4 Allen Ave, Ross, CA 94957 Property Records

Marin County property record for 4 Allen Ave, Ross, CA 94957

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,418 sqft · built 1912
Lot Size	0.39 acres (17,000 sqft)
Owner	2 Company Names on Record
Last Sale	$3,500,000 (Mar 2020)
Tax Bill	$60,816 (2025)
Deeds & Mortgages	Jan 2017 Mortgage Mar 2020 Sale & Mortgage
Flood Zone	Zone AE (high risk)
APN	`073-241-09`

Property Details

APN / Parcel Number

Primary APN	`073-241-09`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,418 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1912
Effective Year Built	Effective 1980
Architectural Style	Contemporary
Exterior Material	Wood
Roof Material	Composition Shingle
Lot Area	17,000 sqft (0.39 acres)
Garage Area	216 sqft
Parking Spaces	1 Parking Space
Deck Area	224 sqft
Patio Area	224 sqft

Utilities, Heating & Cooling

Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4 ALLEN AVE
City	ROSS
State	CA
Zip	94957-9635
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1B75
Legal Description	L130&L129* /B2P38 M RAYMOND TR
Legal Subdivision	RAYMOND
Legal Lot Number	130
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	2
Census Block	2013
Census Tract	118100

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	PO BOX 1341, ROSS, CA 94957-1341
Owner Type	Company
Vesting	Trust, Living Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 24, 2017	Deed of Trust, Mortgage · ARM CITY NATIONAL BANK
Mar 20, 2020	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 20, 2020 · Amount on Record
Deed Sale	Mar 20, 2020 · Amount on Record
Prior Sale	Jun 1, 2012 · Amount on Record
Deed Document Number	202011480
Record Updated	Oct 29, 2026

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	4 ALLEN AVE, ROSS, CA 94957-9635
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000003221
Date	Jan 24, 2017
Instrument	2017-0003221

Lender

Name	CITY NATIONAL BANK
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	2.7%
Type Change Date	Feb 1, 2022
Change Frequency	Annually
Min Rate At Change	2.5%
Max Rate At Change	7.75%
Index	1-Year T-Bill
Max Rate	7.75%

March 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Mar 20, 2020
Property Address	4 ALLEN AVE, ROSS, CA 94957-9635
Document Number	0000011480
Map Reference	MB 2 PG 38
Instrument Date	Mar 20, 2020
Instrument	2020-0011480
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	$3,850.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	284 AVILA ST, SAN FRANCISCO, CA 94123-1509

Mortgage

Document Number	0000011481
Date	Mar 20, 2020
Instrument	2020-0011481

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.37%
Type Change Date	Apr 1, 2030
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	4.37%
Index	1-Year LIBOR
Max Rate	7.37%

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Ross Town
Elementary School District	Ross 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		$4,936,688 (+2%) Land $2,147,337 Building $2,789,351
2025	$60,816.00 (+6.41%)	$4,839,906 (+4.49%) Land $2,105,237 Building $2,734,669
2023	$57,150.00 (+15.52%)	$4,631,992 Land $2,023,502 Building $2,608,490
2022	$49,474.00

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 AE high risk
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 130 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	130 in force
Nearby Flood Claims	229 (1980–2025)
Claims Outside the SFHA	17 of 229
Most Recent Claim	Apr 2025 · other causes
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 101 claims Severe Storms & Flooding, Feb 1986 · 27 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 42 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	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.03% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 255 locations within half a mile, as of December 31, 2025

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

May also be available: T-Mobile, Unwired.

Cell Coverage

5G (outdoors only) and 4G LTE

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