Marin County property record for 47 Upland Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 4.5 ba · 2,828 sqft · built 1951 |
| Lot Size | 0.207 acres (9,000 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $15,438 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-032-09 |
| Primary APN | 029-032-09 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Units | 2 Units |
| Building Area | 2,828 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Contemporary |
| Lot Area | 9,000 sqft (0.207 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 1,126 sqft |
| Patio Area | 1,126 sqft |
| Heating System | Central |
|---|
| Street Address | 47 UPLAND AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1129 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT 31 |
| Legal Subdivision | LAND OPETER PAN |
| Legal Lot Number | 31 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5011 |
| Census Tract | 126100 |
Source: Marin County records · APN 029-032-09
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 | 47 UPLAND AVE, MILL VALLEY, CA 94941-1129 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jan 19, 2000 |
| Transfer Doc | 0000004764 |
| 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 | $1,100,847 (+2%) Land $382,792 Building $718,055 | |
| 2025 | $15,438.00 (+11.42%) Homeowner's exemption | $1,079,265 (+4.04%) Land $375,288 Building $703,977 |
| 2023 | $13,856.00 (-2.82%) Homeowner's exemption | $1,037,358 Land $360,716 Building $676,642 |
| 2022 | $14,258.00 |
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 38% of the US · above 23% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,515 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 113 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 |
| Unwired | Fixed Wireless | 300 / 25 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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