Marin County property record for 123 Richardson Dr, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,186 sqft · built 1948 |
| Lot Size | 0.128 acres (5,580 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $5,482 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 043-043-02 |
| Primary APN | 043-043-02 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,186 sqft Living Area |
| Basement Area | 282 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Contemporary |
| Lot Area | 5,580 sqft (0.128 acres) |
| Garage Area | 286 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 235 sqft |
| Patio Area | 235 sqft |
| Street Address | 123 RICHARDSON DR |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2470 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 6 PG 21 LOT 77 |
| Legal Subdivision | STRAWBERRY HEIGHTS 01 SEC 01 |
| Legal Lot Number | 77 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 125000 |
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 | 123 RICHARDSON DR, MILL VALLEY, CA 94941-2470 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 17, 2015 |
| Transfer Doc | 0000030672 |
| Record Updated | Sep 20, 2026 |
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 | $367,112 (+2%) Land $118,081 Building $249,031 | |
| 2025 | $5,482.00 (+4.8%) Homeowner's exemption | $359,914 (+4.04%) Land $115,766 Building $244,148 |
| 2023 | $5,231.00 (+2.79%) Homeowner's exemption | $345,941 Land $111,272 Building $234,669 |
| 2022 | $5,089.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 3 (1986–2021) |
| Most Recent Claim | Dec 2021 · rainfall accumulation |
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 | 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 459 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures