Marin County property record for 318 Cardinal Ct, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,291 sqft · built 1952 |
| Lot Size | 0.158 acres (6,900 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,520,000 (Feb 2023) |
| Tax Bill | $24,080 (2025) |
| Deeds & Mortgages | Feb 2023 Sale & Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 052-041-06 |
| Primary APN | 052-041-06 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,291 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Contemporary |
| Lot Area | 6,900 sqft (0.158 acres) |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 318 CARDINAL CT |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3615 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | KAY PARK 04 |
| Legal Lot Number | 404 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 128100 |
318 Cardinal Ct is owned and occupied by two individuals who bought it in February 2023.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 318 CARDINAL CT, MILL VALLEY, CA 94941-3615 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Feb 7, 2023 · Amount on File |
| Deed Sale | Feb 7, 2023 · Amount on File |
| Deed Document Number | 20232181 |
| Prior Transfer Date | Dec 12, 2002 |
| Prior Transfer Doc | 0000031155 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Feb 7, 2023 |
| Property Address | 318 CARDINAL CT, MILL VALLEY, CA 94941-3615 |
| Document Number | 0000002181 |
| Map Reference | VOL 7 PG 55 |
| Instrument Date | Jan 31, 2023 |
| Instrument | 2023-0002181 |
| Transaction Type | Transfer |
| Record Updated | Feb 22, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,672.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 318 CARDINAL CT, MILL VALLEY, CA 94941-3615 |
| Document Number | 0000002182 |
|---|---|
| Date | Feb 7, 2023 |
| Instrument | 2023-0002182 |
| Name | PNC BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2053 |
The 2025 property tax bill for 318 Cardinal Ct was $24,080.
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Elementary School District | Mill Valley Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,610,901 (+2%) Land $955,080 Building $655,821 | |
| 2025 | $24,080.00 | $1,579,327 Land $936,360 Building $642,967 |
| 2023 | $7,533.00 (+0.51%) | $180,691 Land $54,425 Building $126,266 |
| 2022 | $7,495.00 |
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.
FEMA maps place 318 Cardinal Ct in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 88 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 88 in force |
| Nearby Flood Claims | 120 (1978–2026) |
| Claims Outside the SFHA | 13 of 120 |
| Most Recent Claim | Jan 2026 · 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.
Wildfire risk around 318 Cardinal Ct is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect 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 342 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 |
| AT&T DSL | 100 / 20 |
May also be available: T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures