Marin County property record for 307 Lowell Ave, Mill Valley, CA 94941 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,500 sqft · built 1964 |
| Lot Size | 0.149 acres (6,500 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $2,510,000 (Feb 2022) |
| Tax Bill | $38,296 (2025) |
| Deeds & Mortgages | Feb 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-112-36 |
| Primary APN | 050-112-36 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 2,500 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Contemporary |
| Lot Area | 6,500 sqft (0.149 acres) |
| Deck Area | 1,094 sqft |
| Patio Area | 1,094 sqft |
| Heating System | Central |
|---|
| Street Address | 307 LOWELL AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3897 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 128100 |
Source: Marin County records · APN 050-112-36
Assessment roll updated July 13, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 307 LOWELL AVE, MILL VALLEY, CA 94941-3897 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 10, 2022 · Amount on Record |
| Deed Sale | Feb 10, 2022 · Amount on Record |
| Prior Sale | Dec 08, 2011 · Amount on Record |
| Deed Document Number | 20225302 |
| Prior Transfer Date | Sep 06, 2016 |
| Prior Transfer Doc | 0000041174 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Feb 10, 2022 |
| Property Address | 307 LOWELL AVE, MILL VALLEY, CA 94941-3897 |
| Document Number | 0000005302 |
| Instrument Date | Feb 02, 2022 |
| Instrument | 2022-0005302 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $2,761.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 307 LOWELL AVE, MILL VALLEY, CA 94941-3897 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified August 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 | $2,716,874 (+2%) Land $1,742,696 Building $974,178 | |
| 2025 | $38,296.00 (+5.8%) | $2,663,612 (+4.04%) Land $1,708,532 Building $955,080 |
| 2023 | $36,195.00 (+53.16%) | $2,560,200 Land $1,642,200 Building $918,000 |
| 2022 | $23,632.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411281001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 4 (1982–1998) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Apr 1998, tidal / storm surge, Severe Winter Storms And Flooding |
| Wildfire Risk | Low above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| 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, availability as of December 31, 2025 · Published October 2026 · based on 707 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: T-Mobile USA, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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