Marin County property record for 28 Lower Alcatraz Pl, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 2,260 sqft · built 1925 |
| Lot Size | 0.244 acres (10,617 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $7,303 (2025) |
| Deeds & Mortgages | Dec 2025 Transfer Jul 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-094-15 |
| Primary APN | 029-094-15 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 2,260 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Contemporary |
| Lot Area | 10,617 sqft (0.244 acres) |
| Garage Area | 198 sqft |
| Deck Area | 270 sqft |
| Patio Area | 270 sqft |
| Heating System | Central |
|---|
| Street Address | 28 LOWER ALCATRAZ PL |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1802 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 3 PG 82 PART OF LOT D |
| Legal Subdivision | SAUSALITO OR RICHARDSON RHO |
| Legal Lot Number | 3 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5007 |
| Census Tract | 127000 |
28 Lower Alcatraz Pl is owner-occupied and held in a trust since November 1995.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 28 LOWER ALCATRAZ PL, MILL VALLEY, CA 94941-1802 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Dec 12, 2025 | Intrafamily Transfer, Transfer |
| Jul 2, 2020 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Nov 28, 1995 |
| Transfer Doc | 0000059433 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 12, 2025 |
| Property Address | 28 LOWER ALCATRAZ PL, MILL VALLEY, CA 94941-1802 |
| Document Number | 0000031891 |
| Map Reference | VOL 3 PG 82 |
| Instrument Date | Dec 5, 2025 |
| Instrument | 2025-0031891 |
| Transaction Type | Transfer |
| Record Updated | Dec 26, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 28 LOWER ALCATRAZ PL, MILL VALLEY, CA 94941-1802 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 28 LOWER ALCATRAZ PL, MILL VALLEY, CA 94941-1802 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|
| Document Number | 0000028077 |
|---|---|
| Date | Jul 2, 2020 |
| Instrument | 2020-0028077 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 1, 2050 |
The 2025 property tax bill for 28 Lower Alcatraz Pl was $7,303.
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 | $462,042 (+2%) Land $177,095 Building $284,947 | |
| 2025 | $7,303.00 Homeowner's exemption | $452,985 Land $173,624 Building $279,361 |
| 2023 | $7,055.00 (+1.44%) Homeowner's exemption | $435,396 Land $166,882 Building $268,514 |
| 2022 | $6,955.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 28 Lower Alcatraz Pl in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 11 (1983–2017) |
| Claims Outside the SFHA | 4 of 11 |
| Most Recent Claim | Mar 2017 · river or lake flooding |
| 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.
Wildfire risk around 28 Lower Alcatraz Pl is low, with a 0.02% annual chance of wildfire.
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 | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 595 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile, Unwired.
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