Marin County property record for 144 Bolsa Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,166 sqft · built 1961 |
| Lot Size | 0.266 acres (11,600 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,288,000 (Jul 2012) |
| Tax Bill | $19,501 (2025) |
| Deeds & Mortgages | Sep 2022 Transfer Sep 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-072-33 |
| Primary APN | 029-072-33 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,166 sqft Living Area |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Contemporary |
| Lot Area | 11,600 sqft (0.266 acres) |
| Garage Area | 342 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 665 sqft |
| Patio Area | 665 sqft |
| Heating System | Central |
|---|
| Street Address | 144 BOLSA AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1143 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 19,20 |
| Legal Subdivision | SUNNY HEIGHTS ADDS |
| Legal Lot Number | 19,20 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 126100 |
Source: Marin County records · APN 029-072-33
Assessment roll updated July 13, 2026 · Last verified August 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 | 144 BOLSA AVE, MILL VALLEY, CA 94941-1143 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
| Date | Document |
|---|---|
| Sep 29, 2022 | Intrafamily Transfer, Transfer |
| Sep 29, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 10, 2012 · Amount on Record |
| Deed Sale | Jul 10, 2012 · Amount on Record |
| Prior Sale | Sep 16, 1994 · Amount on Record |
| Deed Document Number | 201241372 |
| Last Transfer Date | Sep 19, 2022 |
| Transfer Doc | 0000033735 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Sep 29, 2022 |
| Property Address | 144 BOLSA AVE, MILL VALLEY, CA 94941-1143 |
| Document Number | 0000033734 |
| Map Reference | VOL 3 PG 28 |
| Instrument Date | Sep 19, 2022 |
| Instrument | 2022-0033734 |
| Transaction Type | Transfer |
| Record Updated | Oct 12, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 144 BOLSA AVE, MILL VALLEY, CA 94941-1143 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Sep 29, 2022 |
| Property Address | 144 BOLSA AVE, MILL VALLEY, CA 94941-1143 |
| Document Number | 0000033735 |
| Map Reference | VOL 3 PG 28 |
| Instrument Date | Sep 19, 2022 |
| Instrument | 2022-0033735 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 144 BOLSA AVE, MILL VALLEY, CA 94941-1143 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified August 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,617,728 (+2%) Land $879,200 Building $738,528 | |
| 2025 | $19,501.00 (+4.04%) Homeowner's exemption | $1,586,017 (+4.04%) Land $861,966 Building $724,051 |
| 2023 | $18,744.00 (+3.87%) Homeowner's exemption | $1,524,438 Land $828,499 Building $695,939 |
| 2022 | $18,046.00 |
Source: FEMA National Flood Hazard Layer as of October 18, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 5 (1982–2009) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | Oct 2009 · other causes |
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile USA, Verizon.
Based on FCC filings for 301 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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