6 Knoll St, Riverside, CT 06878 Property Records

Greenwich Town property record for 6 Knoll St, Riverside, CT 06878

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 3,272 sqft · built 1938
Lot Size	0.26 acres (11,326 sqft)
Owner	Trust Name on File
Last Sale	$2,625,000 (Apr 2021)
Tax Bill	$21,721 (2026)
Deeds & Mortgages	Apr 2021 Sale Apr 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`05-1866S`

Property Details

APN / Parcel Number

Primary APN	`05-1866S`
Alternative APNs	`GREE M:05 B:1866/S` `409/161`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	3,272 sqft Living Area
Basement Area	1,642 sqft
Unfinished Basement	1,642 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1969
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	11,326 sqft (0.26 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Oil

Location & Zoning

Account Number	409/161
Street Address	6 KNOLL ST
City	RIVERSIDE
State	CT
Zip	06878-2111
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	1866/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	2
Census Block	2011
Census Tract	11100

Owner

6 Knoll St is owner-occupied and held in a trust since April 2021.

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

Owner of Record	Trust Name on File
Mailing Address	6 KNOLL ST, RIVERSIDE, CT 06878-2111
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Date	Document
Apr 19, 2021	Warranty Deed, Transfer
Apr 5, 2019	Deed of Trust, Mortgage · ARM JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 19, 2021 · Amount on File
Deed Sale	Apr 19, 2021 · Amount on File
Prior Sale	Aug 2, 1994 · Amount on File
Deed Document Number	20214042
Deed Book / Page	7870 / 170
Transfer Doc	6394-96
Record Updated	Oct 29, 2026

April 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Apr 19, 2021
Property Address	6 KNOLL ST, RIVERSIDE, CT 06878-2111
Document Number	7870-170
Book / Page	7870 / 170
Instrument Date	Apr 13, 2021
Instrument	4042
Transaction Type	Transfer
Record Updated	May 21, 2021

Transaction

Amount	Amount 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

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	6 KNOLL ST, RIVERSIDE, CT 06878-2111
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7493-128
Date	Apr 5, 2019
Book Page	7493/128
Instrument	2073

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	May 1, 2049

Interest

Rate Type	Adjustable Rate
Type Change Date	Apr 1, 2024

Tax Assessment & Valuation

The 2026 property tax bill for 6 Knoll St was $21,721, up 4.5% from the year before.

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
2026	$21,721.00 (+4.54%)	$2,071,860 (+23.24%) Land $1,163,120 Building $908,740	$3,942,613 (+235.03%)
2025	$20,777.00	$1,681,120 Land $929,810 Building $751,310	$1,176,784 Land $650,867 Building $525,917
2024	$20,777.00 (+6.21%)
2023	$19,562.00 (+12.98%)	$1,681,120 (+11.95%) Land $929,810 Building $751,310
2022	$17,315.00	$1,501,710 Land $929,810 Building $571,900

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

Flood

FEMA maps place 6 Knoll St 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 6 Knoll St 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 Risk	Low lower than 96% of the US · lower than 94% of Connecticut
Wildfire Likelihood	Under 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 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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