258 Riverside Ave, Riverside, CT 06878 Property Records

Greenwich Town property record for 258 Riverside Ave, Riverside, CT 06878

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,647 sqft · built 1932
Lot Size	0.58 acres (25,265 sqft)
Owner	2 Individual Names on Record
Last Sale	$3,880,500 (Oct 2025)
Tax Bill	$20,869 (2025)
Deeds & Mortgages	May 2022 Refinance Mar 2022 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`05-2527S`

Property Details

APN / Parcel Number

Primary APN	`05-2527S`
Alternative APNs	`GREE M:05 B:2527/S` `409/112`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,647 sqft Living Area
Basement Area	242 sqft
Unfinished Basement	242 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1932
Effective Year Built	Effective 1960
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	25,265 sqft (0.58 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	409/112
Street Address	258 RIVERSIDE AVE
City	RIVERSIDE
State	CT
Zip	06878-2315
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	2527/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	3
Census Block	3009
Census Tract	11100

Owner

Source: Greenwich Town 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 Record	2 Individual Names on Record
Mailing Address	258 RIVERSIDE AVE, RIVERSIDE, CT 06878-2315
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants with Right of Survivorship

Deeds, Mortgages & Sale History

Date	Document
May 10, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance CITIZENS BANK
Mar 8, 2022	Deed of Trust, Mortgage · ARM WEBSTER BANK
Oct 30, 2025	Warranty Deed, Transfer PROSPERITY HOME MORTGAGE LLC
Feb 4, 2025	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 30, 2025 · Amount on Record
Deed Sale	Oct 30, 2025 · Amount on Record
Prior Sale	Aug 3, 1992 · Amount on Record
Deed Document Number	20256448
Deed Book / Page	8495 / 332
Prior Transfer Date	Jan 28, 2025
Prior Transfer Doc	008405-203
Record Updated	Sep 20, 2026

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	258 RIVERSIDE AVE, RIVERSIDE, CT 06878-2315
Transaction Type	Mortgage
Record Updated	Mar 31, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	008105-132
Date	May 10, 2022
Book Page	8105/132
Instrument	4233

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2052

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	258 RIVERSIDE AVE, RIVERSIDE, CT 06878-2315
Transaction Type	Mortgage
Record Updated	Mar 31, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0008072-36
Date	Mar 8, 2022
Book Page	8072/36
Instrument	2161

Lender

Name	WEBSTER BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	2.63%
Type Change Date	Apr 1, 2032
Index	Other

October 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Oct 30, 2025
Property Address	258 RIVERSIDE AVE, RIVERSIDE, CT 06878-2315
Document Number	008495-332
Book / Page	8495 / 332
Instrument Date	Oct 30, 2025
Instrument	6448
Transaction Type	Transfer
Record Updated	Mar 31, 2026

Transaction

Amount	Amount Recorded
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 with Right of Survivorship

Mortgage

Document Number	0000006449
Date	Oct 30, 2025
Instrument	6449

Lender

Name	PROSPERITY HOME MORTGAGE LLC

Agreement

Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2055

February 2025: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	GREENWICH CT
Recording Date	Feb 4, 2025
Property Address	258 RIVERSIDE AVE, RIVERSIDE, CT 06878-2315
Document Number	008405-203
Book / Page	8405 / 203
Instrument Date	Jan 28, 2025
Instrument	571
Transaction Type	Transfer
Record Updated	Nov 12, 2025

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	258 RIVERSIDE AVE, RIVERSIDE, CT 06878-2315

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$20,869.00	$1,688,540 (-) Land $1,286,810 Building $401,730	$1,181,978 Land $900,767 Building $281,211
2024	$20,869.00 (+6.21%)
2023	$19,648.00 (+0.92%)	$1,688,540 (-) Land $1,286,810 Building $401,730
2022	$19,469.00	$1,688,540 Land $1,286,810 Building $401,730

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 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

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

Wildfire Risk	Low lower than 97% of the US · lower than 95% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct 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 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 354 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Frontier Fiber	5,000 / 5,000
Verizon Fixed Wireless	300 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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