21856 Duncan Rd, Monte Rio, CA 95462 Property Records

Sonoma County property record for 21856 Duncan Rd, Monte Rio, CA 95462

Property Summary

Property TypeResidential Vacant Land
Lot Size0.163 acres (7,110 sqft)
OwnerIndividual Name on File
Flood ZoneZone X (minimal risk)
APN094-027-001-000

Property Details

APN / Parcel Number

Primary APN094-027-001-000
Alternative APN
  • 094-027-001

Exterior

Lot Area7,110 sqft (0.163 acres)

Location & Zoning

Old Parcel Number094-027-001
Street Address21856 DUNCAN RD
CityMONTE RIO
StateCA
Zip95462-9706
Property CategoryResidential
Property TypeVacant Land > Residential
Local Zoning CodeRR1
Legal DescriptionUNINCORP COUNTY CA
Legal Block2
JurisdictionSONOMA CA
Township / Civil DivisionRUSSIAN RIVER-SONOMA COAST
Census Block Group2
Census Block2012
Census Tract153707

Owner

Source: Sonoma County assessment roll, as of April 13, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Mailing Address27 IVY HOME RD, HAMPTON, VA 23669-4546
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of April 13, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
Secondary School DistrictWest Sonoma County Union High School District (09 - 12)
Elementary School DistrictMonte Rio Union Elementary School District (KG - 08)

Tax Bill & Assessment History

YearAssessed Value
2025$472 (-) Land $472
2023$472 Land $472

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 30 policies
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies30 in force
Nearby Flood Claims13 (1995–2025)
Most Recent ClaimFeb 2025 · river or lake flooding
Claims by Event
  • Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 6 claims
  • Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 2 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 62% of the US · lower than 77% of California
Wildfire Likelihood0.07% annual chance
ExposureDirect
burnable vegetation at the parcel

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSWEETWATER SPRINGS CWD - MONTE RIO
serves 3,531 people · EPA ID CA4910028
Water SourceGroundwater
Last State InspectionOct 2021
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 49 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
1,200 / 35

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Duncan Rd

Nearby Streets

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