9 Knoll St, Riverside, CT 06878 Property Records

Greenwich Town property record for 9 Knoll St, Riverside, CT 06878

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,903 sqft · built 1935
Lot Size	0.33 acres (14,375 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,730,000 (Jun 2020)
Tax Bill	$23,142 (2026)
Deeds & Mortgages	Jun 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`05-1324S`

Property Details

APN / Parcel Number

Primary APN	`05-1324S`
Alternative APNs	`GREE M:05 B:1324/S` `409/148`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,903 sqft Living Area
Attic	Attic
Attic Area	196 sqft
Basement Area	875 sqft
Unfinished Basement	875 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1935
Effective Year Built	Effective 1969
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	14,375 sqft (0.33 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	409/148
Street Address	9 KNOLL ST
City	RIVERSIDE
State	CT
Zip	06878-2110
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	1324/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	2
Census Block	2010
Census Tract	11100

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 Record	2 Individual Names on Record
Mailing Address	9 KNOLL ST, RIVERSIDE, CT 06878-2110
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 22, 2020 · Amount on Record
Deed Sale	Jun 22, 2020 · Amount on Record
Prior Sale	Sep 27, 2012 · Amount on Record
Deed Document Number	20204768
Deed Book / Page	7686 / 50
Record Updated	Oct 29, 2026

June 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Jun 22, 2020
Property Address	9 KNOLL ST, RIVERSIDE, CT 06878-2110
Document Number	7686-50
Book / Page	7686 / 50
Instrument Date	May 14, 2020
Instrument	4768
Transaction Type	Transfer
Record Updated	May 21, 2021

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

Mortgage

Document Number	4769
Date	Jun 22, 2020
Instrument	4769

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	2.25%
Type Change Date	Jul 1, 2030
Max Rate At Change	2.25%
Index	LIBOR

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
2026	$23,142.00 (+3.78%)	$2,207,380 (+22.34%) Land $1,248,590 Building $958,790	$4,570,335 (+261.87%)
2025	$22,299.00	$1,804,250 (-) Land $1,046,360 Building $757,890	$1,262,975 Land $732,452 Building $530,523
2024	$22,299.00 (+6.22%)
2023	$20,994.00 (+0.92%)	$1,804,250 (-) Land $1,046,360 Building $757,890
2022	$20,803.00	$1,804,250 Land $1,046,360 Building $757,890

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 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 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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