Marin County property record for 5 Ridge Ave, Mill Valley, CA 94941
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 3 ba · 4,001 sqft · built 1962 |
| Lot Size | 0.528 acres (23,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $9,787 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 046-151-40 |
| Primary APN | 046-151-40 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Units | 2 Units |
| Building Area | 4,001 sqft Living Area |
| Basement Area | 329 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Contemporary |
| Lot Area | 23,000 sqft (0.528 acres) |
| Garage Area | 1,366 sqft |
| Parking Spaces | 5 Parking Spaces |
| Deck Area | 949 sqft |
| Patio Area | 949 sqft |
| Heating System | Central |
|---|
| Street Address | 5 RIDGE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1708 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Subdivision | MARIN VIEW ACRES |
| Legal Lot Number | 31 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | BOLINAS |
| Census Block Group | 1 |
| Census Block | 1073 |
| Census Tract | 131100 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Listed Area | Within Dipsea Trail, The listed 2010 · 1 contributing resources · NRIS 10000356 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Marin County assessment roll, 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 | Company Name on File |
|---|---|
| Mailing Address | 5 RIDGE AVE, MILL VALLEY, CA 94941-1708 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jan 4, 2008 |
| Transfer Doc | 0000041709 |
| Record Updated | Sep 20, 2026 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| 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 | $824,892 (+2%) Land $66,779 Building $758,113 | |
| 2025 | $9,787.00 (+4.93%) Homeowner's exemption | $808,721 (+4.04%) Land $65,470 Building $743,251 |
| 2023 | $9,327.00 (+3.55%) Homeowner's exemption | $777,322 Land $62,928 Building $714,394 |
| 2022 | $9,007.00 |
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 D undetermined · not studied |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 5 (1982–2018) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Apr 2018 · rainfall accumulation |
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 | Moderate above 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 205 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Muir Beach LAN, Verizon.
5G (outdoors only) and 4G LTE
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