Marin County property record for 120 William Ave, Larkspur, CA 94939 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 2,978 sqft · built 1973 |
| Lot Size | 0.202 acres (8,800 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,150,000 (Nov 2001) |
| Tax Bill | $37,304 (2025) |
| Deeds & Mortgages | Dec 2025 Mortgage Apr 2022 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 021-104-10 |
| Primary APN | 021-104-10 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,978 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Roof Material | Tar & Gravel |
| Lot Area | 8,800 sqft (0.202 acres) |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 2,744 sqft |
| Patio Area | 2,744 sqft |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 120 WILLIAM AVE |
|---|---|
| City | LARKSPUR |
| State | CA |
| Zip | 94939-2028 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BLK H |
| Legal Subdivision | BALTIMORE PARK |
| Legal Block | H |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 3 |
| Census Block | 3021 |
| Census Tract | 120002 |
Source: Marin County records · APN 021-104-10
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 Individual Names on File |
|---|---|
| Mailing Address | 120 WILLIAM AVE, LARKSPUR, CA 94939-2028 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Dec 16, 2025 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Apr 07, 2022 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 28, 2001 · Amount on Record |
| Deed Sale | Nov 28, 2001 · Amount on Record |
| Prior Sale | Oct 01, 1996 · Amount on Record |
| Deed Document Number | 200179640 |
| Prior Transfer Date | Mar 23, 1998 |
| Prior Transfer Doc | 0000020614 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 120 WILLIAM AVE, LARKSPUR, CA 94939-2028 |
| Transaction Type | Mortgage |
| Record Updated | Jan 07, 2026 |
| Title Company | RADIAN TITLE INSURANCE INC |
| Name | Verified Name |
|---|---|
| Address | 120 WILLIAM AVE, LARKSPUR, CA 94939-2028 |
| Document Number | 0000032155 |
|---|---|
| Date | Dec 16, 2025 |
| Instrument | 2025-0032155 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2056 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 120 WILLIAM AVE, LARKSPUR, CA 94939-2028 |
| Transaction Type | Mortgage |
| Record Updated | Apr 20, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 120 WILLIAM AVE, LARKSPUR, CA 94939-2028 |
| Document Number | 0000014757 |
|---|---|
| Date | Apr 07, 2022 |
| Instrument | 2022-0014757 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 01, 2052 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Larkspur City |
| Elementary School District | Larkspur 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 | $3,145,404 (+6.47%) Land $1,277,555 Building $1,867,849 | |
| 2025 | $37,304.00 (+61.06%) Homeowner's exemption | $2,954,225 (+69.88%) Land $1,252,509 Building $1,701,716 |
| 2023 | $23,161.00 (+1.19%) Homeowner's exemption | $1,738,985 Land $1,203,882 Building $535,103 |
| 2022 | $22,888.00 |
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 X |
|---|---|
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| Wildfire Risk | Low above 34% of the US · above 20% of California |
|---|---|
| Wildfire Likelihood | About 1 in 3,333 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Historic District | Within the Larkspur Downtown Historic District listed 1982 · 42 contributing resources · NRIS 82000972 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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