Marin County property record for 109 Willis Dr, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 4,523 sqft · built 1996 |
| Lot Size | 0.564 acres (24,554 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $2,379,000 (Apr 2007) |
| Tax Bill | $38,261 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 043-401-13 |
| Primary APN | 043-401-13 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 4,523 sqft Living Area |
| Basement Area | 719 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | Contemporary |
| Lot Area | 24,554 sqft (0.564 acres) |
| Garage Area | 834 sqft |
| Parking Spaces | 3 Parking Spaces |
| Deck Area | 1,518 sqft |
| Patio Area | 1,518 sqft |
| Heating System | Central |
|---|
| Street Address | 109 WILLIS DR |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3167 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 24 |
| Legal Subdivision | SEMINARY RDG-PH I |
| Legal Lot Number | 24 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 2 |
| Census Block | 2015 |
| Census Tract | 125000 |
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 109 WILLIS DR, MILL VALLEY, CA 94941-3167 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 20, 2007 · Amount on Record |
| Deed Sale | Apr 20, 2007 · Amount on Record |
| Prior Sale | May 23, 2003 · Amount on Record |
| Deed Document Number | 200724542 |
| Prior Transfer Date | Apr 23, 1997 |
| Prior Transfer Doc | 0000033378 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 109 WILLIS DR, MILL VALLEY, CA 94941-3167 |
| Transaction Type | Mortgage |
| Record Updated | Jun 8, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 109 WILLIS DR, MILL VALLEY, CA 94941-3167 |
| Document Number | 0000006440 |
|---|---|
| Date | Feb 18, 2022 |
| Instrument | 2022-0006440 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.35% |
| Type Change Date | Mar 1, 2029 |
| Change Frequency | Monthly |
| Min Rate At Change | 2.95% |
| Max Rate At Change | 10.9% |
| Index | 1-Year CMT |
| Max Rate | 10.9% |
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 | $3,323,938 (+2%) Land $1,854,983 Building $1,468,955 | |
| 2025 | $38,261.00 (+4.95%) Homeowner's exemption | $3,258,771 (+4.04%) Land $1,818,615 Building $1,440,156 |
| 2023 | $36,458.00 (+3.58%) Homeowner's exemption | $3,132,257 Land $1,748,012 Building $1,384,245 |
| 2022 | $35,198.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 2 (1982–1986) |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
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 | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 199 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Etheric Networks.
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