Marin County property record for 40 S Knoll Rd, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 907 sqft · built 1951 |
| Lot Size | 0.253 acres (11,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,075,000 (Oct 2026) |
| Tax Bill | $4,606 (2025) |
| Deeds & Mortgages | Oct 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 043-062-06 |
| Primary APN | 043-062-06 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 907 sqft Living Area |
| Basement Area | 153 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Contemporary |
| Lot Area | 11,000 sqft (0.253 acres) |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 40 S KNOLL RD |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2410 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 125000 |
40 S Knoll Rd is owned and occupied by two individuals who bought it in October 2026.
Source: Marin County records, as of October 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 40 S KNOLL RD, MILL VALLEY, CA 94941-2410 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 5, 2026 · Amount on File |
| Deed Sale | Oct 5, 2026 · Amount on File |
| Deed Document Number | 202628507 |
| Prior Transfer Date | Dec 29, 2011 |
| Prior Transfer Doc | 0000007070 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Oct 5, 2026 |
| Property Address | 40 S KNOLL RD, MILL VALLEY, CA 94941-2410 |
| Document Number | 0000028507 |
| Instrument Date | Sep 29, 2026 |
| Instrument | 202628507 |
| Transaction Type | Transfer |
| Record Updated | Oct 14, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN |
| Amount | Amount on Record |
|---|---|
| Tax | $119,432.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 40 S KNOLL RD, MILL VALLEY, CA 94941-2410 |
The 2025 property tax bill for 40 S Knoll Rd was $4,606.
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 | $101,902 (+2%) Land $46,262 Building $55,640 | |
| 2025 | $4,606.00 | $99,904 Land $45,355 Building $54,549 |
| 2023 | $4,331.00 (+2.85%) | $96,025 Land $43,594 Building $52,431 |
| 2022 | $4,211.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 40 S Knoll Rd in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1986.
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.
Wildfire risk around 40 S Knoll Rd 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 337 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Unwired, Verizon.
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