Marin County property record for 651 Northern Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 3,212 sqft · built 1946 |
| Lot Size | 0.482 acres (21,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $21,306 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 049-121-05 |
| Primary APN | 049-121-05 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 3,212 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Contemporary |
| Lot Area | 21,000 sqft (0.482 acres) |
| Garage Area | 615 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 191 sqft |
| Patio Area | 191 sqft |
| Heating System | Central |
|---|
| Street Address | 651 NORTHERN AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3990 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | REC OF SURVEY 2 PG 85 LOT 10 |
| Legal Subdivision | LITTLE CITY FARMS |
| Legal Block | 1 |
| Legal Lot Number | 10 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 128100 |
Source: Marin County records · APN 049-121-05
Assessment roll updated July 13, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 651 NORTHERN AVE, MILL VALLEY, CA 94941-3990 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jul 06, 1998 |
| Transfer Doc | 0000072292 |
| Record Updated | Sep 20, 2026 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,307,177 (+2%) Land $512,778 Building $794,399 | |
| 2025 | $21,306.00 (+9.82%) Homeowner's exemption | $1,281,546 (+4.04%) Land $502,723 Building $778,823 |
| 2023 | $19,400.00 (-1.36%) Homeowner's exemption | $1,231,786 Land $483,203 Building $748,583 |
| 2022 | $19,667.00 |
Source: FEMA National Flood Hazard Layer as of October 18, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 | 6 (1982–2019) |
| Claims Outside the SFHA | 3 of 6 |
| Most Recent Claim | Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Moderate above 52% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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: T-Mobile USA, Unwired, Verizon.
Based on FCC filings for 496 locations within half a mile of this property.
5G and 4G LTE (outdoors only)
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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