Marin County property record for 19 Throckmorton Ln, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,607 sqft · built 1961 |
| Lot Size | 0.251 acres (10,918 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $3,327,000 (Aug 2021) |
| Tax Bill | $44,001 (2025) |
| Deeds & Mortgages | Aug 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 027-172-15 |
| Primary APN | 027-172-15 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,607 sqft Living Area |
| Basement Area | 84 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Contemporary |
| Lot Area | 10,918 sqft (0.251 acres) |
| Garage Area | 588 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 588 sqft |
| Patio Area | 588 sqft |
| Heating System | Central |
|---|
| Street Address | 19 THROCKMORTON LN |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1736 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | TAMALPAIS LAND & WATER CO |
| Legal Lot Number | 281 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 127000 |
19 Throckmorton Ln is owned and occupied by two individuals who bought it in August 2021.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 19 THROCKMORTON LN, MILL VALLEY, CA 94941-1736 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | Aug 16, 2021 · Amount on File |
| Deed Sale | Aug 16, 2021 · Amount on File |
| Deed Document Number | 202151805 |
| Prior Transfer Date | Apr 21, 1995 |
| Prior Transfer Doc | 0000025521 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Aug 16, 2021 |
| Property Address | 19 THROCKMORTON LN, MILL VALLEY, CA 94941-1736 |
| Document Number | 0000051805 |
| Instrument Date | Aug 6, 2021 |
| Instrument | 2021-0051805 |
| Transaction Type | Transfer |
| Record Updated | Sep 1, 2021 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $3,659.70 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 19 THROCKMORTON LN, MILL VALLEY, CA 94941-1736 |
| Document Number | 0000051806 |
|---|---|
| Date | Aug 16, 2021 |
| Instrument | 2021-0051806 |
| Name | PNC BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2051 |
The 2025 property tax bill for 19 Throckmorton Ln was $44,001.
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 | $3,601,211 (+2%) Land $2,164,840 Building $1,436,371 | |
| 2025 | $44,001.00 | $3,530,612 Land $2,122,400 Building $1,408,212 |
| 2023 | $42,228.00 (+4.32%) | $3,393,540 Land $2,040,000 Building $1,353,540 |
| 2022 | $40,479.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 19 Throckmorton Ln in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2005.
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 File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 2 (2005–2007) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | May 2007 · other causes |
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 19 Throckmorton Ln is moderate, ranking above 40% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.07% 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 340 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Unwired, Verizon.
5G and 4G LTE (outdoors only)
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