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 1/4/2025.
Property Summary Information
Parcel Data And Values
Building
Building 1
Outbuildings
Sales
Permits
Parcel Information
Location:
583 SILVERMINE RD
Property Use:
Residential
Primary Use:
Residential
Unique ID:
14079
Map Block Lot:
44 109 157
Acres:
2.3800
490 Acres:
0.00
Zone:
2AC
Volume / Page:
1095/ 554
Developers Map / Lot:
5285, 5430
Census:
00354
Value Information
Appraised Value
Assessed Value
Land
960,500
672,350
Buildings
2,153,200
1,507,240
Detached Outbuildings
70,300
49,210
Total
3,184,000
2,228,800
Owner's Information
Owner's Data
MAZZOLINI AARON
MAZZOLINI NICOLE
583 SILVERMINE RD
NEW CANAAN, CT 06840
Building 1
Building Use:
Single Family
Style:
Colonial
Living Area:
6,567
Stories:
2.00
Construction:
Wood Frame
Year Built:
1969
Total Rooms:
10
Bedrooms:
5
Full Baths:
5
Half Baths:
1
Fireplaces:
0
Heating:
Hot Water
Fuel:
Oil
Cooling Percent:
100
Basement Area:
1,144
Basement Finished Area:
0
Basement Garages:
0
Roof Material:
Wood
Siding:
Clapboards
Units:
Special Features
Fin bsmt average
800
Finished Attic LA
500
Fireplace
5
Gross Basement Area
1144
Attached Components
Type:
Year Built:
Area:
Frame Garage
1969
528
Frame Garage
1969
288
Flagstone Patio
1969
168
Flagstone Patio
1969
661
Open Porch
1969
48
Open Porch
1969
32
Unfinished Attic
1969
1,144
Detached Outbuildings
Type:
Year Built:
Length:
Width:
Area:
Detached Patio
1969
0.00
0.00
648
Concrete Pool
1999
0.00
0.00
968
Owner History - Sales
Owner Name
Volume
Page
Sale Date
Deed Type
Sale Price
MAZZOLINI AARON
1095
0554
12/17/2024
War Surv
$4,295,000
INGERSOLL W BRETT
0690
1078
06/25/2004
Warranty Deed
$3,400,000
FLEMING DAVID W II
0513
0469
04/29/1999
Warranty Deed
$1,450,000
PHILLIPS JAMES G
0375
1180
04/18/1991
Warranty Deed
$893,750
GILL GEORGE K
0259
0911
06/30/1980
Warranty Deed
$300,000
HALLIGAN THOMAS W
0209
0487
08/07/1971
Warranty Deed
$126,000
Building Permits
Permit Number
Permit Type
Date Opened
Reason
11-0771
Residential
09/20/2011
ALTERATIONS
01-0192
Addition
03/29/2001
KITCH,FAM RM,FGR, MSTR BDRM
342000
Residential Demolition
09/04/2000
SUNROOM + PORCH
19536
Residential
06/15/1999
IG CONCRETE POOL
1815-0157
Addition
12/03/1996
Addition
1441
Residential
03/08/1988
BAY DOOR
GIS Map
Google Map
Unique Id:
Location:
MBL:
Primary Use:
Zone:
Acres:
Appraised Value:
Assessed Value:
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