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 12/5/2025.
Property Summary Information
Parcel Data And Values
Building
Building 1
Building 2
Outbuildings
Sales
Permits
Parcel Information
Location:
637 VALLEY RD
Property Use:
Residential
Primary Use:
Residential
Unique ID:
14357
Map Block Lot:
45 227 27
Acres:
4.7580
490 Acres:
0.00
Zone:
2AC
Volume / Page:
1104/ 757
Developers Map / Lot:
2363,7817
Census:
00354
Value Information
Appraised Value
Assessed Value
Land
1,235,200
864,640
Buildings
4,111,700
2,878,190
Detached Outbuildings
105,500
73,850
Total
5,452,400
3,816,680
Owner's Information
Owner's Data
637 VALLEY ROAD NC LLC
637 VALLEY RD
NEW CANAAN, CT 06840
Building 1
Building Use:
Single Family
Style:
Custom Design
Living Area:
12,070
Stories:
2.00
Construction:
Wood Frame
Year Built:
1949
Total Rooms:
17
Bedrooms:
6
Full Baths:
6
Half Baths:
2
Fireplaces:
0
Heating:
Forced Hot Air
Fuel:
Oil
Cooling Percent:
100
Basement Area:
2,038
Basement Finished Area:
0
Basement Garages:
0
Roof Material:
Slate
Siding:
Clapboards/Stone
Units:
Special Features
Fireplace
2
Gas Fireplace
4
Gross Basement Area
2038
Attached Components
Type:
Year Built:
Area:
Cathedral
1949
126
Cathedral
1949
140
Cathedral
1949
290
Wood Deck
1949
338
Frame Garage
1949
1,102
Frame Garage
1949
706
Flagstone Patio
1949
607
Flagstone Patio
1949
1,528
Open Porch
1949
348
Open Porch
1949
125
Open Porch
1949
85
Open Porch
1949
162
Unfinished Attic
1949
1,272
Unfinished Attic
1949
2,038
Building 2
Building Use:
Single Family
Style:
Cottage
Living Area:
680
Stories:
1.25
Construction:
Wood Frame
Year Built:
1963
Total Rooms:
4
Bedrooms:
1
Full Baths:
1
Half Baths:
1
Fireplaces:
0
Heating:
Forced Hot Air
Fuel:
Oil
Cooling Percent:
100
Basement Area:
0
Basement Finished Area:
0
Basement Garages:
0
Roof Material:
Asphalt
Siding:
Clapboards
Units:
Special Features
Fireplace
1
Attached Components
Type:
Year Built:
Area:
Frame Garage
1963
624
Flagstone Patio
1963
108
Open Porch
1963
144
Unfinished Attic
1963
680
Unfinished Attic
1963
624
Utility Storage
1963
54
Detached Outbuildings
Type:
Year Built:
Length:
Width:
Area:
Garage Poor
1998
0.00
0.00
1,140
Flagstone Patio
2018
20.00
54.00
1,080
Frame Shed
1995
0.00
0.00
128
Owner History - Sales
Owner Name
Volume
Page
Sale Date
Deed Type
Sale Price
637 VALLEY ROAD NC LLC
1104
0757
09/04/2025
Warranty Deed
$3,850,000
DARNALL THEODORE
0953
0814
04/15/2016
Warranty Deed
$3,587,500
ZANG MICHAEL Y
0892
0750
02/26/2013
$2,100,000
US BANK NATIONAL ASSOCIATION, S TRUSTEE
0872
0809
05/14/2012
Other
$0
MCCONNAUGHY JOHN E JR
0501
0042
10/01/1998
Warranty Deed
$0
Building Permits
Permit Number
Permit Type
Date Opened
Reason
GBP-25-59
Residential
07/03/2025
ABANDON ONE 550 GALLON UNDERGROUND OIL STORAGE TANK FROM FRONT OF COTTAGE
05-0352
Addition
05/20/2005
ADDITION AND RENO
1798-0027
Garage
08/07/1996
NEW 3 CAR GARAGE - E
1795-0027
Pool
07/24/1996
RENOVATE POOL
1737
Addition
05/30/1995
ONE STORY ADDITION
1737A
Addition
05/30/1995
REBUILD PADDLEBALL C
GIS Map
Google Map
Unique Id:
Location:
MBL:
Primary Use:
Zone:
Acres:
Appraised Value:
Assessed Value:
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