Marin County property record for 520 Summit Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 1986 |
| Square Footage | 5,559 sqft Living Area |
| Lot Size | 1.13 acres |
| Occupancy | Owner Occupied |
| Last Sale | $3,100,000 (1999) |
| Tax Bill | $58,578.00 (2025) |
| Primary APN | 027-071-35 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Building Area | 5,559 sqft Living Area |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1986 |
| Lot Area | 49,600 sqft |
| Parking Spaces | 3 Parking Spaces |
| Garage Area | 873 sqft Garage |
| Pool Area | 528 sqft Pool |
| Deck Area | 2,604 sqft Deck |
| Patio Area | 2,604 sqft Patio |
| Heating System | Central Heating |
|---|
| Street Address | 520 SUMMIT AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1082 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Jurisdiction | MARIN CA |
| Minor Civil Division | SOUTHEAST MARIN |
| Census Blockgroup | 5 |
| Census Block | 5000 |
| Census Tract | 127000 |
Source: Marin County records · APN 027-071-35
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 | 520 SUMMIT AVE, MILL VALLEY, CA 94941-1082 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 15, 1999 · Amount on Record |
| Deed Sale | Mar 15, 1999 · Amount on Record |
| Deed Doc Number | 199920104 |
| Last Transfer Date | Mar 19, 2008 |
| Transfer Doc | 0000014177 |
| Record Refreshed | Sep 20, 2026 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Mill Valley City |
| 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 | $4,956,776 (+2%) Land $3,357,816 Building $1,598,960 | |
| 2025 | $58,578.00 (+5%) Homeowner's exemption | $4,859,590 (+4.04%) Land $3,291,981 Building $1,567,609 |
| 2023 | $55,786.00 (+3.85%) Homeowner's exemption | $4,670,924 Land $3,164,175 Building $1,506,749 |
| 2022 | $53,717.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Moderate above 40% of the US · above 24% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,587 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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