21555 Duncan Rd, Monte Rio, CA 95462 Property Records

Sonoma County property record for 21555 Duncan Rd, Monte Rio, CA 95462

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 888 sqft · built 1940
Lot Size1.05 acres (46,173 sqft)
Owner2 Individual Names on File
Last Sale$175,000 (Oct 1996)
Tax Bill$3,541 (2025)
Deeds & MortgagesMar 2017 Mortgage
Aug 2019 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN094-040-004-000

Property Details

APN / Parcel Number

Primary APN094-040-004-000
Alternative APN
  • 094-040-004

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms2 Rooms
Stories1 Story
Building Area888 sqft Living Area
1st Floor Area888 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1940
Architectural StyleCustom Design
Construction TypeWood
Lot Area46,173 sqft

Utilities, Heating & Cooling

Cooling SystemNone

Location & Zoning

Old Parcel Number094-040-004
Street Address21555 DUNCAN RD
CityMONTE RIO
StateCA
Zip95462
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRRD160
Legal Description1973 FORM PT OF 94-040-01
Legal Block2
Legal Lot Number2
JurisdictionSONOMA CA
Township / Civil DivisionRUSSIAN RIVER-SONOMA COAST
Census Block Group2
Census Block2011
Census Tract153707

Owner

21555 Duncan Rd is owned and occupied by two individuals who bought it in October 1996.

Source: Sonoma County records, as of September 1, 2026

Owner of Record2 Individual Names on File
Mailing AddressPO BOX 543, MONTE RIO, CA 95462-0543
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

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

DateDocument
Mar 27, 2017Deed of Trust, Mortgage · VA Mortgage
STONEGATE MORTGAGE CORP
Aug 12, 2019Deed of Trust, Mortgage · VA Mortgage
UNITED WHOLESALE MORTGAGE
May 14, 2020Deed of Trust, Mortgage · VA Mortgage
LOANDEPOT.COM LLC
Nov 1, 2017Deed of Trust, Mortgage · VA Mortgage
CALIBER HM LOANS

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 2, 1996 · Amount on File
Deed SaleOct 2, 1996 · Amount on File
Deed Document Number199687632
Prior Transfer DateDec 2, 1994
Prior Transfer Doc0000137068
Record UpdatedOct 29, 2026

March 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address21555 DUNCAN RD, MONTE RIO, CA 95462
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFNT

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000023682
DateMar 27, 2017
Instrument2017023682
Lender
NameSTONEGATE MORTGAGE CORP
TypeMortgage Company
AddressINDIANAPOLIS, IN 46240
Agreement
TypeVA Mortgage
AmountAmount on Record
Term361 Months
DueApr 1, 2047

August 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address21555 DUNCAN RD, MONTE RIO, CA 95462
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanySOLIDIFI TITLE COMPANY OF CA

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000055658
DateAug 12, 2019
Instrument2019055658
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeVA Mortgage
AmountAmount on Record
Term360 Months
DueAug 1, 2049

May 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address21555 DUNCAN RD, MONTE RIO, CA 95462
Document Number0000037861
Instrument DateMay 14, 2020
Transaction TypeMortgage
Record UpdatedJun 2, 2020
Title CompanyFIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address21555 DUNCAN RD MONTE RIO CA 95462, MONTE RIO, CA 95462

Mortgage

Document Number0000037861
DateMay 19, 2020
Instrument37861
Lender
NameLOANDEPOT.COM LLC
TypeFunding / Finance Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeVA Mortgage
AmountAmount on Record
Term360 Months
DueMay 18, 2050

November 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address21555 DUNCAN RD, MONTE RIO, CA 95462
Document Number0000087475
Instrument DateNov 1, 2017
Transaction TypeMortgage
Record UpdatedDec 7, 2017
Title CompanyLINEAR TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address21555 DUNCAN RD MONTE RIO CA 95462, MONTE RIO, CA 95462

Mortgage

Document Number0000087475
DateNov 14, 2017
Instrument87475
Lender
NameCALIBER HM LOANS
TypeFunding / Finance Company
AddressIRVING, TX 75063
Agreement
TypeVA Mortgage
AmountAmount on Record
Term360 Months
DueNov 13, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 21555 Duncan Rd was $3,541 with a homeowner's exemption.

Source: Sonoma County assessment roll, as of September 1, 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

YearTax BillAssessed Value
2026$291,121 (+2%) Land $224,588 Building $66,533
2025$3,541.00 Homeowner's exemption$285,414 Land $220,185 Building $65,229
2023$3,382.00 (+2.18%) Homeowner's exemption$274,333 Land $211,636 Building $62,697
2022$3,310.00

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

Flood

FEMA maps place 21555 Duncan Rd in Zone X, an area of minimal flood risk, though there have been 13 flood claims nearby since 1995.

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
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
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

Wildfire risk around 21555 Duncan Rd is moderate, ranking above 48% of the US, with a 0.07% annual chance of wildfire.

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

Wildfire RiskModerate
above 48% of the US · lower than 71% of California
Wildfire Likelihood0.07% annual chance
ExposureDirect
burnable vegetation

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 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 and 4G LTE (outdoors only)

Nearby Properties on Duncan Rd

Nearby Streets

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