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Single Family ResidenceResidential
$604,051$148 / 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 93How 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

623 RICHARDSON RD

ASHBY, MA 01431
7
Beds
4 / 1
Baths
4,091 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.
12.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$604K
$564K low$644K high
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.$404,051
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$323,241
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.32%
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.$200,000
WORKERS CU · R · recorded May 1, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,585 (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.$432,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$98,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$334,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$442,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.12.20
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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, Attached
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.

E
Ashby Elementary SchoolB-
Elementary · Grades KG–4 · 2.0 mi
M
Hawthorne Brook Middle SchoolC-
Middle · Grades 5–8 · 6.5 mi
H
North Middlesex Regional High SchoolB-
High · Grades 9–12 · 8.4 mi

District: North Middlesex School District

Neighborhood · ZIP 01431These 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.92
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 100.74

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.3,266
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.136 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,151
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,531
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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.No

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

623 Richardson 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 80% of homes in Ashby 01431
  • Among the lowest price per square foot in Middlesex County
  • Bigger than 98% of homes in Ashby 01431
  • Has a bigger lot than 97% of homes in Middlesex County

What homes are worth in Ashby 01431

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

This home
$180K$809K

This home is worth more than 80% of homes in Ashby 01431.

How it measures up in Ashby 01431

The dot is this home. The mark in the middle is the typical home in Ashby 01431.

Estimated value$604,051
CheaperTypical $468,430Pricier

Pricier than 80% of homes nearby

Price per ft²$148
CheaperTypical $273Pricier

Pricier than 2% of homes nearby

Living area4,091 ft²
SmallerTypical 1,752 ft²Bigger

Bigger than 98% of homes nearby

Lot size12.2 ac
SmallerTypical 2.1 acBigger

Bigger than 90% of homes nearby

Year built1958
OlderTypical 1972Newer

Newer than 39% of homes nearby

How 623 Richardson Rd ranks against every home in each area.
MeasureThis homeAshby 01431Middlesex County
Estimated valuepricier than$604,05180% of homes26% of homes
Price per ft²pricier than$1482% of homesalmost no homes
Living areabigger than4,091 ft²98% of homes95% of homes
Lot sizebigger than12.2 ac90% of homes97% of homes
Year builtnewer than195839% of homes50% of homes

About 623 Richardson Rd

How much is 623 Richardson Rd, Ashby, MA worth?

The TopHap Estimate for 623 Richardson Rd, Ashby, MA is $604,051 as of Jul 14, 2026. The likely range is $563,814 to $644,288. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 623 Richardson Rd, Ashby, MA?

623 Richardson Rd, Ashby, MA has 7 bedrooms, 4 bathrooms, 4,091 square feet of living space and a 12.20-acre lot.

When was 623 Richardson Rd, Ashby, MA built?

623 Richardson Rd, Ashby, MA was built in 1958, making it 68 years old. The building has 2 stories.

What schools serve 623 Richardson Rd, Ashby, MA?

623 Richardson Rd, Ashby, MA is assigned to Ashby Elementary School (elementary), rated B-; Hawthorne Brook Middle School (middle), rated C-; North Middlesex Regional High School (high), rated B-. All sit in North Middlesex School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 623 Richardson Rd, Ashby, MA compare to other homes in Ashby 01431?

Among the 1,214 homes in Ashby 01431, it is worth more than 80% of them ($604,051 against a typical $468,430), its price per square foot is higher than 2% of them ($148 against a typical $273), it is bigger than 98% of them (4,091 ft² against a typical 1,752 ft²), its lot is bigger than 90% of them (12.2 ac against a typical 2.1 ac) and it is newer than 39% of them (1958 against a typical 1972). Measured against all of Middlesex County, it is worth more than 26% 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 623 Richardson Rd, Ashby, MA?

The 2025 property tax bill for 623 Richardson Rd, Ashby, MA was $6,585. The county assessed it at $432,400.

More homes on Richardson Rd

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Assigned schools

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