Marin County property record for 666 Sequoia Valley Rd, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,202 sqft · built 1916 |
| Lot Size | 0.482 acres (21,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $800,000 (Oct 2019) |
| Tax Bill | $13,753 (2025) |
| Deeds & Mortgages | Oct 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 046-192-07 |
| Primary APN | 046-192-07 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,202 sqft Living Area |
| Basement Area | 363 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1916 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Contemporary |
| Lot Area | 21,000 sqft (0.482 acres) |
| Garage Area | 165 sqft |
| Deck Area | 210 sqft |
| Patio Area | 210 sqft |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 666 SEQUOIA VALLEY RD |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2671 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP C4 606 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 128200 |
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 666 SEQUOIA VALLEY RD, MILL VALLEY, CA 94941-2671 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 11, 2019 · Amount on Record |
| Deed Sale | Oct 11, 2019 · Amount on Record |
| Deed Document Number | 201938126 |
| Prior Transfer Date | Sep 8, 2013 |
| Prior Transfer Doc | 0000059420 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Oct 11, 2019 |
| Property Address | 666 SEQUOIA VALLEY RD, MILL VALLEY, CA 94941-2671 |
| Document Number | 0000038126 |
| Instrument Date | Oct 9, 2019 |
| Instrument | 2019-0038126 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 666 SEQUOIA VALLEY RD, MILL VALLEY, CA 94941-2671 |
| Document Number | 0000038127 |
|---|---|
| Date | Oct 11, 2019 |
| Instrument | 2019-0038127 |
| Name | CROSSCOUNTRY MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2049 |
Source: Marin County assessment roll, as of July 13, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $892,399 (+2%) Land $474,087 Building $418,312 | |
| 2025 | $13,753.00 (+6.08%) | $874,903 (+4.04%) Land $464,792 Building $410,111 |
| 2023 | $12,965.00 (+4.15%) | $840,935 Land $446,747 Building $394,188 |
| 2022 | $12,448.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (2024) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2024 · other causes |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 44% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 205 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Muir Beach LAN, Verizon.
5G (outdoors only) and 4G LTE
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