Marin County property record for 33 Ethel Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,703 sqft · built 1923 |
| Lot Size | 0.156 acres (6,784 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $11,084 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-101-06 |
| Primary APN | 028-101-06 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,703 sqft Living Area |
| Basement Area | 374 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1923 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 6,784 sqft (0.156 acres) |
| Deck Area | 60 sqft |
| Patio Area | 60 sqft |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 33 ETHEL AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2787 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BLK 14 LOT 2 |
| Legal Subdivision | TAMALPAIS LAND & WATER CO MAP |
| Legal Block | 14 |
| Legal Lot Number | 2 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 127000 |
33 Ethel Ave is owned by a company that acquired it in December 1998 and is owner-occupied.
Source: Marin County records, as of August 27, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 33 ETHEL AVE, MILL VALLEY, CA 94941-2787 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 18, 1998 |
| Transfer Doc | 0000097441 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 33 Ethel Ave was $11,084 with a homeowner's exemption.
Source: Marin County assessment roll, as of July 13, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $654,754 (+2%) Land $353,640 Building $301,114 | |
| 2025 | $11,084.00 Homeowner's exemption | $641,915 Land $346,706 Building $295,209 |
| 2023 | $10,525.00 (+1.02%) Homeowner's exemption | $616,990 Land $333,244 Building $283,746 |
| 2022 | $10,419.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 33 Ethel Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 21 policies |
| Nearby Flood Policies | 21 in force |
| Nearby Flood Claims | 14 (1979–2005) |
| Claims Outside the SFHA | 5 of 14 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
| Claims by Event |
|
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 risk around 33 Ethel Ave is low, with a 0.01% 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 | 0.01% annual chance |
| Exposure | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 595 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile, Unwired.
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