Marin County property record for 70 Shell Rd, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1958 |
| Square Footage | 1,720 sqft Living Area |
| Lot Size | 13,275 sqft (0.305 acres) |
| Garage | 672 sqft |
| Last Sale | $815,000 (2004) |
| Tax Bill | $17,242.00 (2025) |
| Primary APN | 033-091-31 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,720 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Contemporary Style |
| Lot Area | 13,275 sqft (0.305 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 672 sqft Garage |
| Deck Area | 234 sqft Deck |
| Patio Area | 234 sqft Patio |
| Street Address | 70 SHELL RD |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1550 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Subdivision | ALTO 01 |
| Legal Block | A |
| Legal Lot Number | 3 |
| Jurisdiction | MARIN CA |
| Minor Civil Division | SOUTHEAST MARIN |
| Census Blockgroup | 1 |
| Census Block | 1002 |
| Census Tract | 126200 |
Source: Marin County records · APN 033-091-31
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 | 3222 W LAKE SAMMAMISH PKWY SE, BELLEVUE, WA 98008-5734 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 23, 2004 · Amount on Record |
| Deed Sale | Jun 23, 2004 · Amount on Record |
| Deed Doc Number | 200454635 |
| Prior Transfer Date | May 26, 2004 |
| Prior Transfer Doc | 0000054637 |
| Record Refreshed | Sep 20, 2026 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| 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 | $1,181,864 (+2%) Land $797,577 Building $384,287 | |
| 2025 | $17,242.00 (+5.21%) | $1,158,693 (+4.04%) Land $781,940 Building $376,753 |
| 2023 | $16,388.00 (+3.33%) | $1,113,705 Land $751,580 Building $362,125 |
| 2022 | $15,860.00 |
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 AO sheet flow 1–3 ft |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | Low above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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