21 Perna Ln, Riverside, CT 06878 Property Records

Greenwich Town property record for 21 Perna Ln, Riverside, CT 06878

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,066 sqft · built 1954
Lot Size0.23 acres (10,019 sqft)
OwnerIndividual Name on Record
Last Sale$600,000 (Apr 2011)
Tax Bill$9,580 (2026)
Flood ZoneZone X (minimal risk)
APN12-1875S

Property Details

APN / Parcel Number

Primary APN12-1875S
Alternative APNs
  • GREE M:12 B:1875/S
  • 405/035

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms9 Rooms
Stories2 Stories
Building Area2,066 sqft Living Area
Basement Area866 sqft
Unfinished Basement866 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1970
Architectural StyleCape Cod
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area10,019 sqft (0.23 acres)
Garage TypeDetached
Parking Spaces1 Parking Space
Pool TypePool with Hot Tub/Spa

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHot Water
Heating FuelGas

Location & Zoning

Account Number405/035
Street Address21 PERNA LN
CityRIVERSIDE
StateCT
Zip06878-1401
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-7
Legal Block1875/S
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group2
Census Block2004
Census Tract10900

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 RecordIndividual Name on Record
Mailing Address21 PERNA LN, RIVERSIDE, CT 06878-1401
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 18, 2011 · Amount on Record
Deed SaleApr 18, 2011 · Amount on Record
Prior SaleJul 23, 2010
Deed Book / Page6133 / 27
Transfer Doc5982-326
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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$9,580.00 (+14.81%)$913,780 (+35.34%) Land $607,250 Building $306,530$1,428,073 (+202.17%)
2025$8,344.00$675,150 (-) Land $485,940 Building $189,210$472,605 Land $340,158 Building $132,447
2024$8,344.00 (+6.21%)
2023$7,856.00 (+0.92%)$675,150 (-) Land $485,940 Building $189,210
2022$7,784.00$675,150 Land $485,940 Building $189,210

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 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

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

Wildfire RiskNot rated
no burnable land within 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 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 387 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Frontier
Fiber
5,000 / 5,000
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T, Verizon.

Nearby Properties on Perna Ln

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