This well-maintained Cape Cod offers the best of Williamstown living in a highly convenient Main Street location, just steps from shops, restaurants, and local amenities. Set on 1.1 acres, the home features four bedrooms, two full baths, and about 2,500 sq ft, with two fireplaces adding warmth and character. Enjoy unobstructed views of Pine Cobble Mountain and protected green space that ensures lasting privacy. A walking path just outside your door makes it easy to enjoy the Berkshires. With an updated gas furnace and thoughtful upkeep throughout, this home is ideal as a full-time residence or a peaceful retreat.
Under contract
$549,900
166 Main St, Williamstown, MA 01267
4beds
2,453sqft
Single Family Residence
Built in 1950
1.1 Acres Lot
$560,100 Zestimate®
$224/sqft
$-- HOA
What's special
Well-maintained cape codUpdated gas furnaceThoughtful upkeep throughoutFour bedrooms
- 72 days |
- 80 |
- 3 |
Zillow last checked:
Listing updated:
Listed by:
Seth Alden info@altonwestall.com,
ALTON & WESTALL REAL ESTATE AGENCY, LLC
Source: BCMLS,MLS#: 249265
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
- Full bathrooms: 2
Bedroom 1
- Description: Currently used as a workout room, built-in closet/drawers
- Level: First
- Area: 203.2 Square Feet
- Dimensions: 15.50x13.11
Bedroom 2
- Description: Currently used as a TV room, two closets
- Level: First
- Area: 169.54 Square Feet
- Dimensions: 12.11x14.00
Bedroom 3
- Description: Spacious, large closet
- Level: Second
- Area: 253.4 Square Feet
- Dimensions: 18.10x14.00
Bedroom 4
- Description: Spacious, two closets
- Level: Second
- Area: 415.8 Square Feet
- Dimensions: 18.90x22.00
Full bathroom
- Description: Recently updated
- Level: First
- Area: 61.6 Square Feet
- Dimensions: 7.00x8.80
Full bathroom
- Level: Second
- Area: 61.6 Square Feet
- Dimensions: 7.00x8.80
Dining room
- Description: Recently updated, mountain views
- Level: First
- Area: 121.1 Square Feet
- Dimensions: 10.90x11.11
Kitchen
- Description: Recently updated
- Level: First
- Area: 121.38 Square Feet
- Dimensions: 11.90x10.20
Living room
- Description: Fireplace
- Level: First
- Area: 320.95 Square Feet
- Dimensions: 13.10x24.50
Other
- Description: Storage room
- Level: Second
- Area: 75.05 Square Feet
- Dimensions: 7.90x9.50
Heating
- Nat Gas, Hot Water
Cooling
- Attic Fan
Appliances
- Included: Dishwasher, Range, Refrigerator
Features
- Flooring: Carpet, Wood
- Basement: Interior Entry,Full,Concrete,Bulk head
Interior area
- Total structure area: 2,453
- Total interior livable area: 2,453 sqft
Property
Parking
- Parking features: Garaged & Off-Street
- Has attached garage: Yes
- Details: Garaged & Off-Street
Accessibility
- Accessibility features: Accessible Bedroom, Accessible Full Bath
Features
- Exterior features: Lighting, Privacy, Mature Landscaping, Landscaped
- Has view: Yes
- View description: Scenic, Pasture, Hill/Mountain, Distant
Lot
- Size: 1.1 Acres
- Dimensions: 253' x 200'
Details
- Parcel number: WILL M:112.0 B:0015
- Zoning description: Residential
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Cape Cod
- Property subtype: Single Family Residence
Materials
- Roof: Asphalt Shingles
Condition
- Year built: 1950
Utilities & green energy
- Electric: 150 Amp Service
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Fiber Optic Availabl
Community & HOA
Location
- Region: Williamstown
Financial & listing details
- Price per square foot: $224/sqft
- Tax assessed value: $410,600
- Annual tax amount: $6,339
- Date on market: 4/22/2026
Estimated market value
$560,100
$532,000 - $588,000
$3,387/mo
Price history
| Date | Event | Price |
|---|---|---|
| 4/27/2026 | Contingent | $549,900$224/sqft |
Source:  BCMLS #249265 Report a problem | ||
| 4/22/2026 | Listed for sale | $549,900+92.9%$224/sqft |
Source: BCMLS #249265 Report a problem | ||
| 7/13/2018 | Sold | $285,000-5%$116/sqft |
Source: BCMLS #221144 Report a problem | ||
| 5/2/2018 | Pending sale | $299,950$122/sqft |
Source: ALTON & WESTALL REAL ESTATE AGENCY, LLC #221144 Report a problem | ||
| 10/17/2017 | Listed for sale | $299,950$122/sqft |
Source: ALTON & WESTALL REAL ESTATE AGENCY, LLC #221144 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $5,501 +1.1% | $398,600 +10.9% |
| 2024 | $5,443 +3.4% | $359,300 +10.4% |
| 2023 | $5,263 +11% | $325,500 +18.8% |
| 2022 | $4,740 | $274,000 |
| 2021 | $4,740 -3.2% | $274,000 -1.5% |
| 2020 | $4,896 -7.1% | $278,200 -4.7% |
| 2019 | $5,269 +0.6% | $291,900 |
| 2018 | $5,237 +5.3% | $291,900 |
| 2017 | $4,974 +7.9% | $291,900 |
| 2016 | $4,609 +1.1% | $291,900 |
| 2015 | $4,557 +3.8% | $291,900 +1.6% |
| 2014 | $4,391 +1.1% | $287,400 -5% |
| 2013 | $4,345 -1.4% | $302,400 -4.1% |
| 2012 | $4,406 +10.6% | $315,200 +0.5% |
| 2011 | $3,983 +3.3% | $313,600 |
| 2010 | $3,857 +4.9% | $313,600 -2.8% |
| 2009 | $3,677 -5.2% | $322,500 -2.1% |
| 2008 | $3,880 +2.6% | $329,400 |
| 2007 | $3,782 +0.6% | $329,400 +4.2% |
| 2006 | $3,760 -0.8% | $316,000 +14.1% |
| 2005 | $3,789 -2.1% | $277,000 +5.3% |
| 2004 | $3,871 +12% | $263,000 |
| 2003 | $3,456 +15.6% | $263,000 +32.5% |
| 2001 | $2,989 | $198,500 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 01267
Nearby schools
GreatSchools rating
- 6/10Williamstown ElementaryGrades: PK-6Distance: 1.2 mi
- 7/10Mt Greylock Regional High SchoolGrades: 7-12Distance: 3.7 mi
Schools provided by the listing agent
- Elementary: Williamstown
- Middle: Mount Greylock Reg.
- High: Mount Greylock Reg.
Source: BCMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
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