20 Knickerbocker Ave, Stamford, CT 06907 Property Records

Stamford City property record for 20 Knickerbocker Ave, Stamford, CT 06907

Property Summary

Property Type	Duplex
Details	5 bd · 2.5 ba · 2,402 sqft · built 1925
Lot Size	0.148 acres (6,443 sqft)
Owner	2 Individual Names on File
Last Sale	$600,000 (Aug 2022)
Tax Bill	$11,207 (2025)
Deeds & Mortgages	Aug 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1-7904`

Property Details

APN / Parcel Number

Primary APN	`1-7904`
Alternative APNs	`STAM M:001 B:7904` `001-7904`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Units	2 Units
Stories	2 Stories
Building Area	2,402 sqft Living Area
Gross Area	3,537 sqft
1st Floor Area	1,456 sqft
Basement Area	1,009 sqft
Unfinished Basement	1,009 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1955
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Roof Type	Gable
Roof Material	Asphalt
Lot Area	6,443 sqft (0.148 acres)
Deck Area	Deck Area

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	1-7904
Street Address	20 KNICKERBOCKER AVE
City	STAMFORD
State	CT
Zip	06907-2516
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R75
Legal Block	7904
Jurisdiction	STAMFORD CT
Township / Civil Division	STAMFORD
Census Block Group	1
Census Block	1016
Census Tract	21000

Owner

20 Knickerbocker Ave, a duplex, is owned and occupied by two individuals who bought it in August 2022.

Source: Stamford City records, as of June 25, 2026

Owner of Record	2 Individual Names on File
Mailing Address	20 KNICKERBOCKER AVE, STAMFORD, CT 06907-2516
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 1, 2022 · Amount on File
Deed Sale	Aug 1, 2022 · Amount on File
Deed Document Number	202211820
Deed Book / Page	13040 / 172
Prior Transfer Date	Jul 27, 2022
Prior Transfer Doc	013040-172
Record Updated	Sep 20, 2026

August 2022: Executor's Deed, Transfer

Document Type	Executor's Deed
Jurisdiction	STAMFORD CT
Recording Date	Aug 1, 2022
Property Address	20 KNICKERBOCKER AVE, STAMFORD, CT 06907-2516
Document Number	013040-172
Book / Page	13040 / 172
Instrument Date	Jul 27, 2022
Instrument	2022011820
Transaction Type	Transfer
Record Updated	Nov 20, 2025

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
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
Relationship	Joint Tenants
Address	20 KNICKERBOCKER AVE, STAMFORD, CT 06907-2516

Mortgage

Document Number	2022011821
Date	Aug 1, 2022
Instrument	2022011821

Lender

Name	GUARANTEED RATE AFFINITY LLC

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 20 Knickerbocker Ave was $11,207.

Source: Stamford City assessment roll, as of June 25, 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision / Municipality	Stamford City
Unified School District	Stamford School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$11,207.00	$473,660 Land $222,220 Building $251,440	$331,562 Land $155,554 Building $176,008
2024	$11,207.00 (-4.82%)
2023	$11,775.00 (+22.96%)	$473,660 (+32.26%) Land $222,220 Building $251,440
2022	$9,576.00	$358,120 Land $167,240 Building $190,880

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

Flood

FEMA maps place 20 Knickerbocker Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective November 28, 2025

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Wildfire risk around 20 Knickerbocker Ave is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · above 55% of Connecticut
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	AQUARION-EASTERN FAIRFIELD COUNTY private · serves 351,756 people · EPA ID CT0150011
Water Source	Surface water
Last State Inspection	Jun 2025
Lead	Under 1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	24 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 469 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Frontier Fiber	7,000 / 7,000
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30

May also be available: T-Mobile.

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