Marin County property record for 258 Miller Ave, Mill Valley, CA 94941
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 4,386 sqft · built 1944 |
| Lot Size | 0.238 acres (10,350 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $32,989 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-186-08 |
| Primary APN | 028-186-08 |
|---|
| Units | 6 Units |
|---|---|
| Building Area | 4,386 sqft Living Area |
| Year Built | Built 1944 |
|---|---|
| Effective Year Built | Effective 1944 |
| Architectural Style | Multi-Family |
| Lot Area | 10,350 sqft (0.238 acres) |
| Street Address | 258 MILLER AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2835 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Subdivision | TAMALPAIS LAND & WATER CO MAP |
| Legal Lot Number | 76 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 126100 |
Source: Marin County records · APN 028-186-08
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 | 50 BRIARWOOD DR, SAN RAFAEL, CA 94901-1407 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jan 07, 2010 |
| Transfer Doc | 0000003053 |
| Record Updated | Sep 20, 2026 |
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 | $2,166,390 (+2%) Land $1,379,091 Building $787,299 | |
| 2025 | $32,989.00 (+5.32%) | $2,123,964 (+4.03%) Land $1,352,053 Building $771,911 |
| 2023 | $31,323.00 (+4.76%) | $2,041,601 Land $1,299,564 Building $742,037 |
| 2022 | $29,901.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 61 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 69 units insured incl. 8 condo units |
| Nearby Flood Claims | 43 (1979–2024) |
| Claims Outside the SFHA | 6 of 43 |
| Most Recent Claim | Dec 2024 · river or lake flooding |
| Claims by Event |
|
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 · 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 USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 762 locations within half a mile of this property.
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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