Marin County property record for 20 Sycamore Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 3,877 sqft · built 1912 |
| Lot Size | 0.386 acres (16,800 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $2,650,000 (Aug 2013) |
| Tax Bill | $66,354 (2025) |
| Deeds & Mortgages | Feb 2019 Mortgage May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-034-31 |
| Primary APN | 028-034-31 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 3,877 sqft Living Area |
| Basement Area | 528 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Contemporary |
| Lot Area | 16,800 sqft (0.386 acres) |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 454 sqft |
| Patio Area | 454 sqft |
| Heating System | Central |
|---|
| Street Address | 20 SYCAMORE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2720 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP E3 606 |
| Legal Subdivision | TAMALPAIS PARK |
| Legal Lot Number | 278 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 127000 |
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 Company Names on Record |
|---|---|
| Mailing Address | 20 SYCAMORE AVE, MILL VALLEY, CA 94941-2720 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Feb 28, 2019 | Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA |
| May 8, 2020 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 30, 2013 · Amount on Record |
| Deed Sale | Aug 30, 2013 · Amount on Record |
| Deed Document Number | 201357445 |
| Prior Transfer Date | Oct 5, 1995 |
| Prior Transfer Doc | 0000047952 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 20 SYCAMORE AVE, MILL VALLEY, CA 94941-2720 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000005959 |
|---|---|
| Date | Feb 28, 2019 |
| Instrument | 2019-0005959 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.25% |
| Type Change Date | Mar 1, 2029 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 5.25% |
| Index | 1-Year LIBOR |
| Max Rate | 8.25% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 20 SYCAMORE AVE, MILL VALLEY, CA 94941-2720 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000018078 |
|---|---|
| Date | May 8, 2020 |
| Instrument | 2020-0018078 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.87% |
| Type Change Date | Jun 1, 2030 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 4.87% |
| Index | 1-Year LIBOR |
| Max Rate | 7.87% |
Source: Marin County assessment roll, as of July 13, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $5,608,117 (+2%) Land $2,500,640 Building $3,107,477 | |
| 2025 | $66,354.00 (+4.77%) | $5,498,170 (+4.42%) Land $2,451,620 Building $3,046,550 |
| 2023 | $63,335.00 (+4.43%) | $5,265,484 Land $2,356,440 Building $2,909,044 |
| 2022 | $60,651.00 |
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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 21 policies |
| Nearby Flood Policies | 21 in force |
| Nearby Flood Claims | 14 (1979–2005) |
| Claims Outside the SFHA | 5 of 14 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
| Claims by Event |
|
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 762 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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