Marin County property record for 50 Underhill Rd, Mill Valley, CA 94941
| Property Type | Commercial |
|---|---|
| Details | 6,053 sqft · built 1972 |
| Lot Size | 5 acres (217,819 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $52,517 (2025) |
| Deeds & Mortgages | May 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 033-181-29 |
| Primary APN | 033-181-29 |
|---|
| Building Area | 6,053 sqft Gross Area |
|---|
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 217,819 sqft |
| Street Address | 50 UNDERHILL RD |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1438 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Subdivision | SCOFF VLY UN 3 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 126200 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 50 UNDERHILL RD, MILL VALLEY, CA 94941-1438 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | May 21, 2019 |
| Property Address | 50 UNDERHILL RD, MILL VALLEY, CA 94941-1438 |
| Instrument Date | May 16, 2019 |
| Instrument | 17317 |
| Transaction Type | Mortgage |
| Record Updated | May 31, 2019 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 50 UNDERHILL RD MILL VALLEY CA 949411438, MILL VALLEY, CA 94941-1438 |
| Document Number | 0000017317 |
|---|---|
| Date | May 21, 2019 |
| Instrument | 17317 |
| Name | FIRST REPUBLIC BK |
|---|---|
| Type | Bank |
| Address | 111 PINE ST, SAN FRANCISCO, CA 94111-5602 |
| Amount | Amount Recorded |
|---|
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Mill Valley City |
| 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 | $3,448,503 (+2.11%) Land $160,378 Building $3,288,125 | |
| 2025 | $52,517.00 (-2%) | $3,377,242 (+15.45%) Land $157,233 Building $3,220,009 |
| 2023 | $65,645.00 (+5.59%) | $2,925,203 Land $151,127 Building $2,774,076 |
| 2022 | $62,167.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 86 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 108 units insured incl. 22 condo units |
| Nearby Flood Claims | 9 (1982–2019) |
| Claims Outside the SFHA | 1 of 9 |
| Most Recent Claim | Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 192 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: AT&T, T-Mobile.
5G and 4G LTE (outdoors only)
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