8399 Tyrone Rd, Monte Rio, CA 95462 Property Records

Sonoma County property record for 8399 Tyrone Rd, Monte Rio, CA 95462

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,296 sqft · built 1979
Lot Size	0.28 acres (12,197 sqft)
Owner	Individual Name on File
Last Sale	$675,000 (Oct 2021)
Tax Bill	$8,589 (2025)
Deeds & Mortgages	Oct 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`096-020-010-000`

Property Details

APN / Parcel Number

Primary APN	`096-020-010-000`
Alternative APN	`096-020-010`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,296 sqft Living Area
1st Floor Area	864 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 2000
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	12,197 sqft (0.28 acres)
Garage Type	Carport
Garage Area	264 sqft
Carport	Carport
Carport Area	264 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Baseboard
Heating Fuel	Electric

Location & Zoning

Old Parcel Number	096-020-010
Street Address	8399 TYRONE RD
City	MONTE RIO
State	CA
Zip	95462
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	AR20
Legal Description	MAP D5 124
Legal Block	2
Jurisdiction	SONOMA CA
Township / Civil Division	RUSSIAN RIVER-SONOMA COAST
Census Block Group	2
Census Block	2021
Census Tract	153708

Owner

Source: Sonoma County assessment roll, APN 096-020-010-000, as of April 13, 2026 · Last verified August 2026

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

Owner of Record	Individual Name on File
Mailing Address	137 ASHBURY ST, SAN FRANCISCO, CA 94117-1271
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 21, 2021 · Amount on Record
Deed Sale	Oct 21, 2021 · Amount on Record
Prior Sale	Aug 26, 1999 · Amount on Record
Deed Document Number	2021115926
Prior Transfer Date	Aug 24, 1994
Prior Transfer Doc	0000128423
Record Updated	Sep 20, 2026

October 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Oct 21, 2021
Property Address	8399 TYRONE RD, MONTE RIO, CA 95462-9640
Document Number	0000115926
Instrument Date	Oct 18, 2021
Instrument	2021115926
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$742.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	137 ASHBURY ST, SAN FRANCISCO, CA 94117-1271

Mortgage

Document Number	0000115927
Date	Oct 21, 2021
Instrument	2021115927

Lender

Name	MASON MCDUFFIE MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2051

Tax Assessment & Valuation

Source: Sonoma County assessment roll as of April 13, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Secondary School District	West Sonoma County Union High School District (09 - 12)
Elementary School District	Monte Rio Union Elementary School District (KG - 08)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$8,589.00 (+4.07%)	$716,314 (+4.04%) Land $212,241 Building $504,073
2023	$8,253.00 (+105.5%)	$688,500 Land $204,000 Building $484,500
2022	$4,016.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), as of February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971537082, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 19 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	19 in force
Nearby Flood Claims	11 (2019)
Most Recent Claim	Mar 2019 · river or lake flooding
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Mar 2019 · 9 claims

Wildfire

Wildfire Risk	Moderate above 48% of the US · lower than 71% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, 13 locations within half a mile, as of December 31, 2025 · Last verified October 2026

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

Cell Coverage

4G LTE (outdoors only), no 5G reported

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA4910028, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SWEETWATER SPRINGS CWD - MONTE RIO serves 3,531 people
Water Source	Groundwater
Last State Inspection	Oct 2021
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.