11 Knoll St, Riverside, CT 06878 Property Records

Greenwich Town property record for 11 Knoll St, Riverside, CT 06878

Property Summary

Property Type	Single Family Home
Details	6 bd · 8.5 ba · 6,124 sqft · built 2013
Lot Size	0.51 acres (22,216 sqft)
Owner	2 Individual Names on Record
Tax Bill	$40,905 (2025)
Deeds & Mortgages	Oct 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`05-1603S`

Property Details

APN / Parcel Number

Primary APN	`05-1603S`
Alternative APNs	`GREE M:05 B:1603/S` `409/149`

Interior

Bedrooms	6 Beds
Full Baths	8.5 Baths
Half Baths	3 Half Baths
Total Rooms	14 Rooms
Stories	2 Stories
Building Area	6,124 sqft Living Area
Attic	Attic
Attic Area	600 sqft
Basement Area	2,487 sqft
Unfinished Basement	2,487 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2013
Effective Year Built	Effective 2013
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	22,216 sqft (0.51 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space
Pool Type	Pool with Hot Tub/Spa

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	409/149
Street Address	11 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	1603/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 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	11 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
Record Updated	Sep 20, 2026

October 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Oct 25, 2017
Property Address	11 KNOLL ST, RIVERSIDE, CT 06878-2110
Document Number	7309-160
Book / Page	007309 / 000160
Transaction Type	Transfer
Record Updated	Nov 14, 2017

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 KNOLL ST RIVERSIDE CT 068782110, RIVERSIDE, CT 06878-2110

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	$40,905.00	$3,309,740 (-) Land $1,319,990 Building $1,989,750	$2,316,818 Land $923,993 Building $1,392,825
2024	$40,905.00 (+6.21%)
2023	$38,512.00 (+0.92%)	$3,309,740 (-) Land $1,319,990 Building $1,989,750
2022	$38,161.00	$3,309,740 Land $1,319,990 Building $1,989,750

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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