171 Elm Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 171 Elm Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,732 sqft · built 1925
Lot Size	0.092 acres (4,000 sqft)
Owner	2 Company Names on Record
Last Sale	$2,500,000 (Sep 2021)
Tax Bill	$26,693 (2025)
Deeds & Mortgages	Apr 2022 Line of Credit Sep 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`028-234-05`

Property Details

APN / Parcel Number

Primary APN	`028-234-05`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Building Area	1,732 sqft Living Area
Basement Area	766 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1985
Architectural Style	Contemporary
Lot Area	4,000 sqft (0.092 acres)
Garage Area	228 sqft
Parking Spaces	1 Parking Space
Deck Area	140 sqft
Patio Area	140 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	171 ELM AVE
City	MILL VALLEY
State	CA
Zip	94941-2104
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 142
Legal Subdivision	TAMALPAIS PARK
Legal Lot Number	142
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3013
Census Tract	126100

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	171 ELM AVE, MILL VALLEY, CA 94941-2104
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Apr 6, 2022	Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK
Sep 28, 2021	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 28, 2021 · Amount on Record
Deed Sale	Sep 28, 2021 · Amount on Record
Prior Sale	Mar 6, 2012 · Amount on Record
Deed Document Number	202160011
Prior Transfer Date	Jun 15, 2016
Prior Transfer Doc	0000029938
Record Updated	Sep 20, 2026

April 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	171 ELM AVE, MILL VALLEY, CA 94941-2104
Transaction Type	Mortgage
Record Updated	Apr 20, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	171 ELM AVE, MILL VALLEY, CA 94941-2104

Mortgage

Document Number	0000014736
Date	Apr 6, 2022
Instrument	2022-0014736

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Apr 26, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Sep 28, 2021
Property Address	171 ELM AVE, MILL VALLEY, CA 94941-2104
Document Number	0000060011
Map Reference	VOL 2 PG 55
Instrument Date	Sep 20, 2021
Instrument	2021-0060011
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,750.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	162 9TH AVE, SAN FRANCISCO, CA 94118-1223

Mortgage

Document Number	0000060013
Date	Sep 28, 2021
Instrument	2021-0060013

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	13 Months
Due	Oct 1, 2022

Interest

Rate Type	Adjustable Rate
Rate	4.25%
Type Change Date	Nov 1, 2021
Change Frequency	Annually
Index	Prime Rate
Margin	1
Max Rate	10.9%

Mortgage

Document Number	0000060012
Date	Sep 28, 2021
Instrument	2021-0060012

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2051

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Mill Valley City
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		$2,230,036 (+2%) Land $1,338,050 Building $891,986
2025	$26,693.00 (-2.34%) Homeowner's exemption	$2,186,326 (+4.04%) Land $1,311,823 Building $874,503
2023	$27,333.00 (+3.18%) Homeowner's exemption	$2,101,452 Land $1,260,898 Building $840,554
2022	$26,490.00

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 61 individual policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	69 units insured incl. 8 condo units
Nearby Flood Claims	43 (1979–2024)
Claims Outside the SFHA	6 of 43
Most Recent Claim	Dec 2024 · river or lake flooding
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 13 claims Severe Storms & Flooding, Feb 1986 · 3 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 9 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 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect within ember reach

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

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Networks, T-Mobile.

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