20 Boat Cove Road offers a rare opportunity to build a new luxury custom waterfront residence on Lake Winnipesaukee with the hardest work already done. Full architectural plans for an approximately 5,072 sq ft Adirondack-style home are included, approved by the Town of Alton and NH DES, with an approved state septic design ready to install. Set at the end of a private cul-de-sac on a dead-end street, the 0.46 acre lot was recently expanded by merging land from an abutter, roughly doubling its original footprint and creating meaningful design flexibility for other home designs. The site enjoys open views of Lake Winnipesaukee and includes a deep-water dock with immediate boating access. The approved design features three finished floors anchored by a first-floor great room with floor-to-ceiling stone fireplace, first-floor primary suite, open kitchen with island and walk-in pantry, formal dining, lakeside deck and 3-car attached garage. The walkout lower level adds family and recreation space plus an additional bedroom and bath. The upper level includes two bedroom suites, a loft overlooking the great room, and a recreation room. An existing 3-bedroom, 1-bath year-round cottage is currently on site and available for $1,595,000 (MLS# 5083809), offering the opportunity to enjoy the lake immediately while preserving the option to build in the future. Minutes from Alton Bay's restaurants, marinas, shops, and year-round recreation, close to Gunstock skiing, with convenient access to the Seacoast and Boston in under two hours. Property is builder-owned, allowing potential flexibility for build-to-suit collaboration. A rare chance to skip the permitting cycle and build the Winnipesaukee home you want, on approved plans, now.
Active
Listed by: EXP Realty
$4,750,000
20-1 Boat Cove Road #2, Alton, NH 03810
4beds
5,072sqft
Single Family Residence
Built in ----
0.46 Acres Lot
$2,755,900 Zestimate®
$937/sqft
$-- HOA
What's special
- 48 days |
- 1,285 |
- 52 |
Zillow last checked:
Listing updated:
Listed by:
Corina Cisneros,
EXP Realty Cell:603-273-6160
Source: PrimeMLS,MLS#: 5085340
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 3
- 3/4 bathrooms: 1
- 1/2 bathrooms: 1
Heating
- Propane, Air to Air Heat Exchanger, Hot Air
Cooling
- Central Air
Appliances
- Included: Dishwasher, Microwave, Gas Range, Refrigerator
- Laundry: 1st Floor Laundry
Features
- Cathedral Ceiling(s), Dining Area, Kitchen Island, Kitchen/Dining, Primary BR w/ BA, Natural Light, Natural Woodwork, Walk-In Closet(s), Walk-in Pantry
- Flooring: Hardwood, Tile
- Basement: Finished,Full,Walkout,Interior Access,Exterior Entry,Walk-Out Access
- Number of fireplaces: 2
- Fireplace features: Gas, 2 Fireplaces
Interior area
- Total structure area: 5,488
- Total interior livable area: 5,072 sqft
- Finished area above ground: 3,872
- Finished area below ground: 1,200
Property
Parking
- Total spaces: 3
- Parking features: Paved, Driveway, Parking Spaces 3 - 5
- Garage spaces: 3
- Has uncovered spaces: Yes
Accessibility
- Accessibility features: 1st Floor 1/2 Bathroom, 1st Floor Bedroom, 1st Floor Full Bathroom, 1st Floor Hrd Surfce Flr, Paved Parking, 1st Floor Laundry
Features
- Levels: Two
- Stories: 2
- Patio & porch: Covered Porch
- Exterior features: Boat Slip/Dock, Balcony, Deck, Private Dock
- Has view: Yes
- View description: Water, Lake
- Has water view: Yes
- Water view: Water,Lake
- Waterfront features: Deep Water Access, Lake Access, Lake Front, Lakes, Waterfront
- Body of water: Lake Winnipesaukee
- Frontage length: Water frontage: 53,Road frontage: 70
Lot
- Size: 0.46 Acres
- Features: Recreational, Sloped, Steep Slope, Near Shopping, Near Skiing, Near Snowmobile Trails
Details
- Zoning description: LR-LAK
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Adirondack
- Property subtype: Single Family Residence
Materials
- Wood Frame, Cedar Exterior, Clapboard Exterior, Wood Exterior
- Foundation: Concrete
- Roof: Architectural Shingle
Condition
- New construction: Yes
Utilities & green energy
- Electric: 200+ Amp Service, Circuit Breakers
- Sewer: Leach Field, Septic Design Available, Septic Tank
- Utilities for property: None
Community & HOA
Community
- Security: HW/Batt Smoke Detector
Location
- Region: Alton
Financial & listing details
- Price per square foot: $937/sqft
- Date on market: 4/24/2026
- Road surface type: Dirt
Estimated market value
$2,755,900
$2.15M - $3.67M
$4,246/mo
Price history
| Date | Event | Price |
|---|---|---|
| 4/24/2026 | Listed for sale | $4,750,000$937/sqft |
Source:  PrimeMLS #5085340 Report a problem | ||
Public tax history
Tax history is unavailable.
Monthly payment
Est. payment$--/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: 03810
Nearby schools
GreatSchools rating
- 5/10Alton Central School (Elem)Grades: PK-8Distance: 3.3 mi
- 4/10Prospect Mountain High SchoolGrades: 9-12Distance: 4.3 mi
- NAProspect Mountain High SchoolGrades: 9-12Distance: 4.3 mi
Schools provided by the listing agent
- Elementary: Alton Central School
- Middle: Alton Central School
- High: Prospect Mountain High School
- District: Alton School District SAU #72
Source: PrimeMLS. 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.
- New Hampshire
- Belknap County
- Alton
- 03810
- 20-1 Boat Cove Road Unit 2
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