Marin County property record for 255 Round Hill Rd, Tiburon, CA 94920 · Last verified July 2026
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 0.393 acres (17,100 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,900,000 (May 2025) |
| Tax Bill | $2,312 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-202-04 |
| Primary APN | 039-202-04 |
|---|
| Lot Area | 17,100 sqft (0.393 acres) |
|---|
| Street Address | 255 ROUND HILL RD |
|---|---|
| City | BELVEDERE TIBURON |
| State | CA |
| Zip | 94920-1519 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Legal Subdivision | SMITHRIDGE ESTATES |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 124200 |
Source: Marin County records · APN 039-202-04
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 | Company Name on File |
|---|---|
| Mailing Address | 1401 21ST ST, R, SACRAMENTO, CA 95811-5226 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 12, 2025 · Amount on Record |
| Deed Sale | May 12, 2025 · Amount on Record |
| Deed Document Number | 202512653 |
| 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 | Tiburon Town |
| Elementary School District | Reed Union Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,938,000 (+4,172.96%) Land $1,938,000 | |
| 2025 | $2,312.00 (+12.07%) | $45,355 (+4.04%) Land $45,355 |
| 2023 | $2,063.00 (+1.98%) | $43,594 Land $43,594 |
| 2022 | $2,023.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411242001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 6 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| 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, availability as of December 31, 2025 · Published October 2026 · based on 131 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
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