21 River Ave, Greenwich, CT 06830 Property Records

Greenwich Town property record for 21 River Ave, Greenwich, CT 06830

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,260 sqft · built 1944
Lot Size0.19 acres (8,276 sqft)
OwnerIndividual Name on File
Last Sale$615,000 (Aug 2020)
Tax Bill$5,110 (2026)
Deeds & MortgagesApr 2024 Refinance
Aug 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN04-2141S

Property Details

APN / Parcel Number

Primary APN04-2141S
Alternative APNs
  • GREE M:04 B:2141/S
  • 148/041

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories2 Stories
Building Area1,260 sqft Living Area
Basement Area320 sqft
Unfinished Basement320 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1944
Effective Year BuiltEffective 1970
Architectural StyleCape Cod
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area8,276 sqft (0.19 acres)
Garage TypeAttached
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number148/041
Street Address21 RIVER AVE
CityGREENWICH
StateCT
Zip06830-6921
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-6
Legal Block2141/S
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group1
Census Block1009
Census Tract11300

Owner

21 River Ave is owned and occupied by an individual who bought it in August 2020.

Source: Greenwich Town records, as of October 21, 2026

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

Owner of RecordIndividual Name on File
Mailing Address21 RIVER AVE, GREENWICH, CT 06830-6921
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Apr 12, 2024Deed of Trust, Mortgage · Stand-Alone Refinance
BANK OF AMERICA NA
Aug 31, 2020Warranty Deed, Transfer · Stand-Alone First Mortgage
TOTAL MORTGAGE SERVICES LLC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 31, 2020 · Amount on File
Deed SaleAug 31, 2020 · Amount on File
Deed Document Number20207539
Deed Book / Page7729 / 114
Record UpdatedOct 29, 2026

April 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionGREENWICH CT
Property Address21 RIVER AVE, GREENWICH, CT 06830-6921
Transaction TypeMortgage
Record UpdatedApr 25, 2024

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0008314-22
DateApr 12, 2024
Book Page8314/22
Instrument1790
Lender
NameBANK OF AMERICA NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount on Record
Term361 Months
DueMay 1, 2054

August 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionGREENWICH CT
Recording DateAug 31, 2020
Property Address21 RIVER AVE, GREENWICH, CT 06830-6921
Document Number7729-114
Book / Page7729 / 114
Instrument DateAug 26, 2020
Instrument7539
Transaction TypeTransfer
Record UpdatedMay 21, 2021

Transaction

AmountAmount on Record
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
Address68 WEAVER ST, GREENWICH, CT 06831-5134

Mortgage

Document Number7540
DateAug 31, 2020
Instrument7540
Lender
NameTOTAL MORTGAGE SERVICES LLC
TypeMortgage Company
Agreement
TypeStand-Alone First Mortgage
AmountAmount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 21 River Ave was $5,110, down 0.7% from the year before.

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$5,110.00 (-0.74%)$487,410 (+17.03%) Land $363,930 Building $123,480$946,371 (+224.6%)
2025$5,148.00$416,500 Land $334,810 Building $81,690$291,550 Land $234,367 Building $57,183
2024$5,148.00 (+6.23%)
2023$4,846.00 (+1.3%)$416,500 (+0.37%) Land $334,810 Building $81,690
2022$4,784.00$414,960 Land $334,810 Building $80,150

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

Flood

FEMA maps place 21 River Ave in Zone X, an area of minimal flood risk.

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

Wildfire risk around 21 River Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 94% of the US · lower than 90% of Connecticut
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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 320 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
2,300 / 2,300
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

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