Marin County property record for 27 S Knoll Rd, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,000 sqft · built 1951 |
| Lot Size | 0.236 acres (10,281 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $4,692 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 043-021-20 |
| Primary APN | 043-021-20 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,000 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Contemporary |
| Lot Area | 10,281 sqft (0.236 acres) |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 240 sqft |
| Patio Area | 240 sqft |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 27 S KNOLL RD |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2464 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 125000 |
27 S Knoll Rd is owned by a company that acquired it in November 2002.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 41 BAY VISTA DR, MILL VALLEY, CA 94941-1604 |
| Owner Type | Company |
| Vesting | Borrower in Default |
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 Transfer Date | Nov 20, 2002 |
| Transfer Doc | 0000115559 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 27 S Knoll Rd was $4,692.
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 | $108,779 (+2%) Land $46,262 Building $62,517 | |
| 2025 | $4,692.00 | $106,646 Land $45,355 Building $61,291 |
| 2023 | $4,413.00 (+2.87%) | $102,506 Land $43,594 Building $58,912 |
| 2022 | $4,290.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 27 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 27 S Knoll Rd is low, with less than 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 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 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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