Marin County property record for 8 Dorset Ln, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,576 sqft · built 1953 |
| Lot Size | 0.147 acres (6,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,125,000 (Apr 2022) |
| Tax Bill | $29,647 (2025) |
| Deeds & Mortgages | Apr 2022 Sale & Mortgage |
| Flood Zone | Zone AO (high risk) |
| APN | 030-172-16 |
| Primary APN | 030-172-16 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,576 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Contemporary |
| Lot Area | 6,400 sqft (0.147 acres) |
| Garage Area | 360 sqft |
| Deck Area | 964 sqft |
| Patio Area | 964 sqft |
| Heating System | Central |
|---|
| Street Address | 8 DORSET LN |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1522 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 7 PG 84 LOT 4 |
| Legal Subdivision | SUTTON MANOR 01 |
| Legal Tract | 1 |
| Legal Lot Number | 4 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 126200 |
8 Dorset Ln is owned and occupied by two individuals who bought it in April 2022.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 8 DORSET LN, MILL VALLEY, CA 94941-1522 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Apr 4, 2022 · Amount on File |
| Deed Sale | Apr 4, 2022 · Amount on File |
| Prior Sale | May 14, 2002 · Amount on File |
| Deed Document Number | 202214394 |
| Prior Transfer Date | Jun 28, 2012 |
| Prior Transfer Doc | 0000041141 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Apr 4, 2022 |
| Property Address | 8 DORSET LN, MILL VALLEY, CA 94941-1522 |
| Document Number | 0000014394 |
| Map Reference | MB 7 PG 84 |
| Instrument Date | Mar 25, 2022 |
| Instrument | 2022-0014394 |
| Transaction Type | Transfer |
| Record Updated | Apr 20, 2022 |
| 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 | $2,337.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 8 DORSET LN, MILL VALLEY, CA 94941-1522 |
| Document Number | 0000014395 |
|---|---|
| Date | Apr 4, 2022 |
| Instrument | 2022-0014395 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.95% |
| Type Change Date | May 1, 2029 |
| Change Frequency | Annually |
| Min Rate At Change | 2.95% |
| Index | 1-Year CMT |
| Max Rate | 10.9% |
The 2025 property tax bill for 8 Dorset Ln was $29,647.
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 | $2,299,059 (+2%) Land $1,380,085 Building $918,974 | |
| 2025 | $29,647.00 | $2,253,988 Land $1,353,030 Building $900,958 |
| 2023 | $28,496.00 (+93.02%) | $2,166,480 Land $1,300,500 Building $865,980 |
| 2022 | $14,763.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 8 Dorset Ln in Zone AO, 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 AO high risk · sheet flow 1–3 ft |
|---|---|
| 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 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.
Wildfire risk around 8 Dorset Ln is low, with a 0.01% 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 | 0.01% annual chance |
| Exposure | None beyond 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 367 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Unwired.
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