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$20,000,000 Just Listed
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Full Property Details for 15 20 & 21 Welch Island
General
- Price: $20,000,000
- Taxes: $39,984 (2025)
- Status: Active
- Type: Single Family
- Source: PrimeMLS
- MLS ID: 5104776
- Updated: Today (8/13/2026)
- Added to Site: Today
Interior
- Number of Rooms: 20
- Interior Features: Wood Fireplace
- Fireplace: Yes
- Appliances: Dishwasher, Dryer, Gas Range, Refrigerator, Washer
Rooms
Bathrooms
- Total Bathrooms: 6
- 3/4 Bathrooms: 5
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 11
Exterior
- Exterior Features: Hot Tub, Tennis Court
Location
- County: Belknap
- Driving Directions: Only accessible by boat.
Heating & Cooling
- Cooling Type: None
- Heating Type: Propane, Electric
Utilities
- Sewer: Private
Structural Information
- Construction Status: Existing
- Roof: Asphalt Shingles
- Stories/Levels: 2
- Square Feet: 6,274
- Finished Total: 6,274 Sq. Ft.
- Finished Above Grnd: 6,274 Sq. Ft.
- Year Built: 1915
Lot Features
- Lot Size (Acres): 30.11
- Lot Size (Sq. Ft.): 1,311,592
- Frontage: No Road Frontage
- Driveway/Sidewalk: None
- Zoning: IR
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Type: Lake
- Water Front Name: Lake Winnipesaukee
- Water Front Owned: 1
Financial Considerations
- Price Per Sq. Ft.: $3,187.76
- Tax Amount: $39,984
- Tax Year: 2025
Disclosures and Reports
- Lot Number: 36
Listed by Four Seasons Sotheby's Int'l Realty, Becky Fuller and Ashley Davis
Price & Sales History for 15 20 & 21 Welch Island
Estimate the Cost for 15 20 & 21 Welch Island
15, 20 & 21 Welch Island, Gilford, NH 03249 (MLS# 5104776) is a Single Family property with 11 bedrooms, 0 full bathrooms and 6 partial bathrooms. 15, 20 & 21 Welch Island is currently listed for $20,000,000 and was received on August 13, 2026. Want to learn more about 15, 20 & 21 Welch Island? Do you have questions about finding other Single Family real estate for sale in Gilford? You can browse all Gilford real estate or contact a Coldwell Banker agent to request more information.

