34 Renz Rd, Mill Valley, CA 94941 Property Records

Marin County property record for 34 Renz Rd, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 3,050 sqft · built 1932
Lot Size	0.287 acres (12,500 sqft)
Owner	2 Company Names on Record
Last Sale	$3,300,000 (May 2025)
Tax Bill	$33,448 (2025)
Deeds & Mortgages	Jul 2018 Line of Credit May 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`027-241-02`

Property Details

APN / Parcel Number

Primary APN	`027-241-02`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Building Area	3,050 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1932
Effective Year Built	Effective 2006
Architectural Style	Contemporary
Lot Area	12,500 sqft (0.287 acres)
Garage Area	324 sqft
Parking Spaces	1 Parking Space
Deck Area	1,140 sqft
Patio Area	1,525 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	34 RENZ RD
City	MILL VALLEY
State	CA
Zip	94941-1726
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	TAMALPAIS LAND & CO MAP 05
Legal Lot Number	396
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3000
Census Tract	127000

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	34 RENZ RD, MILL VALLEY, CA 94941-1726
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 17, 2018	Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK
May 28, 2019	Deed of Trust, Mortgage · ARM FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 30, 2025 · Amount on Record
Deed Sale	May 30, 2025 · Amount on Record
Prior Sale	Jun 23, 2009 · Amount on Record
Deed Document Number	202514674
Prior Transfer Date	Apr 26, 2016
Prior Transfer Doc	0000020726
Record Updated	Oct 29, 2026

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	34 RENZ RD, MILL VALLEY, CA 94941-1726
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000025468
Date	Jul 17, 2018
Instrument	2018-0025468

Lender

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

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	299 Months
Due	Jun 26, 2043

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	34 RENZ RD, MILL VALLEY, CA 94941-1726
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMER TTL CO OF MARIN

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000018065
Date	May 28, 2019
Instrument	2019-0018065

Lender

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

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	3%
Adjustable	Adjustable Rate Rider
Type Change Date	Jun 1, 2026
Change Frequency	Monthly
Min Rate At Change	2.95%
Max Rate	10.9%

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		$3,366,000 (+32.24%) Land $2,040,000 Building $1,326,000
2025	$33,448.00 (+4.98%) Homeowner's exemption	$2,545,368 (+4.04%) Land $1,158,903 Building $1,386,465
2023	$31,862.00 (+0.86%) Homeowner's exemption	$2,446,550 Land $1,113,912 Building $1,332,638
2022	$31,591.00

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 AO, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	5 in force
Nearby Flood Claims	4 (1982–1998)
Claims Outside the SFHA	3 of 4
Most Recent Claim	Jan 1998 · rainfall accumulation

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 40% of the US · lower than 76% of California
Wildfire Likelihood	0.06% 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 340 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250

May also be available: Unwired, Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

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