61 Porteous Ave, Fairfax, CA 94930 Property Records

Marin County property record for 61 Porteous Ave, Fairfax, CA 94930

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,775 sqft · built 1922
Lot Size	0.116 acres (5,050 sqft)
Owner	2 Company Names on File
Last Sale	$1,100,000 (Jul 2020)
Tax Bill	$19,301 (2025)
Deeds & Mortgages	Oct 2023 Transfer Jul 2020 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`002-082-23`

Property Details

APN / Parcel Number

Primary APN	`002-082-23`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Units	2 Units
Building Area	1,775 sqft Living Area

Exterior

Year Built	Built 1922
Effective Year Built	Effective 1960
Architectural Style	Duplex Single
Lot Area	5,050 sqft (0.116 acres)
Deck Area	172 sqft
Patio Area	552 sqft

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	61 PORTEOUS AVE
City	FAIRFAX
State	CA
Zip	94930-2032
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	MAP J7 565
Legal Subdivision	DEER PARK MAP 01
Legal Lot Number	71
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	1
Census Block	1031
Census Tract	114100

Owner

61 Porteous Ave, a duplex, is owned by a company that acquired it in October 2023 and is owner-occupied.

Source: Marin County records, as of July 13, 2026

Owner of Record	2 Company Names on File
Mailing Address	61 PORTEOUS AVE, FAIRFAX, CA 94930-2032
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

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

Date	Document
Oct 31, 2023	Intrafamily Transfer, Transfer
Jul 2, 2020	Grant Deed, Transfer · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 2, 2020 · Amount on File
Deed Sale	Jul 2, 2020 · Amount on File
Prior Sale	Jun 12, 2015 · Amount on File
Deed Document Number	20202-00028295
Last Transfer Date	Oct 13, 2023
Transfer Doc	0000029235
Record Updated	Sep 20, 2026

October 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Oct 31, 2023
Property Address	61 PORTEOUS AVE, FAIRFAX, CA 94930-2032
Document Number	0000029235
Instrument Date	Oct 13, 2023
Instrument	2023-0029235
Transaction Type	Transfer
Record Updated	Nov 15, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	61 PORTEOUS AVE, FAIRFAX, CA 94930-2032

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jul 2, 2020
Property Address	61 PORTEOUS AVE, FAIRFAX, CA 94930-2032
Document Number	0000028295
Instrument Date	Jun 25, 2020
Instrument	202-00028295
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,210.00
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	61 PORTEOUS AVE, FAIRFAX, CA 94930-2032

Mortgage

Document Number	0000028296
Date	Jul 2, 2020
Instrument	2020-0028296

Lender

Name	AMERICAN PACIFIC MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 61 Porteous Ave was $19,301 with a homeowner's exemption.

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Fairfax Town
Elementary School District	Ross Valley Elementary School District (KG - 08)
Secondary School District	Tamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,211,153 (+2%) Land $717,639 Building $493,514
2025	$19,301.00 Homeowner's exemption	$1,187,414 Land $703,573 Building $483,841
2023	$18,384.00 (+1.35%) Homeowner's exemption	$1,141,318 Land $676,260 Building $465,058
2022	$18,139.00

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

Flood

FEMA maps place 61 Porteous Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AO, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 85 policies
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	85 in force
Nearby Flood Claims	81 (1980–2024)
Claims Outside the SFHA	18 of 81
Most Recent Claim	Feb 2024 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 48 claims Severe Storms & Flooding, Feb 1986 · 3 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 6 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 61 Porteous Ave is moderate, ranking above 50% 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 50% of the US · lower than 70% 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	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002
Water Source	Surface water
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2019–2021) 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 526 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile, Unwired, Verizon.

Cell Coverage

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

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