Marin County property record for 10 Olive Ave, Ross, CA 94957
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 1,462 sqft · built 1922 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $9,477 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 073-171-07 |
| Primary APN | 073-171-07 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,462 sqft Living Area |
| Basement Area | 216 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1937 |
| Architectural Style | Contemporary |
| Lot Area | 7,500 sqft (0.172 acres) |
| Deck Area | 148 sqft |
| Patio Area | 148 sqft |
| Heating System | Central |
|---|
| Street Address | 10 OLIVE AVE |
|---|---|
| City | ROSS |
| State | CA |
| Zip | 94957 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 2 PG 10 LOT 17 |
| Legal Lot Number | 17 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 118100 |
Source: Marin County records · APN 073-171-07
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 Company Names on File |
|---|---|
| Mailing Address | 178 COMMONWEALTH AVE, SAN FRANCISCO, CA 94118-2604 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jun 06, 1997 |
| Transfer Doc | 0000031251 |
| Record Updated | Sep 20, 2026 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Ross Town |
| Elementary School District | Ross 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 | $373,113 (+2%) Land $219,404 Building $153,709 | |
| 2025 | $9,477.00 (+4.87%) | $365,797 (+4.04%) Land $215,102 Building $150,695 |
| 2023 | $9,037.00 (+7.05%) | $351,594 Land $206,750 Building $144,844 |
| 2022 | $8,442.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 130 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 130 in force |
| Nearby Flood Claims | 229 (1980–2025) |
| Claims Outside the SFHA | 17 of 229 |
| Most Recent Claim | Apr 2025 · other causes |
| Claims by Event |
|
| Wildfire Risk | Moderate above 43% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Unwired.
Based on FCC filings for 247 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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