259 Knickerbocker Ave, Stamford, CT 06907 Property Records

Stamford City property record for 259 Knickerbocker Ave, Stamford, CT 06907

Property Summary

Property TypeDuplex
Details4 bd · 2 ba · 1,964 sqft · built 1930
Lot Size0.211 acres (9,183 sqft)
OwnerCompany Name on Record
Last Sale$810,000 (Mar 2025)
Tax Bill$10,818 (2025)
Deeds & MortgagesApr 2026 Transfer
Mar 2025 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN1-3901

Property Details

APN / Parcel Number

Primary APN1-3901
Alternative APNs
  • STAM M:001 B:3901
  • 001-3901

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Units2 Units
Stories2 Stories
Building Area1,964 sqft Living Area
Gross Area4,381 sqft
1st Floor Area982 sqft
AtticAttic
Attic Area962 sqft
Basement Area962 sqft
Unfinished Basement962 sqft

Exterior

Year BuiltBuilt 1930
Effective Year BuiltEffective 1950
Architectural StyleOther
Exterior MaterialAluminum/Vinyl
Roof TypeGable
Roof MaterialAsphalt
Lot Area9,183 sqft (0.211 acres)
Garage TypeBasement
Parking Spaces2 Parking Spaces
Deck AreaDeck Area

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelGas

Location & Zoning

Account Number1-3901
Street Address259 KNICKERBOCKER AVE
CitySTAMFORD
StateCT
Zip06907-2009
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR75
Legal Block3901
JurisdictionSTAMFORD CT
Township / Civil DivisionSTAMFORD
Census Block Group2
Census Block2005
Census Tract20900

Owner

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

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

Owner of RecordCompany Name on Record
Mailing Address518 HOYT ST, DARIEN, CT 06820-2014
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

DateDocument
Apr 28, 2026Quit Claim Deed, Transfer
Quitclaim
Mar 26, 2025Warranty Deed, Transfer · ARM
KEY BANK NA

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 26, 2025 · Amount on Record
Deed SaleMar 26, 2025 · Amount on Record
Prior SaleMay 18, 1994 · Amount on Record
Deed Book / Page13483 / 321
Last Transfer DateMar 31, 2026
Transfer Doc013698-285
Record UpdatedSep 20, 2026

April 2026: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSTAMFORD CT
Recording DateApr 28, 2026
Property Address259 KNICKERBOCKER AVE, STAMFORD, CT 06907-2009
Document Number013698-285
Book / Page13698 / 285
Instrument DateMar 31, 2026
Instrument20264918
Transaction TypeTransfer
Record UpdatedAug 28, 2026

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address518 HOYT ST, DARIEN, CT 06820-2014

March 2025: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionSTAMFORD CT
Recording DateMar 26, 2025
Property Address259 KNICKERBOCKER AVE, STAMFORD, CT 06907-2009
Document Number013483-321
Book / Page13483 / 321
Instrument DateMar 21, 2025
Instrument2025003682
Transaction TypeTransfer
Record UpdatedMar 13, 2026

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address518 HOYT ST, DARIEN, CT 06820-2014

Mortgage

Document Number2025003683
DateMar 26, 2025
Instrument2025003683
Lender
NameKEY BANK NA
TypeBank
Agreement
TypeARM
AmountAmount Recorded
Term361 Months
DueApr 1, 2055
Interest
Rate TypeAdjustable Rate
Rate7.13%
Type Change DateApr 1, 2030
IndexOther
Margin3

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateConnecticut
County Subdivision / MunicipalityStamford City
Unified School DistrictStamford School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$10,818.00$457,240 (-) Land $244,620 Building $212,620$320,068 Land $171,234 Building $148,834
2024$10,818.00 (-4.83%)
2023$11,367.00 (+22.06%)$457,240 (+31.29%) Land $244,620 Building $212,620
2022$9,313.00$348,270 Land $184,120 Building $164,150

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

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

Wildfire RiskLow
lower than 80% of the US · above 55% of Connecticut
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within 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 SystemAQUARION-EASTERN FAIRFIELD COUNTY
private · serves 351,756 people · EPA ID CT0150011
Water SourceSurface water
Last State InspectionJun 2025
LeadUnder 1 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting24
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 507 locations within half a mile, as of December 31, 2025

ProviderMax 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
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

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