400 E Putnam Ave, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 400 E Putnam Ave, Cos Cob, CT 06807 · Last verified July 2026

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	590 sqft · built 1927
Lot Size	0.16 acres (6,970 sqft)
Owner	Company Name on File
Last Sale	$1,250,000 (Jul 2019)
Tax Bill	$12,969 (2025)
Deeds & Mortgages	Jul 2019 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`08-1844S`

Property Details

APN / Parcel Number

Primary APN	`08-1844S`
Alternative APNs	`GREE M:08 B:1844/S` `366/112`

Interior

Total Rooms	3 Rooms
Units	3 Units
Stories	2 Stories
Building Area	590 sqft Total Area
Basement Area	352 sqft
Unfinished Basement	352 sqft

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1927
Construction Type	Frame
Lot Area	6,970 sqft (0.16 acres)
Deck Area	Deck Area
Total Buildings	2 Buildings

Location & Zoning

Account Number	366/112
Street Address	400 E PUTNAM AVE
City	COS COB
State	CT
Zip	06807-2631
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Legal Block	1844/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1002
Census Tract	10800

Owner

Source: Greenwich Town records · APN 08-1844S

Assessment roll updated June 25, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	400 E PUTNAM AVE, GREENWICH, CT 06830-4804
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jul 02, 2019 · Amount on Record
Deed Sale	Jul 02, 2019 · Amount on Record
Deed Document Number	20194717
Deed Book / Page	7526 / 238
Record Updated	Sep 20, 2026

July 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Jul 02, 2019
Property Address	400 E PUTNAM AVE, COS COB, CT 06807-2631
Document Number	007526-238
Book / Page	7526 / 238
Instrument Date	Jul 01, 2019
Instrument	4717
Transaction Type	Transfer
Record Updated	May 10, 2022

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000004718
Date	Jul 02, 2019
Instrument	4718

Lender

Name	FIELDPOINT PRIVATE BANK & TRUST

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Interest

Type Change Date	Aug 01, 2026

Tax Assessment & Valuation

Source: Greenwich Town records · Assessment roll updated June 25, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Greenwich Town
Unified School District	Greenwich School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$12,969.00	$1,049,370 (-) Land $569,520 Building $479,850	$734,559 Land $398,664 Building $335,895
2024	$12,969.00 (+6.22%)
2023	$12,210.00 (+0.92%)	$1,049,370 (-) Land $569,520 Building $479,850
2022	$12,099.00	$1,049,370 Land $569,520 Building $479,850

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, County delivery 09001C, updated November 28, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Moderate
500-Year Floodplain	Yes
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 288 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Optimum Communications	Fiber	8,000 / 8,000
Verizon	Fiber	980 / 880
Optimum Communications	Cable	940 / 35
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: T-Mobile USA, Verizon, Frontier. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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