Marin County property record for 339 Hillside Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 3,113 sqft · built 1984 |
| Lot Size | 0.15 acres (6,545 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $300,000 (Jun 1996) |
| Tax Bill | $10,641 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-071-19 |
| Primary APN | 029-071-19 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 3,113 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Contemporary |
| Lot Area | 6,545 sqft (0.15 acres) |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 498 sqft |
| Deck Area | 91 sqft |
| Patio Area | 91 sqft |
| Heating System | Central |
|---|
| Street Address | 339 HILLSIDE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1147 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5019 |
| Census Tract | 126100 |
Source: Marin County records · APN 029-071-19
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 | 339 HILLSIDE AVE, MILL VALLEY, CA 94941-1147 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 03, 1996 · Amount on Record |
| Deed Sale | Jun 03, 1996 · Amount on Record |
| Deed Document Number | 199629212 |
| Last Transfer Date | Apr 24, 2015 |
| Transfer Doc | 0000044511 |
| Record Updated | Sep 20, 2026 |
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 | $729,228 (+2%) Land $169,862 Building $559,366 | |
| 2025 | $10,641.00 (-4.91%) Homeowner's exemption | $714,932 (+4.04%) Land $166,532 Building $548,400 |
| 2023 | $11,191.00 (+1.95%) Homeowner's exemption | $687,172 Land $160,065 Building $527,107 |
| 2022 | $10,977.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411261005, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1986–2010) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Jan 2010, rainfall accumulation |
| Wildfire Risk | Low above 32% of the US · above 19% of California |
|---|---|
| Wildfire Likelihood | About 1 in 3,448 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 595 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
May also be available at this address: Unwired, T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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