152 Porteous Ave, Fairfax, CA 94930 Property Records

Marin County property record for 152 Porteous Ave, Fairfax, CA 94930

Property Summary

Property Type	Duplex
Details	3 bd · 2 ba · 1,066 sqft · built 1948
Lot Size	0.231 acres (10,050 sqft)
Owner	Individual Name on Record
Last Sale	$958,000 (Feb 2020)
Tax Bill	$17,588 (2025)
Deeds & Mortgages	Oct 2023 Line of Credit Jan 2021 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`002-071-09`

Property Details

APN / Parcel Number

Primary APN	`002-071-09`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Units	2 Units
Building Area	1,066 sqft Living Area
Basement Area	168 sqft

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1950
Architectural Style	Contemporary
Lot Area	10,050 sqft (0.231 acres)
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Deck Area	184 sqft
Patio Area	200 sqft

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	152 PORTEOUS AVE
City	FAIRFAX
State	CA
Zip	94930-2036
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	L329&L330 /B4P96 M MAP #3 DEER PARK
Legal Subdivision	DEER PARK MAP 03
Legal Tract	3
Legal Lot Number	329
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	1
Census Block	1033
Census Tract	114100

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on Record
Mailing Address	152 PORTEOUS AVE, FAIRFAX, CA 94930-2036
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 5, 2023	Intrafamily Transfer, Transfer · Line of Credit UNITED WHOLESALE MORTGAGE
Jan 26, 2021	Quit Claim Deed, Transfer FIRST AMERICAN TITLE
Feb 14, 2020	Grant Deed, Transfer · Conventional Mortgage FREMONT BANK
Nov 28, 2018	Intrafamily Transfer, Transfer · ARM NEW PENN FINANCIAL LLC
Jan 29, 2018	Grant Deed, Transfer · Conventional Mortgage BROWN TRUST (RT)

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 14, 2020 · Amount on Record
Deed Sale	Feb 14, 2020 · Amount on Record
Prior Sale	Jan 29, 2018 · Amount on Record
Deed Document Number	20206029
Prior Transfer Date	Sep 24, 1997
Prior Transfer Doc	0000053989
Record Updated	Oct 29, 2026

October 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Oct 5, 2023
Property Address	152 PORTEOUS AVE, FAIRFAX, CA 94930-2036
Document Number	0000025154
Map Reference	VOL 4 PG 96
Instrument Date	Sep 29, 2023
Instrument	2023-0025154
Transaction Type	Transfer
Record Updated	Oct 19, 2023
Title Company	ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY

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	152 PORTEOUS AVE, FAIRFAX, CA 94930-2036
Investor	Possibly a Property Investor

Mortgage

Document Number	0000025155
Date	Oct 5, 2023
Instrument	2023-0025155

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2053

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jan 26, 2021
Property Address	152 PORTEOUS AVE, FAIRFAX, CA 94930-2036
Document Number	0000005442
Instrument Date	Jan 6, 2021
Instrument	5442
Transaction Type	Transfer
Record Updated	Feb 8, 2021
Title Company	FIRST AMERICAN TITLE

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	152 PORTEOUS AVE FAIRFAX CA 949302036, FAIRFAX, CA 94930-2036

February 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Feb 14, 2020
Property Address	152 PORTEOUS AVE, FAIRFAX, CA 94930-2036
Document Number	0000006029
Map Reference	VOL 4 PG 96
Instrument Date	Feb 10, 2020
Instrument	2020-0006029
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,053.80
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	152 PORTEOUS AVE, FAIRFAX, CA 94930-2036

Mortgage

Document Number	0000006030
Date	Feb 14, 2020
Instrument	2020-0006030

Lender

Name	FREMONT BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2050

November 2018: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Nov 28, 2018
Property Address	152 PORTEOUS AVE, FAIRFAX, CA 94930-2036
Document Number	0000040657
Map Reference	VOL4 PG96
Instrument Date	Nov 26, 2018
Instrument	2018-0040657
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	5 HARVARD DR, LARKSPUR, CA 94939-1107

Mortgage

Document Number	0000040658
Date	Nov 28, 2018
Instrument	2018-0040658

Lender

Name	NEW PENN FINANCIAL LLC
Type	Mortgage Company

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	5.25%
Type Change Date	Dec 1, 2023
Change Frequency	Annually
Min Rate At Change	5.25%
Max Rate At Change	7.25%
Index	1-Year LIBOR
Max Rate	10.2%

January 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jan 29, 2018
Property Address	152 PORTEOUS AVE, FAIRFAX, CA 94930-2036
Document Number	0000002726
Instrument Date	Jan 22, 2018
Instrument	2726
Transaction Type	Transfer
Record Updated	Feb 12, 2018
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$880.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	5 HARVARD DR LARKSPUR CA 949391107, LARKSPUR, CA 94939-1107

Mortgage

Document Number	2727
Date	Jan 29, 2018
Instrument	2727

Lender

Name	BROWN TRUST (RT)
Address	MONTEREY, CA 93940

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

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		$1,068,649 (+2%) Land $733,999 Building $334,650
2025	$17,588.00 (+5.02%) Homeowner's exemption	$1,047,697 (+4.04%) Land $719,608 Building $328,089
2023	$16,748.00 (+1.42%) Homeowner's exemption	$1,007,020 Land $691,669 Building $315,351
2022	$16,513.00

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 X minimal risk
Flood Insurance Requirement	Not required lenders may require it
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 62% of the US · lower than 62% of California
Wildfire Likelihood	0.2% 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 111 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250

Cell Coverage

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

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