The Assessor’s office is responsible for the maintenance of records on the ownership of properties. Assessments are computed at 70% of the estimated market value of real property at the time of the last revaluation which was 2023.
Information on the Property Records for the Municipality of New Canaan was last updated on 8/29/2025.
Property Summary Information
Parcel Data And Values
Building
Building 1
Outbuildings
Sales
Permits
Parcel Information
Location:
172 SUMMER ST 172D
Property Use:
Residential
Primary Use:
Condominium
Unique ID:
16371
Map Block Lot:
N 80 642 172D
Acres:
0.0000
490 Acres:
0.00
Zone:
600
Volume / Page:
1102/ 484
Developers Map / Lot:
5347
Census:
00351
Value Information
Appraised Value
Assessed Value
Land
0
0
Buildings
717,800
502,460
Detached Outbuildings
1,600
1,120
Total
719,400
503,580
Owner's Information
Owner's Data
RASSO WILLIAM
172 SUMMER ST-#172D
NEW CANAAN, CT 06840
Building 1
Complex:
Essex Ridge
Model:
Townhouse
Style:
Condominium
Use:
Condominium
Total Living Area:
1,494
Stories:
2.00
Year Built:
1970
Total Rooms:
7
Bedrooms:
4
Full Baths:
3
Half Baths:
1
Fireplaces:
0
Heating:
Electric Baseboard
Fuel:
Electric
Cooling Percent:
100
Basement Area:
738
Basement Finished Area:
0
Basement Garages:
0
Condo Location:
Unit Location:
End Unit
Parking Type:
Parking Distance:
0
Special Features
Fin Bsmt
638
Gross Basement Area
738
Attached Components
Detached Outbuildings
Type:
Year Built:
Length:
Width:
Area:
Wood Deck Detached
1970
180.00
0.00
180
Owner History - Sales
Owner Name
Volume
Page
Sale Date
Deed Type
Sale Price
RASSO WILLIAM
1102
0484
07/15/2025
Warranty Deed
$1,050,000
BAULAN FEDERICO
1076
0937
05/17/2023
Executors Deed
$840,000
BAYLOR MARGARET B - ESTATE OF
1076
0936
05/17/2023
Probate
$0
BAYLOR MARGARET B - ESTATE OF
1073
0585
01/12/2023
Probate
$0
BAYLOR MARGARET B
0770
0870
07/06/2007
Warranty Deed
$685,000
COPPO PATRICIA A
0753
0357
10/12/2006
Death Certificate
$0
COPPO JOSEPH J
0543
0803
12/15/2000
Warranty Deed
$399,000
COFFIN-GRIGGS EVA
0460
0852
09/17/1996
Warranty Deed
$250,000
PARRETT KATHLEEN M
0379
0039
07/15/1991
Warranty Deed
$210,000
WITHAM BERTRAM H JR
0291
0558
06/20/1983
Warranty Deed
$127,000
SPENCE ANN SUSAN
0250
0373
10/05/1978
Warranty Deed
$110,000
MIKHAEL ETTA MAE
0246
0413
02/24/1978
Warranty Deed
$85,000
Building Permits
Permit Number
Permit Type
Date Opened
Reason
GBP-24-36
Miscellaneous
04/17/2024
ENLARGE WINDOW IN FIN BSMT
11-0978
Residential
10/13/2011
3 REPLACEMENT WINDOWS
1812-0642
Residential
10/31/1996
REMODEL INTERIOR
GIS Map
Google Map
Unique Id:
Location:
MBL:
Primary Use:
Zone:
Acres:
Appraised Value:
Assessed Value:
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