Marin County property record for 223 Diviso St, Tiburon, CA 94920
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,906 sqft · built 1939 |
| Lot Size | 0.121 acres (5,250 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,300,000 (Sep 2003) |
| Tax Bill | $30,407 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 059-131-07 |
| Primary APN | 059-131-07 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,906 sqft Living Area |
| Basement Area | 285 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 5,250 sqft (0.121 acres) |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 889 sqft |
| Patio Area | 889 sqft |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 223 DIVISO ST |
|---|---|
| City | BELVEDERE TIBURON |
| State | CA |
| Zip | 94920-1921 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 |
| Legal Subdivision | LYFORDS HYGEIA |
| Legal Lot Number | 1 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3018 |
| Census Tract | 124200 |
223 Diviso St is owned and occupied by an individual who acquired it in May 2006.
Source: Marin County records, as of July 13, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 223 DIVISO ST, BELVEDERE TIBURON, CA 94920-1921 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 24, 2003 · Amount on File |
| Deed Sale | Sep 24, 2003 · Amount on File |
| Deed Document Number | 2003118050 |
| Last Transfer Date | May 4, 2006 |
| Transfer Doc | 0000029859 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 223 Diviso St was $30,407 with a homeowner's exemption.
Source: Marin County assessment roll, as of July 13, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,500,640 (+2%) Land $1,500,384 Building $1,000,256 | |
| 2025 | $30,407.00 Homeowner's exemption | $2,451,620 Land $1,470,972 Building $980,648 |
| 2023 | $28,480.00 (+2.39%) Homeowner's exemption | $2,356,440 Land $1,413,864 Building $942,576 |
| 2022 | $27,814.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 223 Diviso St in Zone X, an area of minimal flood risk, though there have been 14 flood claims nearby since 1982.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 32 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 37 units insured incl. 5 condo units |
| Nearby Flood Claims | 14 (1982–2026) |
| Claims Outside the SFHA | 7 of 14 |
| Most Recent Claim | Jan 2026 · tidal / storm surge |
| 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.
The area around 223 Diviso St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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