New12
$995,000
2 bd · 1 ba · 710 sqft
20 Cedar Swamp Lane, Chatham, MA
Ellen Valentgas · Sotheby's International Realty · on 2 MLSs

No listing photos
2
Beds
1
Baths
690
Sqft
1950
Year built
Range $894,247 – $1,033,651 · as of August 30, 2026
ATTOM automated valuation model · 54 published estimates over 6.7 years · shaded band is the model's own published low-to-high range
Highest reading $1,013,337 in January 2026; lowest $421,106 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$192,790
Estimated monthly payment
$6,340/mo
Loan amount $771,159. Estimate only — your actual rate and payment depend on credit, location, and lender.
2025 roll
School ratings (A+ to F) from HJN community data.
Chatham Elementary School
PK-4 · Regular · Monomoy Regional School District
146 students · 8.0:1 student–teacher
Monomoy Regional Middle School
5-7 · Regular · Monomoy Regional School District
395 students · 9.8:1 student–teacher
Cape Cod Lighthouse Charter School
6-8 · Regular · Cape Cod Lighthouse Charter
251 students · 11.8:1 student–teacher
Cape Cod & Islands Association of REALTORS
MLS Property Information Network (MLS PIN)Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.
New12
$995,000
2 bd · 1 ba · 710 sqft
20 Cedar Swamp Lane, Chatham, MA
Ellen Valentgas · Sotheby's International Realty · on 2 MLSs
Price Reduced42$875,000
3 bd · 2 ba · 1,820 sqft
800 Riverview Drive, Chatham, MA
Shane K Masaschi · Compass · on 2 MLSs
42$849,900
3 bd · 2 ba · 2,000 sqft
25 Partridge Path, Chatham, MA
Cape Island Estates Group · Christie's International Real Estate Atlantic Brokerage · on 2 MLSs
Price Reduced61$829,000
3 bd · 2 ba · 1,192 sqft
33 Duck Marsh Lane, Chatham, MA
Darci A Sequin · Gibson Sotheby's International Realty · on 2 MLSs
Price Reduced38$1,195,000
3 bd · 2 ba · 2,176 sqft
35 Duncan Lane, Chatham, MA
John Habeeb · Alliance Realty Advisors, Inc.
33$870,000
3 bd · 2 ba · 1,896 sqft
304 Round Cove Rd, Chatham, MA
Kimberly Arena · Venture





Rings at ½ mile and 1 mile. Basemap © OpenMapTiles © OpenStreetMap contributors.
Open the Chatham camera map1 CCTV camera mapped within ½ mile of this home. Nearest: 0.4 mi south.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| CCTV cameras | 1 | 1 |
Community-reported via OpenStreetMap; may be incomplete. Data as of . © OpenStreetMap contributors (ODbL)
CCTV cameras are fixed video cameras that record a street, building or other area.
Within 2 miles of this home: 39+ restaurants and cafés, 1 grocery store, 27+ parks and green spaces, and 2 transit stops.
Place data from OpenStreetMap.
Chatham Fish & Chips
Chatham Filling Station
Lily's Diner
Public Cafe
Carmine’s
Pizza Shark
Viera On Main
Captain's Table
Chatham Village Market
Doggans Pond Parcel
Off Old Harbor Road / Patten Lane Parcel
Veterans' Park
Nickerson Park
Off Bearses Byway
Josiah Mayo House
Queen Anne Road / Oyster Pond
Kate Gould Park
Chatham - Rotary
Chatham - Anchorage/Crowell Rd