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231 Hamilton Ave, Greenwich, CT 06830 Property Records

Greenwich Town property record for 231 Hamilton Ave, Greenwich, CT 06830

Property Summary

Property TypeDuplex
Details7 bd · 4 ba · 2,980 sqft · built 1927
Lot Size0.17 acres (7,405 sqft)
OwnerCompany Name on Record
Last Sale$940,000 (Jan 2022)
Tax Bill$10,664 (2026)
Deeds & MortgagesJun 2022 Transfer
Jan 2022 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN03-1581S

Property Details

APN / Parcel Number

Primary APN03-1581S
Alternative APNs
  • GREE M:03 B:1581/S
  • 215/059

Interior

Bedrooms7 Beds
Full Baths4 Baths
Total Rooms14 Rooms
Stories2 Stories
Building Area2,980 sqft Living Area
AtticAttic
Attic Area450 sqft
Basement Area992 sqft
Unfinished Basement992 sqft

Exterior

Year BuiltBuilt 1927
Effective Year BuiltEffective 1965
Architectural StyleDuplex Single
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area7,405 sqft (0.17 acres)
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number215/059
Street Address231 HAMILTON AVE
CityGREENWICH
StateCT
Zip06830-6168
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR-6
Legal Block1581/S
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group4
Census Block4002
Census Tract10500

Owner

Source: Greenwich Town records, as of October 21, 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 Address231 HAMILTON AVE, GREENWICH, CT 06830-6168
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

DateDocument
Jun 3, 2022Quit Claim Deed, Transfer
Quitclaim
Jan 3, 2022Warranty Deed, Transfer · Stand-Alone First Mortgage
CITIZENS BANK

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 3, 2022 · Amount on Record
Deed SaleJan 3, 2022 · Amount on Record
Prior SaleJan 7, 2000 · Amount on Record
Deed Document Number202250
Deed Book / Page8038 / 184
Last Transfer DateJun 2, 2022
Transfer Doc008116-232
Record UpdatedOct 29, 2026

June 2022: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionGREENWICH CT
Recording DateJun 3, 2022
Property Address231 HAMILTON AVE, GREENWICH, CT 06830-6168
Document Number008116-232
Book / Page8116 / 232
Instrument DateJun 2, 2022
Instrument4958
Transaction TypeTransfer
Record UpdatedJun 16, 2022

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

January 2022: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionGREENWICH CT
Recording DateJan 3, 2022
Property Address231 HAMILTON AVE, GREENWICH, CT 06830-6168
Document Number008038-184
Book / Page8038 / 184
Instrument DateDec 30, 2021
Instrument50
Transaction TypeTransfer
Record UpdatedNov 20, 2025

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
Address7 W ELM ST, GREENWICH, CT 06830-6413

Mortgage

Document Number0000000051
DateJan 3, 2022
Instrument51
Lender
NameCITIZENS BANK
TypeBank
Agreement
TypeStand-Alone First Mortgage
AmountAmount Recorded

Tax Assessment & Valuation

Source: Greenwich Town assessment roll, as of June 25, 2026

Property Jurisdictions

TypeName
StateConnecticut
County SubdivisionGreenwich Town
Unified School DistrictGreenwich School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$10,664.00 (+17.24%)$1,017,170 (+38.21%) Land $347,830 Building $669,340$1,378,603 (+167.59%)
2025$9,096.00$735,980 (+24.43%) Land $298,130 Building $437,850$515,186 Land $208,691 Building $306,495
2024$9,096.00 (+32.15%)
2023$6,883.00 (+19.93%)$591,500 (+18.83%) Land $298,130 Building $293,370
2022$5,739.00$497,770 Land $298,130 Building $199,640

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

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 RiskNot rated
no burnable land 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 492 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable		8,000 / 8,000
Verizon
Fiber · Fixed Wireless in parts of the area		980 / 880
Starlink
Satellite		280 / 30
T-Mobile
Fixed Wireless		100 / 20

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