340 MASON ROAD EXT
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(2)
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.
District: Dudley-Charlton Regional School District
Neighborhood · ZIP 01571These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
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
340 Mason Road Ext 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.
- Costs more per square foot than 85% of homes in Dudley 01571
- Smaller than 73% of homes in Worcester County
- Newer than 67% of homes in Worcester County
What homes are worth in Dudley 01571
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 56% of homes in Dudley 01571.
How it measures up in Dudley 01571
The dot is this home. The mark in the middle is the typical home in Dudley 01571.
Pricier than 56% of homes nearby
Pricier than 85% of homes nearby
Bigger than 31% of homes nearby
Bigger than 47% of homes nearby
Newer than 66% of homes nearby
| Measure | This home | Dudley 01571 | Worcester County |
|---|---|---|---|
| Estimated valuepricier than | $463,080 | 56% of homes | 46% of homes |
| Price per ft²pricier than | $358 | 85% of homes | 76% of homes |
| Living areabigger than | 1,292 ft² | 31% of homes | 27% of homes |
| Lot sizebigger than | 0.5 ac | 47% of homes | 51% of homes |
| Year builtnewer than | 1986 | 66% of homes | 67% of homes |
About 340 Mason Road Ext
How much is 340 Mason Road Ext, Dudley, MA worth?
The TopHap Estimate for 340 Mason Road Ext, Dudley, MA is $463,080 as of Aug 30, 2026. The likely range is $428,778 to $497,382. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 340 Mason Road Ext, Dudley, MA last sell?
340 Mason Road Ext, Dudley, MA last sold on Nov 17, 1994 for $143,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.
How big is 340 Mason Road Ext, Dudley, MA?
340 Mason Road Ext, Dudley, MA has 3 bedrooms, 3 bathrooms, 1,292 square feet of living space and a 0.50-acre lot.
When was 340 Mason Road Ext, Dudley, MA built?
340 Mason Road Ext, Dudley, MA was built in 1986, making it 40 years old. It is a raised ranch home. The building has 1 story.
What schools serve 340 Mason Road Ext, Dudley, MA?
340 Mason Road Ext, Dudley, MA is assigned to Shepherd Hill Regional High School (high), rated C+; Dudley Middle School (middle), rated C-; Mason Road Elementary School (elementary). All sit in Dudley-Charlton Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 340 Mason Road Ext, Dudley, MA compare to other homes in Dudley 01571?
Among the 3,789 homes in Dudley 01571, it is worth more than 56% of them ($463,080 against a typical $445,881), its price per square foot is higher than 85% of them ($358 against a typical $283), it is bigger than 31% of them (1,292 ft² against a typical 1,600 ft²), its lot is bigger than 47% of them (0.5 ac against a typical 0.53 ac) and it is newer than 66% of them (1986 against a typical 1972). Measured against all of Worcester County, it is worth more than 46% 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 340 Mason Road Ext, Dudley, MA?
The 2025 property tax bill for 340 Mason Road Ext, Dudley, MA was $4,161. The county assessed it at $393,700.
More homes on Mason Road Ext
- 337 Mason Road Ext$582K3 bd · 3 ba · 1,924 ft² · Sold $567K · Feb 2026
- 300 Mason Road Ext$433K4 bd · 2.5 ba · 2,315 ft² · Sold $415K · Oct 2025
- 330 Mason Road Ext$558K4 bd · 2 ba · 1,496 ft² · Sold $525K · Jun 2025
- 332 Mason Road Ext$526K3 bd · 1 ba · 1,236 ft² · Sold $485K · Jul 2024
- 323 Mason Road Ext$408K2 bd · 2 ba · 864 ft² · Sold $371K · Dec 2023
- 427 Mason Road Ext$720K4 bd · 4 ba · 2,341 ft² · Sold $660K · Apr 2023
- 318 Mason Road Ext$393K3 bd · 1 ba · 1,008 ft² · Sold $355K · Oct 2022
- 324 Mason Road Ext$488K4 bd · 3 ba · 2,016 ft² · Sold $400K · Jul 2022
- 336 Mason Road Ext$487K3 bd · 2 ba · 1,242 ft² · Sold $430K · May 2022
- 424 Mason Road Ext$702K3 bd · 3 ba · 2,698 ft² · Sold $650K · Mar 2022
- 317 Mason Road Ext$413K3 bd · 1 ba · 1,075 ft² · Sold $330K · Nov 2021
- 356 Mason Road Ext$529K3 bd · 3 ba · 1,996 ft² · Sold $424K · May 2021
Closest homes
- 336 Mason Road Ext$487K133 ft · 3 bd · 2 ba · 1,242 ft² · Sold $430K · May 2022
- 1 Cardinal Dr$505K181 ft · 3 bd · 3 ba · 1,872 ft² · Sold $183K · Mar 1989
- 10 Cardinal Dr$568K151 ft · 4 bd · 2.5 ba · 1,909 ft² · Sold $327K · Jun 2019
- 334 Mason Road Ext$377K250 ft · 3 bd · 1 ba · 1,236 ft² · Sold Mar 1977
- 329 Mason Road Ext204 ft · 0.58 ac · Sold $9K · Jun 1997
- 3 Cardinal Dr$495K267 ft · 3 bd · 2 ba · 1,898 ft² · Sold $135K · Aug 2021
- 350 Mason Road Ext$586K311 ft · 4 bd · 2.5 ba · 2,014 ft² · Sold $384K · Mar 2020
- 327 Mason Road Ext$434K299 ft · 3 bd · 1 ba · 1,189 ft² · Sold $275K · Oct 2020
More homes in Dudley 01571
- 108 Southbridge Rd$210K3 bd · 1 ba · 980 ft² · Sold $210K · Aug 2026
- 266 W Main St$350K3 bd · 1 ba · 1,008 ft² · Sold $361K · Aug 2026
- 71 Eagle Dr$600K3 bd · 3.5 ba · 2,880 ft² · Sold $600K · Aug 2026
- 3 Chestnut St4 bd · 2 ba · 2,059 ft² · Sold $513K · Aug 2026
- 14 Circle Dr$490K3 bd · 2.5 ba · 1,574 ft² · Sold $490K · Aug 2026
- 17 Corbin Rd$612K4 bd · 2 ba · 2,544 ft² · Sold $213K · Aug 2026
- 27 Hall Rd$390K3 bd · 2 ba · 1,400 ft² · Sold $350K · Aug 2026
- 72 Nw Schoolhouse Rd$355K2 bd · 1 ba · 1,186 ft² · Sold $355K · Aug 2026
- 12 Charlton Rd$450K3 bd · 2 ba · 1,289 ft² · Sold $450K · Aug 2026
- 148 Southbridge Rd$385K3 bd · 1.5 ba · 1,229 ft² · Sold Aug 2026
- 25 George St$210K1 bd · 1 ba · 713 ft² · Sold $210K · Aug 2026
- 1 Korch Ave$445K3 bd · 2 ba · 1,304 ft² · Sold $445K · Aug 2026
Assigned schools
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