1 Byron Cir, Mill Valley, CA 94941 Property Records

Marin County property record for 1 Byron Cir, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,179 sqft · built 1975
Lot Size	0.033 acres (1,440 sqft)
Owner	2 Company Names on Record
Last Sale	$679,000 (Aug 2014)
Tax Bill	$11,036 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Oct 2019 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`030-311-17`

Property Details

APN / Parcel Number

Primary APN	`030-311-17`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Building Area	1,179 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1981
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Tar & Gravel
Lot Area	1,440 sqft (0.033 acres)
Deck Area	378 sqft
Patio Area	378 sqft

Utilities, Heating & Cooling

Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1 BYRON CIR
City	MILL VALLEY
State	CA
Zip	94941-2204
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	L148 /B15P81 M SHELTER RIDGE #3
Legal Subdivision	SHELTER RDG #3
Legal Tract	3
Legal Lot Number	148
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3005
Census Tract	126200

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	1 BYRON CIR, MILL VALLEY, CA 94941-2204
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Oct 30, 2019	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC
May 26, 2020	Quit Claim Deed, Transfer QUICKEN LNS
Feb 11, 2019	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 1, 2014 · Amount on Record
Deed Sale	Aug 1, 2014 · Amount on Record
Deed Document Number	201431942
Last Transfer Date	May 20, 2020
Transfer Doc	0000020424
Record Updated	Sep 20, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	1 BYRON CIR, MILL VALLEY, CA 94941-2204
Transaction Type	Mortgage
Record Updated	Jul 28, 2021
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1 BYRON CIR, MILL VALLEY, CA 94941-2204

Mortgage

Document Number	0000045616
Date	Jul 13, 2021
Instrument	2021-0045616

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.1%
Type Change Date	Jul 1, 2031
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	7.1%
Index	Other
Margin	3
Max Rate	7.1%

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	1 BYRON CIR, MILL VALLEY, CA 94941-2204
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000040803
Date	Oct 30, 2019
Instrument	2019-0040803

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2049

May 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	May 26, 2020
Property Address	1 BYRON CIR, MILL VALLEY, CA 94941-2204
Document Number	0000020424
Instrument Date	May 20, 2020
Instrument	20424
Transaction Type	Transfer
Record Updated	Jun 11, 2020
Title Company	OTHER

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	1 BYRON CIR MILL VALLEY CA 949412204, MILL VALLEY, CA 94941-2204

Mortgage

Document Number	20487
Date	May 26, 2020
Instrument	20487

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount Recorded
Term	360 Months
Due	May 25, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.62%

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	1 BYRON CIR, MILL VALLEY, CA 94941-2204
Document Number	0000004555
Instrument Date	Feb 11, 2019
Transaction Type	Mortgage
Record Updated	Feb 27, 2019
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1 BYRON CIR MILL VALLEY CA 949412204, MILL VALLEY, CA 94941-2204

Mortgage

Document Number	0000004555
Date	Feb 15, 2019
Instrument	4555

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 14, 2049

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		$829,893 (+2%) Land $245,168 Building $584,725
2025	$11,036.00 (+10.27%) Homeowner's exemption	$813,625 (+4.04%) Land $240,362 Building $573,263
2023	$10,008.00 (+2.74%) Homeowner's exemption	$782,036 Land $231,030 Building $551,006
2022	$9,741.00

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
Nearby Flood Policies	1 in force
Nearby Flood Claims	18 (1980–2005)
Claims Outside the SFHA	2 of 18
Most Recent Claim	Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides
Claims by Event	Coastal Storms, Floods, Slides & Tornadoes, Jan 1983 · 3 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 4 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	None beyond 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 473 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

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

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