Presenting a rare and extraordinary opportunity set along the shores of Osterville's exclusive West Bay. This exquisite waterfront estate features a four-bedroom main residence masterfully designed by Hutker Architects to showcase sweeping water views amidst inimitable quality and craftsmanship. Designed as a generational compound affording the utmost privacy in an incomparable setting, the estate includes a three-bedroom guest house, a swimming pool, sandy beach, an outhaul mooring, and a dock for non-motorized crafts. From the poolside terrace to multiple stone patios overlooking West Bay, the property caters to outdoor living and enjoys a seamless connection to its surroundings, with grounds designed by award-winning landscape architect Kris Horiuchi. Throughout the main living space, oversized windows frame breathtaking water views, while understated elegance defines the interiors, with beamed ceilings, wainscoting, and a double-sided stone fireplace that offers striking visual appeal. The chef's kitchen features professional-grade appliances, a breakfast bar, and pantry, equipped for any occasion with an adjacent dining room and direct access to a stone terrace for al fresco dining. Set within its own wing, the first-floor primary suite features a covered deck, a large walk-in closet, a private office, and a luxurious bathroom with dual vanities. On the second level, three bedrooms and two full bathrooms provide well-appointed accommodations for family and guests. Located on Osterville's coveted Eel River Road, this magnificent waterfront estate is minutes from Wianno, Oyster Harbors, and the boutique shops and restaurants on Main Street. Every element of this property reflects intentional design, discretion, and timeless elegance, while embodying the essence of Cape Cod living.
For sale
$10,500,000
109 Eel River Road, Osterville, MA 02655
7beds
6,368sqft
Single Family Residence
Built in 2007
1.04 Acres Lot
$10,077,100 Zestimate®
$1,649/sqft
$-- HOA
What's special
Waterfront estateSwimming poolSandy beachPoolside terraceFour-bedroom main residenceBreakfast barOuthaul mooring
- 13 days |
- 1,670 |
- 81 |
Zillow last checked:
Listing updated:
Listed by:
Paul E Grover 508.364.3500,
Berkshire Hathaway HomeServices Robert Paul Properties,
Matthew de Groot 917-596-3060,
Berkshire Hathaway HomeServices Robert Paul Properties
Source: CCIMLS,MLS#: 22602692
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 7
- Bathrooms: 6
- Full bathrooms: 5
- 1/2 bathrooms: 1
Primary bedroom
- Features: Walk-In Closet(s), View, Office/Sitting Area, Cathedral Ceiling(s)
- Level: First
Primary bathroom
- Features: Private Full Bath
Heating
- Has Heating (Unspecified Type)
Cooling
- Central Air
Appliances
- Included: Gas Water Heater
Features
- Flooring: Wood, Carpet, Tile
- Basement: Full,Interior Entry
- Number of fireplaces: 3
Interior area
- Total structure area: 6,368
- Total interior livable area: 6,368 sqft
Video & virtual tour
Property
Parking
- Total spaces: 4
- Parking features: Garage, Open
- Garage spaces: 2
- Has uncovered spaces: Yes
Features
- Stories: 2
- Patio & porch: Deck, Patio
- Has private pool: Yes
- Pool features: Heated, In Ground
- Has view: Yes
- Has water view: Yes
- Water view: Bay/Harbor
- On waterfront: Yes
- Body of water: West Bay
Lot
- Size: 1.04 Acres
- Features: Conservation Area, School, House of Worship, Near Golf Course, Shopping, Public Tennis, Marina, In Town Location, Level, Wooded, South of Route 28
Details
- Parcel number: OSTE M:115 L:009
- Zoning: RF-1
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Cape Cod, Shingle
- Property subtype: Single Family Residence
Materials
- Shingle Siding
- Foundation: Poured
- Roof: Wood, Shingle
Condition
- Actual
- New construction: No
- Year built: 2007
Utilities & green energy
- Sewer: Septic Tank
Community & HOA
HOA
- Has HOA: No
Location
- Region: Osterville
Financial & listing details
- Price per square foot: $1,649/sqft
- Tax assessed value: $6,567,200
- Annual tax amount: $53,977
- Date on market: 6/5/2026
- Cumulative days on market: 8 days
- Road surface type: Paved
Estimated market value
$10,077,100
$9.57M - $10.58M
$7,870/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/5/2026 | Listed for sale | $10,500,000+183.8%$1,649/sqft |
Source: | ||
| 6/5/2006 | Sold | $3,700,000$581/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $55,577 +6.6% | $6,869,900 +2.9% |
| 2024 | $52,145 +3.1% | $6,676,700 +10.1% |
| 2023 | $50,563 +12.7% | $6,062,700 +30.2% |
| 2022 | $44,871 +1.3% | $4,654,700 +10.2% |
| 2021 | $44,308 +3.2% | $4,223,800 +7.8% |
| 2020 | $42,933 +5.7% | $3,917,200 +8.8% |
| 2019 | $40,610 +1.1% | $3,600,200 +0.5% |
| 2018 | $40,187 +5.7% | $3,581,700 +1.4% |
| 2017 | $38,008 -3.1% | $3,532,300 -1.9% |
| 2016 | $39,235 -0.8% | $3,599,500 -1.2% |
| 2015 | $39,535 +2.1% | $3,643,800 0% |
| 2014 | $38,739 +3.8% | $3,644,300 0% |
| 2013 | $37,324 +1.8% | $3,644,900 -2.1% |
| 2012 | $36,657 +3% | $3,721,500 -1.9% |
| 2011 | $35,591 +4% | $3,794,300 +0.1% |
| 2010 | $34,237 +19.3% | $3,791,500 +5.4% |
| 2009 | $28,694 +11.8% | $3,595,700 +6.6% |
| 2008 | $25,675 +117% | $3,373,800 +80.2% |
| 2007 | $11,832 +3.3% | $1,872,100 +3.1% |
| 2006 | $11,455 +6% | $1,815,300 +1.7% |
| 2005 | $10,802 -12.4% | $1,785,500 +62.4% |
| 2004 | $12,335 | $1,099,400 |
| 2003 | $12,335 +25.9% | $1,099,400 +0.9% |
| 2001 | $9,795 +2.1% | $1,089,500 +45.4% |
| 2000 | $9,591 | $749,300 |
Find assessor info on the county website
Monthly payment
Est. payment$--/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: Osterville
Nearby schools
GreatSchools rating
- 3/10Barnstable United Elementary SchoolGrades: 4-5Distance: 2.8 mi
- 3/10Barnstable High SchoolGrades: 8-12Distance: 4.3 mi
- 8/10West Villages Elementary SchoolGrades: K-3Distance: 3 mi
Schools provided by the listing agent
- District: Barnstable
Source: CCIMLS. 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.
- Massachusetts
- Barnstable County
- Barnstable
- 02655
- Osterville
- 109 Eel River Road




