20641 Monte Rio Ave, Monte Rio, CA 95462 Property Records

Sonoma County property record for 20641 Monte Rio Ave, Monte Rio, CA 95462

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,427 sqft · built 1952
Lot Size	0.103 acres (4,500 sqft)
Owner	2 Individual Names on File
Last Sale	$330,000 (Jul 2021)
Tax Bill	$4,397 (2025)
Deeds & Mortgages	Jul 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`095-181-010-000`

Property Details

APN / Parcel Number

Primary APN	`095-181-010-000`
Alternative APN	`095-181-010`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,427 sqft Living Area
1st Floor Area	563 sqft
Basement Area	384 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 2000
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	4,500 sqft (0.103 acres)

Utilities, Heating & Cooling

Cooling System	None
Heating System	Baseboard
Heating Fuel	Electric

Location & Zoning

Old Parcel Number	095-181-010
Street Address	20641 MONTE RIO AVE
City	MONTE RIO
State	CA
Zip	95462
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RR1
Legal Description	EAST MONTE RIO TIER C LOT 14
Legal Subdivision	EAST MONTE RIO SUBDIVISION
Legal Block	2
Legal Lot Number	14
Jurisdiction	SONOMA CA
Township / Civil Division	RUSSIAN RIVER-SONOMA COAST
Census Block Group	2
Census Block	2007
Census Tract	153708

Owner

20641 Monte Rio Ave is owned and occupied by two individuals who bought it in July 2021.

Source: Sonoma County records, as of October 19, 2026

Owner of Record	2 Individual Names on File
Mailing Address	661 LAUREL GROVE CIR, SANTA ROSA, CA 95407-5488
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint 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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 20, 2021 · Amount on File
Deed Sale	Jul 20, 2021 · Amount on File
Prior Sale	Aug 28, 2015 · Amount on File
Deed Document Number	202183150
Prior Transfer Date	Dec 1, 2006
Prior Transfer Doc	0000151387
Record Updated	Oct 29, 2026

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jul 20, 2021
Property Address	20641 MONTE RIO AVE, MONTE RIO, CA 95462
Document Number	0000083150
Map Reference	MB 19 PG 9
Instrument Date	Jul 16, 2021
Instrument	2021083150
Transaction Type	Transfer
Record Updated	Jul 25, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$363.00
Amount Accuracy	Rounded by County
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	661 LAUREL GROVE CIR, SANTA ROSA, CA 95407-5488

Mortgage

Document Number	0000083151
Date	Jul 20, 2021
Instrument	2021083151

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 20641 Monte Rio Ave was $4,397 with a homeowner's exemption.

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

Year	Tax Bill	Assessed Value
2026		$351,787 (+2%) Land $86,593 Building $265,194
2025	$4,397.00 Homeowner's exemption	$344,891 Land $84,896 Building $259,995
2023	$4,214.00 (+1.66%) Homeowner's exemption	$331,500 Land $81,600 Building $249,900
2022	$4,145.00

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

Flood

FEMA maps place 20641 Monte Rio Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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

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 File 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

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 20641 Monte Rio Ave is moderate, ranking above 55% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 55% of the US · lower than 67% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Direct 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 System	SWEETWATER SPRINGS CWD - MONTE RIO serves 3,531 people · EPA ID CA4910028
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, 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 17 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	1,200 / 35
Verizon Fixed Wireless	300 / 20