21 Seneca Lane
Sandwich, MA · $2,195,000
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📊 STR projections🏖️ Beach distances🌊 Flood-zone risk📄 Investment dossier💰 Cash-flow analysis

21 Seneca Lane

Sandwich, MA 02563
$2,195,000
28 days on market · DEL → ACT on Mar 17, 2026
Data refreshed Apr 8, 2026
🌊 Not in FEMA SFHATax: $4,316/yr (2026)
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Type
SF
Beds
4
Baths
3.5
Sq Ft
3,300
Acres
0.85
Year Built
2026
$ / Sq Ft
$665
Days on Market
28

Investment Snapshot

🔴 HIGH RISK
Monthly Carrying
$12,276
Cash Flow / yr
$-68,059
Cash-on-Cash
-11.1%
Cash Required
$614,600
Projected Revenue / yr
$111,790
Avg Daily Rate
$578
Occupancy
53%
STR Range (P50)
$82,717
🔴 HIGH RISK — 10 permits/yr cap. Registration + inspection required.
STR revenue range: $55,671$113,824

Location & Nearby

Map of 21 Seneca Lane, Sandwich MA with nearby beaches and points of interest
HThis property
  • A
    🌲 Shawme-Crowell State Forest
    0.57 mi
  • B
    🍦 Twin Acres Ice Cream
    0.81 mi
  • C
    🛒 Stop & Shop - Sandwich
    0.82 mi
  • D
    🍽️ Café Chew
    0.94 mi
  • E
    🍽️ Moto Pizza Sandwich
    1.03 mi
  • F
    🍽️ The Sagamore
    1.08 mi
  • G
    🍦 The Shipwreck Ice Cream
    1.12 mi
  • H
    🍽️ Dunbar House Tea Room & Wine Bar
    1.15 mi

About this property

Step into modern elegance at 21 Seneca Lane, a stunning new construction Home near Sandwich Village. Nestled at the end of a quiet cul-de-sac, this thoughtfully designed home blends sophistication and comfort, offering the ideal Cape Cod retreat. At its heart is a show-stopping custom kitchen, perfect for culinary adventures and casual gatherings. The Great Room impresses with soaring ceilings, 8-foot sliders, and abundant natural light, seamlessly connecting indoor and outdoor living. A versatile first-floor office wrapped in rich paneling adds timeless elegance.The home features 4 spacious bedrooms, 3.5 beautifully appointed bathrooms, including a first-floor primary suite with a luxurious en-suite and custom walk-in closet. An open floorplan makes hosting effortless, while exceptional craftsmanship and custom woodworking shine throughout. Enjoy a serene, private setting with easy access to the bridge, beaches, shops, and historic attractions. Includes a 1-year home

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📋 Sandwich Short-Term Rental Rules
Registration, taxes, occupancy caps, and enforcement for STRs in Sandwich
Listed by Daniel Marsters, Compass