33 Porteous Ave, Fairfax, CA 94930 Property Records

Marin County property record for 33 Porteous Ave, Fairfax, CA 94930

Property Summary

Property Type	Duplex
Details	4 bd · 3 ba · 2,048 sqft · built 1965
Lot Size	0.144 acres (6,250 sqft)
Owner	2 Company Names on Record
Last Sale	$140,000 (Dec 1995)
Tax Bill	$16,913 (2025)
Deeds & Mortgages	Apr 2018 Transfer Sep 2017 Transfer
Flood Zone	Zone AO (high risk)
APN	`002-036-19`

Property Details

APN / Parcel Number

Primary APN	`002-036-19`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Units	2 Units
Building Area	2,048 sqft Living Area

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1966
Architectural Style	Colonial
Lot Area	6,250 sqft (0.144 acres)
Garage Area	504 sqft
Parking Spaces	2 Parking Spaces
Deck Area	273 sqft
Patio Area	273 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	33 PORTEOUS AVE
City	FAIRFAX
State	CA
Zip	94930-2011
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	LOT 43
Legal Subdivision	MAP
Legal Tract	1
Legal Lot Number	43
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	1
Census Block	1028
Census Tract	114100

Owner

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

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

Owner of Record	2 Company Names on Record
Mailing Address	144 BAHAMA REEF, NOVATO, CA 94949-5305
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 25, 2018	Affidavit of Death, Transfer ATTORNEY ONLY
Sep 14, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 14, 1995 · Amount on Record
Deed Sale	Dec 14, 1995 · Amount on Record
Deed Document Number	199560538
Prior Transfer Date	Dec 7, 1995
Prior Transfer Doc	0000060538
Record Updated	Oct 29, 2026

April 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	MARIN CA
Recording Date	Apr 25, 2018
Property Address	33 PORTEOUS AVE, FAIRFAX, CA 94930-2011
Document Number	0000014620
Instrument Date	Apr 5, 2018
Instrument	14620
Transaction Type	Transfer
Record Updated	May 2, 2018
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	33 PORTEOUS AVE FAIRFAX CA 949302011, FAIRFAX, CA 94930-2011

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Sep 14, 2017
Property Address	33 PORTEOUS AVE, FAIRFAX, CA 94930-2011
Document Number	0000036706
Instrument Date	Sep 12, 2017
Instrument	36706
Transaction Type	Transfer
Record Updated	Jan 3, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	33 PORTEOUS AVE FAIRFAX CA 949302011, FAIRFAX, CA 94930-2011

Tax Assessment & Valuation

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		$1,102,532 (+2%) Land $696,336 Building $406,196
2025	$16,913.00 (+4.9%)	$1,080,919 (+4.04%) Land $682,686 Building $398,233
2023	$16,123.00 (+1.28%)	$1,038,948 Land $656,178 Building $382,770
2022	$15,919.00

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

Flood

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

FEMA Flood Zone	Zone AO high risk · sheet flow 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record 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

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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