51 Porteous Ave, Fairfax, CA 94930 Property Records

Marin County property record for 51 Porteous Ave, Fairfax, CA 94930

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,017 sqft · built 1925
Lot Size	0.103 acres (4,500 sqft)
Owner	2 Trust Names on File
Last Sale	$212,500 (Jul 2017)
Tax Bill	$6,553 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Jul 2017 Sale & Mortgage
Flood Zone	Zone AO (high risk)
APN	`002-042-03`

Property Details

APN / Parcel Number

Primary APN	`002-042-03`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,017 sqft Living Area

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1935
Architectural Style	Contemporary
Lot Area	4,500 sqft (0.103 acres)
Garage Area	216 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	51 PORTEOUS AVE
City	FAIRFAX
State	CA
Zip	94930-2011
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	DEER PARK MAP 01
Legal Lot Number	51
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	1
Census Block	1027
Census Tract	114100

Owner

51 Porteous Ave is owner-occupied and held in a trust since July 2017.

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

Owner of Record	2 Trust Names on File
Mailing Address	51 PORTEOUS AVE, FAIRFAX, CA 94930-2011
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

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
Jun 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage EVERETT FINANCIAL INC
Jul 11, 2017	Deed, Transfer · Conventional Mortgage DITECH FINANCIAL LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 11, 2017 · Amount on File
Deed Sale	Jul 11, 2017 · Amount on File
Deed Document Number	201727379
Prior Transfer Date	Jun 28, 2014
Prior Transfer Doc	0000027379
Record Updated	Oct 29, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	51 PORTEOUS AVE, FAIRFAX, CA 94930-2011
Transaction Type	Mortgage
Record Updated	Jul 21, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	205 BERYL ST, MILL VALLEY, CA 94941-4129

Mortgage

Document Number	0000042592
Date	Jun 28, 2021
Instrument	2021-0042592

Lender

Name	EVERETT FINANCIAL INC
Type	Funding / Finance Company
Address	DALLAS, TX 75254

Agreement

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

July 2017: Deed, Transfer

Document Type	Deed
Jurisdiction	MARIN CA
Recording Date	Jul 11, 2017
Property Address	51 PORTEOUS AVE, FAIRFAX, CA 94930-2011
Document Number	0000027379
Map Reference	MB2 PG105
Instrument Date	Jun 28, 2014
Instrument	2017-0027379
Transaction Type	Transfer
Record Updated	Jul 21, 2022
Title Company	OLD REPUBLIC TITLE CO

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Rounded by County

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	51 PORTPORUR AVE, FAIRFAX, CA 94930

Mortgage

Document Number	0000027380
Date	Jul 11, 2017
Instrument	2017-0027380

Lender

Name	DITECH FINANCIAL LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 51 Porteous Ave was $6,553.

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		$263,509 (+2%) Land $100,480 Building $163,029
2025	$6,553.00	$258,342 Land $98,510 Building $159,832
2023	$6,209.00 (+2.1%)	$248,312 Land $94,685 Building $153,627
2022	$6,081.00

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

Flood

FEMA maps place 51 Porteous Ave in Zone AO, a high-risk flood area; flood insurance is required for federally backed loans.

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 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 51 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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