Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,173,124$273 / 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 96How 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 $675,000 on Jan 20, 2021

20 ROCKY DUNDEE RD

BOLTON, MA 01740
4
Beds
4.5
Baths
4,305 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.
2.57 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.1M 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.$675,000 · Jan 20, 2021
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.$678,124
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$542,499
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.42%
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.$420,000
CARDINAL FINANCIAL COMPANY LP · P · recorded Jan 20, 2021
2nd 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.$75,000
CITIZENS BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,034 (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.$1,024,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$220,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$804,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$979,355

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.61 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.2.57
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
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, 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
Florence Sawyer SchoolA-
Elementary · Grades PK–8 · 1.4 mi
H
Nashoba Regional High SchoolA
High · Grades 9–12 · 2.7 mi

District: Nashoba School District

Neighborhood · ZIP 01740These 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.21
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.67

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.5,809
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.287 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$195,128
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$206,848
Average tempThe average temperature here across a full year.47°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.50%

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

20 Rocky Dundee 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 98% of homes in Worcester County
  • Costs less per square foot than 92% of homes in Bolton 01740
  • Bigger than 98% of homes in Worcester County
  • Has a bigger lot than 87% of homes in Worcester County
  • Newer than 90% of homes in Worcester County

What homes are worth in Bolton 01740

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

This home
$398K$1.7M

This home is worth more than 82% of homes in Bolton 01740.

How it measures up in Bolton 01740

The dot is this home. The mark in the middle is the typical home in Bolton 01740.

Estimated value$1,173,124
CheaperTypical $870,283Pricier

Pricier than 82% of homes nearby

Price per ft²$273
CheaperTypical $345Pricier

Pricier than 8% of homes nearby

Living area4,305 ft²
SmallerTypical 2,544 ft²Bigger

Bigger than 94% of homes nearby

Lot size2.57 ac
SmallerTypical 1.96 acBigger

Bigger than 62% of homes nearby

Year built2005
OlderTypical 1989Newer

Newer than 81% of homes nearby

How 20 Rocky Dundee Rd ranks against every home in each area.
MeasureThis homeBolton 01740Worcester County
Estimated valuepricier than$1,173,12482% of homes98% of homes
Price per ft²pricier than$2738% of homes30% of homes
Living areabigger than4,305 ft²94% of homes98% of homes
Lot sizebigger than2.57 ac62% of homes87% of homes
Year builtnewer than200581% of homes90% of homes

About 20 Rocky Dundee Rd

How much is 20 Rocky Dundee Rd, Bolton, MA worth?

The TopHap Estimate for 20 Rocky Dundee Rd, Bolton, MA is $1,173,124 as of Jul 14, 2026. The likely range is $1,120,793 to $1,225,455. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Rocky Dundee Rd, Bolton, MA last sell?

20 Rocky Dundee Rd, Bolton, MA last sold on Jan 20, 2021 for $675,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 20 Rocky Dundee Rd, Bolton, MA?

20 Rocky Dundee Rd, Bolton, MA has 4 bedrooms, 4.5 bathrooms, 4,305 square feet of living space and a 2.57-acre lot.

When was 20 Rocky Dundee Rd, Bolton, MA built?

20 Rocky Dundee Rd, Bolton, MA was built in 2005, making it 21 years old. It is a colonial home. The building has 2 stories.

What schools serve 20 Rocky Dundee Rd, Bolton, MA?

20 Rocky Dundee Rd, Bolton, MA is assigned to Florence Sawyer School (elementary), rated A-; Nashoba Regional High School (high), rated A. All sit in Nashoba School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Rocky Dundee Rd, Bolton, MA compare to other homes in Bolton 01740?

Among the 1,951 homes in Bolton 01740, it is worth more than 82% of them ($1,173,124 against a typical $870,283), its price per square foot is higher than 8% of them ($273 against a typical $345), it is bigger than 94% of them (4,305 ft² against a typical 2,544 ft²), its lot is bigger than 62% of them (2.57 ac against a typical 1.96 ac) and it is newer than 81% of them (2005 against a typical 1989). Measured against all of Worcester County, it is worth more than 98% 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 20 Rocky Dundee Rd, Bolton, MA?

The 2025 property tax bill for 20 Rocky Dundee Rd, Bolton, MA was $17,034. The county assessed it at $1,024,900.

Closest homes

More homes in Bolton 01740

Assigned schools

Explore the area

See this home in context

Open 20 Rocky Dundee Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map