Marin County property record for 309 Melrose Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,128 sqft · built 1942 |
| Lot Size | 0.147 acres (6,400 sqft) |
| Owner | Company Name on Record |
| Last Sale | $309,000 (Jun 1995) |
| Tax Bill | $12,492 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 048-031-14 |
| Primary APN | 048-031-14 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,128 sqft Living Area |
| Basement Area | 224 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Contemporary |
| Lot Area | 6,400 sqft (0.147 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 274 sqft |
| Patio Area | 274 sqft |
| Heating System | Central |
|---|
| Street Address | 309 MELROSE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3436 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT D |
| Legal Subdivision | WORLEY |
| Legal Lot Number | D |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 128200 |
Source: Marin County records, as of July 13, 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 | Company Name on Record |
|---|---|
| Mailing Address | 1581 ORANGE AVE, A, COSTA MESA, CA 92627-9403 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 16, 1995 · Amount on Record |
| Deed Sale | Jun 16, 1995 · Amount on Record |
| Deed Document Number | 199527428 |
| Record Updated | Oct 29, 2026 |
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 | $920,716 (+2%) Land $268,962 Building $651,754 | |
| 2025 | $12,492.00 (+5.55%) Homeowner's exemption | $902,664 (+4.04%) Land $263,689 Building $638,975 |
| 2023 | $11,835.00 (+4.01%) Homeowner's exemption | $867,616 Land $253,451 Building $614,165 |
| 2022 | $11,379.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Flood Insurance Cost | Premium on Record median of 17 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 17 in force |
| Nearby Flood Claims | 9 (1982–2017) |
| Claims Outside the SFHA | 7 of 9 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 65% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 389 locations within half a mile, as of December 31, 2025
| 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: Unwired, Verizon.
4G LTE only, no 5G reported
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