Marin County property record for 533 Comstock Dr, Tiburon, CA 94920
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 2,797 sqft · built 1952 |
| Lot Size | 0.241 acres (10,507 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $10,251 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-082-20 |
| Primary APN | 055-082-20 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,797 sqft Living Area |
| Basement Area | 56 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 10,507 sqft (0.241 acres) |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 30 sqft |
| Patio Area | 30 sqft |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 533 COMSTOCK DR |
|---|---|
| City | BELVEDERE TIBURON |
| State | CA |
| Zip | 94920-1309 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 7 PG 48 UNIT 2 LOT 25 |
| Legal Subdivision | LITTLE REED HEIGHTS 02 |
| Legal Lot Number | 25 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 124200 |
Source: Marin County records, 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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 533 COMSTOCK DR, BELVEDERE TIBURON, CA 94920-1309 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Nov 1, 2012 |
| Transfer Doc | 0000068585 |
| Record Updated | Sep 20, 2026 |
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 | $728,048 (+2%) Land $232,442 Building $495,606 | |
| 2025 | $10,251.00 (+5.83%) Homeowner's exemption | $713,774 (+4.04%) Land $227,885 Building $485,889 |
| 2023 | $9,686.00 (+0.38%) Homeowner's exemption | $686,061 Land $219,037 Building $467,024 |
| 2022 | $9,649.00 |
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 X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 8 (1980–2021) |
| Claims Outside the SFHA | 8 of 8 |
| Most Recent Claim | Feb 2021 · other causes |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 311 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 |
May also be available: Etheric Networks, Verizon.
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