Marin County property record for 4 Byron Cir, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,052 sqft · built 1975 |
| Lot Size | 0.029 acres (1,248 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $384,000 (Jan 2002) |
| Tax Bill | $10,540 (2025) |
| Deeds & Mortgages | May 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 030-311-28 |
| Primary APN | 030-311-28 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,052 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Colonial |
| Lot Area | 1,248 sqft (0.029 acres) |
| Garage Area | 414 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 24 sqft |
| Patio Area | 24 sqft |
| Heating System | Central |
|---|
| Street Address | 4 BYRON CIR |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2205 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 159 |
| Legal Subdivision | SHELTER RDG 03 |
| Legal Tract | 3 |
| Legal Lot Number | 159 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 126200 |
Source: Marin County records · APN 030-311-28
Assessment roll updated July 13, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 4 BYRON CIR, MILL VALLEY, CA 94941-2205 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 04, 2002 · Amount on Record |
| Deed Sale | Jan 04, 2002 · Amount on Record |
| Prior Sale | Jul 10, 1997 · Amount on Record |
| Deed Document Number | 2002848 |
| Last Transfer Date | Apr 23, 2018 |
| Transfer Doc | 0000015678 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | May 02, 2018 |
| Property Address | 4 BYRON CIR, MILL VALLEY, CA 94941-2205 |
| Document Number | 0000015678 |
| Map Reference | VOL415 PG81 |
| Instrument Date | Apr 23, 2018 |
| Instrument | 2018-0015678 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Title Company | NORTH AMERICAN TITLE CO INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | MILL VALLEY, CA 94941 |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4 BYRON CIR, MILL VALLEY, CA 94941-2205 |
| Document Number | 0000015679 |
|---|---|
| Date | May 02, 2018 |
| Instrument | 2018-0015679 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 299 Months |
| Due | Apr 26, 2043 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026
| 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $639,701 (+2%) Land $301,348 Building $338,353 | |
| 2025 | $10,540.00 (+4.33%) Homeowner's exemption | $627,158 (+4.04%) Land $295,440 Building $331,718 |
| 2023 | $10,103.00 (+2.04%) Homeowner's exemption | $602,810 Land $283,970 Building $318,840 |
| 2022 | $9,901.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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