Marin County property record for 34 Underhill Rd, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,846 sqft · built 1963 |
| Lot Size | 0.467 acres (20,361 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $950,000 (Apr 1998) |
| Tax Bill | $19,081 (2025) |
| Deeds & Mortgages | Jan 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 033-161-05 |
| Primary APN | 033-161-05 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,846 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 20,361 sqft (0.467 acres) |
| Garage Area | 419 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 761 sqft |
| Heating System | Central |
|---|
| Street Address | 34 UNDERHILL RD |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1456 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | SCOTT VALLEY |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 34 UNDERHILL RD, MILL VALLEY, CA 94941-1456 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 9, 1998 · Amount on Record |
| Deed Sale | Apr 9, 1998 · Amount on Record |
| Deed Document Number | 199823232 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 34 UNDERHILL RD, MILL VALLEY, CA 94941-1456 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2021 |
| Title Company | OLD REPUBLIC TITLE RESIDENTI |
| Name | Verified Name |
|---|
| Document Number | 0000003395 |
|---|---|
| Date | Jan 25, 2017 |
| Instrument | 2017-0003395 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | WESTMONT, IL 60559 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.75% |
| Type Change Date | Feb 1, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 4.75% |
| Index | 1-Year LIBOR |
| Max Rate | 7.75% |
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 | $1,530,864 (+2%) Land $735,303 Building $795,561 | |
| 2025 | $19,081.00 (+4.73%) Homeowner's exemption | $1,500,849 (+4.04%) Land $720,886 Building $779,963 |
| 2023 | $18,220.00 (+1.9%) Homeowner's exemption | $1,442,579 Land $692,898 Building $749,681 |
| 2022 | $17,881.00 |
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 65% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 105 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.
5G (outdoors only) and 4G LTE
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