Marin County property record for 623 Biscayne Dr, San Rafael, CA 94901
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 5,726 sqft · built 1989 |
| Lot Size | 0.496 acres (21,625 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $2,515,000 (Mar 2012) |
| Tax Bill | $40,504 (2025) |
| Deeds & Mortgages | Mar 2022 Mortgage Apr 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 186-552-08 |
| Primary APN | 186-552-08 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 5,726 sqft Living Area |
| Basement Area | 292 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Contemporary |
| Lot Area | 21,625 sqft (0.496 acres) |
| Garage Area | 744 sqft |
| Parking Spaces | 3 Parking Spaces |
| Pool Area | 880 sqft |
| Deck Area | 2,443 sqft |
| Patio Area | 2,443 sqft |
| Heating System | Central |
|---|
| Street Address | 623 BISCAYNE DR |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94901-8324 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | L15 /B20P28 M PEACOCK ESTATES |
| Legal Subdivision | PEACOCK ESTATES |
| Legal Lot Number | 15 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 110200 |
623 Biscayne Dr is owner-occupied and held in a trust since January 2021.
Source: Marin County records, as of August 27, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 623 BISCAYNE DR, SAN RAFAEL, CA 94901-8324 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 16, 2022 | Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK |
| Apr 24, 2020 | Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK |
| Jan 26, 2021 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 8, 2012 · Amount on File |
| Deed Sale | Mar 8, 2012 · Amount on File |
| Prior Sale | Jul 28, 1995 · Amount on File |
| Deed Document Number | 201214785 |
| Last Transfer Date | Jan 14, 2021 |
| Transfer Doc | 0000004998 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 623 BISCAYNE DR, SAN RAFAEL, CA 94901-8324 |
| Transaction Type | Mortgage |
| Record Updated | Mar 30, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 623 BISCAYNE DR, SAN RAFAEL, CA 94901-8324 |
| Document Number | 0000010161 |
|---|---|
| Date | Mar 16, 2022 |
| Instrument | 2022-0010161 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Mar 26, 2047 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 623 BISCAYNE DR, SAN RAFAEL, CA 94901-8324 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | OLD REPUBLIC TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0000016199 |
|---|---|
| Date | Apr 24, 2020 |
| Instrument | 2020-0016199 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jan 26, 2021 |
| Property Address | 623 BISCAYNE DR, SAN RAFAEL, CA 94901-8324 |
| Document Number | 0000004998 |
| Instrument Date | Jan 14, 2021 |
| Instrument | 4998 |
| Transaction Type | Transfer |
| Record Updated | Feb 8, 2021 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 623 BISCAYNE DR SAN RAFAEL CA 949018324, SAN RAFAEL, CA 94901-8324 |
The 2025 property tax bill for 623 Biscayne Dr was $40,504 with a homeowner's exemption.
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | San Rafael City |
| Elementary School District | San Rafael City Elementary School District (KG - 08) |
| Secondary School District | San Rafael City High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $3,132,963 (+2%) Land $1,281,100 Building $1,851,863 | |
| 2025 | $40,504.00 Homeowner's exemption | $3,071,555 Land $1,255,990 Building $1,815,565 |
| 2023 | $38,357.00 (+6.23%) Homeowner's exemption | $2,952,311 Land $1,207,230 Building $1,745,081 |
| 2022 | $36,107.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 623 Biscayne Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 89 policies |
| Nearby Flood Policies | 89 in force |
| Nearby Flood Claims | 19 (1982–2019) |
| Claims Outside the SFHA | 7 of 19 |
| Most Recent Claim | Feb 2019 · rainfall accumulation |
| 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.
Wildfire risk around 623 Biscayne Dr is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 63% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 112 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T.
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