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 1/23/2026.
Parcel Information
Location:
136 SOUTH AVE
Property Use:
Residential
Primary Use:
Residential
Unique ID:
16267
Map Block Lot:
N 64 96
Acres:
0.2700
490 Acres:
0.00
Zone:
BRES
Volume / Page:
1107/1028
Developers Map / Lot:
Census:
00351
Value Information
Appraised Value
Assessed Value
Land
1,012,000
708,400
Buildings
1,047,900
733,530
Detached Outbuildings
0
0
Total
2,059,900
1,441,930
Owner's Information
Owner's Data
MARSHALL MARK
MARSHALL MAURA
136 SOUTH AVE
NEW CANAAN, CT 06840
Building 1
Building Use:
Single Family
Style:
Colonial
Living Area:
3,892
Stories:
2.00
Construction:
Wood Frame
Year Built:
1983
Total Rooms:
11
Bedrooms:
6
Full Baths:
3
Half Baths:
2
Fireplaces:
0
Heating:
Forced Hot Air
Fuel:
Natural Gas
Cooling Percent:
100
Basement Area:
960
Basement Finished Area:
0
Basement Garages:
0
Roof Material:
Asphalt
Siding:
Clapboards
Units:
Special Features
Fin bsmt average
710
Fireplace
1
Gross Basement Area
960
Attached Components
Type:
Year Built:
Area:
Frame Garage
2022
506
Owner History - Sales
Owner Name
Volume
Page
Sale Date
Deed Type
Sale Price
MARSHALL MARK
1107
1028
11/25/2025
War Surv
$3,207,160
TARNUZZER MARK PATRICK
1043
0342
06/24/2021
Probate
$0
TARNUZZER MARK PATRICK
1043
0341
06/24/2021
Probate
$0
TARNUZZER MARK PATRICK
1041
0424
06/01/2021
War Surv
$1,290,000
BEHAN THOMAS R - ESTATE OF
1021
0974
08/24/2020
Death Certificate
$0
BEHAN THOMAS R
0268
0519
06/09/1981
Warranty Deed
$100,500
UNITED METHODIST CHURCH OF NEW CANAAN
0267
0454
05/06/1981
Certificate of Devise
$0
UNITED METHODIST CHURCH OF NEW CANAAN
0252
0152
02/13/1979
Executors Deed
$0
SMALLHORNE HAZEL A
0072
0014
04/27/1944
$0
Building Permits
Permit Number
Permit Type
Date Opened
Reason
22-01243
Solar
01/21/2023
ROOFTOP SOLAR
21-01135
Residential Addition
11/29/2021
ADDS/ALTS. NEW 2-CAR ATT GAR. ENLARGE KIT, NEW 2ND FLR ABOVE KIT & NEW GAR W/NEW STAIR. RENO EXIST 2
12299
Residential
05/11/1983
DEMO DWLG & GAR
12280
Residential
04/28/1983
DWLG
