309 Greene St, Mill Valley, CA 94941 Property Records

Marin County property record for 309 Greene St, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,252 sqft · built 1988
Lot Size	0.097 acres (4,230 sqft)
Owner	2 Trust Names on File
Last Sale	$1,535,000 (May 2021)
Tax Bill	$14,907 (2025)
Deeds & Mortgages	Jun 2022 Line of Credit Jun 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`050-181-48`

Property Details

APN / Parcel Number

Primary APN	`050-181-48`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	4 Rooms
Stories	2 Stories
Building Area	1,252 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1990
Architectural Style	Contemporary
Exterior Material	Wood Siding
Roof Material	Composition Shingle
Lot Area	4,230 sqft (0.097 acres)
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces
Deck Area	744 sqft
Patio Area	744 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	309 GREENE ST
City	MILL VALLEY
State	CA
Zip	94941-4132
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	BLK 5 LOT 33,34
Legal Subdivision	MARIN HEIGHTS SUB B
Legal Block	5
Legal Lot Number	33,34
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1004
Census Tract	128100

Owner

309 Greene St is owner-occupied and held in a trust since May 2021.

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

Owner of Record	2 Trust Names on File
Mailing Address	309 GREENE ST, MILL VALLEY, CA 94941-4132
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Living 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 7, 2022	Deed of Trust, Mortgage · Line of Credit MUFG UNION BANK NA
Jun 22, 2021	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
May 13, 2021	Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY
Oct 13, 2020	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 13, 2021 · Amount on File
Deed Sale	May 13, 2021 · Amount on File
Prior Sale	Sep 16, 1994 · Amount on File
Deed Document Number	202132306
Prior Transfer Date	Dec 19, 2014
Prior Transfer Doc	0000004927
Record Updated	Oct 29, 2026

June 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	309 GREENE ST, MILL VALLEY, CA 94941-4132
Transaction Type	Mortgage
Record Updated	Jun 23, 2022
Title Company	CHICAGO TITLE PIRT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	309 GREENE ST, MILL VALLEY, CA 94941-4132

Mortgage

Document Number	0000022412
Date	Jun 7, 2022
Instrument	2022-0022412

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	309 GREENE ST, MILL VALLEY, CA 94941-4132
Transaction Type	Mortgage
Record Updated	Jul 7, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	309 GREENE ST, MILL VALLEY, CA 94941-4132

Mortgage

Document Number	0000041130
Date	Jun 22, 2021
Instrument	2021-0041130

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

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

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	May 13, 2021
Property Address	309 GREENE ST, MILL VALLEY, CA 94941-4132
Document Number	0000032306
Map Reference	VOL 4 PG 99
Instrument Date	Apr 29, 2021
Instrument	2021-0032306
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$1,688.50
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	309 GREENE ST, MILL VALLEY, CA 94941-4132

October 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	MARIN CA
Recording Date	Oct 13, 2020
Property Address	309 GREENE ST, MILL VALLEY, CA 94941-4132
Document Number	0000049094
Instrument Date	Sep 23, 2020
Instrument	49094
Transaction Type	Transfer
Record Updated	Oct 28, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	309 GREENE ST MILL VALLEY CA 949414132, MILL VALLEY, CA 94941-4132

Tax Assessment & Valuation

The 2025 property tax bill for 309 Greene St was $14,907 with a homeowner's exemption.

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Elementary School District	Mill 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		$1,058,435 (+2%) Land $398,731 Building $659,704
2025	$14,907.00 Homeowner's exemption	$1,037,682 Land $390,913 Building $646,769
2023	$14,191.00 (+3.79%) Homeowner's exemption	$997,393 Land $375,736 Building $621,657
2022	$13,673.00

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

Flood

FEMA maps place 309 Greene St in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1982.

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
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	4 in force
Nearby Flood Claims	4 (1982–1998)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Apr 1998 · Severe Winter Storms And Flooding

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 309 Greene St is low, with a 0.02% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.02% 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 707 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

May also be available: T-Mobile, Verizon.

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