale Rd 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 95% of homes in Middlesex County
  • Costs less per square foot than 83% of homes in Concord 01742
  • Bigger than 96% of homes in Middlesex County
  • Has a smaller lot than 79% of homes in Concord 01742
  • Among the newest homes in Concord 01742

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
$529K$4.3M

This home is worth more than 76% of 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$2,012,847
CheaperTypical $1,437,289Pricier

Pricier than 76% of homes nearby

Price per ft²$503
CheaperTypical $598Pricier

Pricier than 17% of homes nearby

Living area3,999 ft²
SmallerTypical 2,385 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.35 ac
SmallerTypical 0.69 acBigger

Bigger than 21% of homes nearby

Year built2021
OlderTypical 1966Newer

Newer than almost all homes nearby

How 23 Riverdale Rd ranks against every home in each area.
MeasureThis homeConcord 01742Middlesex County
Estimated valuepricier than$2,012,84776% of homes95% of homes
Price per ft²pricier than$50317% of homes59% of homes
Living areabigger than3,999 ft²85% of homes96% of homes
Lot sizebigger than0.35 ac21% of homes54% of homes
Year builtnewer than2021almost all homesalmost all homes

About 23 Riverdale Rd

How much is 23 Riverdale Rd, Concord, MA worth?

The TopHap Estimate for 23 Riverdale Rd, Concord, MA is $2,012,847 as of Jul 14, 2026. The likely range is $1,529,777 to $2,495,917. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Riverdale Rd, Concord, MA last sell?

23 Riverdale Rd, Concord, MA last sold on Nov 12, 2020 for $1,251,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 23 Riverdale Rd, Concord, MA?

23 Riverdale Rd, Concord, MA has 4 bedrooms, 5.5 bathrooms, 3,999 square feet of living space and a 0.35-acre lot.

When was 23 Riverdale Rd, Concord, MA built?

23 Riverdale Rd, Concord, MA was built in 2021, making it 5 years old. It is a colonial home. The building has 2 stories.

What schools serve 23 Riverdale Rd, Concord, MA?

23 Riverdale Rd, Concord, MA is assigned to Concord Carlisle High School (high), rated A+; Willard Elementary School (elementary), rated A-; Concord Middle School (middle), rated B+. All sit in Concord School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Riverdale Rd, Concord, MA compare to other homes in Concord 01742?

Among the 5,735 homes in Concord 01742, it is worth more than 76% of them ($2,012,847 against a typical $1,437,289), its price per square foot is higher than 17% of them ($503 against a typical $598), it is bigger than 85% of them (3,999 ft² against a typical 2,385 ft²), its lot is bigger than 21% of them (0.35 ac against a typical 0.69 ac) and it is newer than almost all of them (2021 against a typical 1966). Measured against all of Middlesex County, it is worth more than 95% 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 23 Riverdale Rd, Concord, MA?

The 2025 property tax bill for 23 Riverdale Rd, Concord, MA was $292. The county assessed it at $2,203,400.

Closest homes

More homes in Concord 01742

Assigned schools

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