Marin County property record for 427 Summit Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 3,485 sqft · built 1947 |
| Lot Size | 0.465 acres (20,250 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $3,237,000 (Apr 2019) |
| Tax Bill | $45,642 (2025) |
| Deeds & Mortgages | Apr 2022 Transfer Apr 2019 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 027-144-11 |
| Primary APN | 027-144-11 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 3,485 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Roof Material | Tar & Gravel |
| Lot Area | 20,250 sqft (0.465 acres) |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 424 sqft |
| Patio Area | 424 sqft |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 427 SUMMIT AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1083 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP C2 606 |
| Legal Subdivision | TAMALPAIS LAND & WATER CO |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5001 |
| Census Tract | 127000 |
Source: Marin County records · APN 027-144-11
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 427 SUMMIT AVE, MILL VALLEY, CA 94941-1083 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Date | Document |
|---|---|
| Apr 04, 2022 | Intrafamily Transfer, Transfer |
| Apr 05, 2019 | Grant Deed, Transfer · ARM FIRST REPUBLIC BANK |
| Dec 28, 2017 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 05, 2019 · Amount on Record |
| Deed Sale | Apr 05, 2019 · Amount on Record |
| Prior Sale | Dec 27, 2013 · Amount on Record |
| Deed Document Number | 201911049 |
| Prior Transfer Date | Jan 27, 2011 |
| Prior Transfer Doc | 0000007978 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Apr 04, 2022 |
| Property Address | 427 SUMMIT AVE, MILL VALLEY, CA 94941-1083 |
| Document Number | 0000014364 |
| Instrument Date | Mar 22, 2022 |
| Instrument | 2022-0014364 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 427 SUMMIT AVE, MILL VALLEY, CA 94941-1083 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Apr 05, 2019 |
| Property Address | 427 SUMMIT AVE, MILL VALLEY, CA 94941-1083 |
| Document Number | 0000011049 |
| Instrument Date | Mar 27, 2019 |
| Instrument | 2019-0011049 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 427 SUMMIT AVE, MILL VALLEY, CA 94941-1083 |
| Document Number | 0000011050 |
|---|---|
| Date | Apr 05, 2019 |
| Instrument | 2019-0011050 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.12% |
| Type Change Date | May 01, 2026 |
| Change Frequency | Annually |
| Min Rate At Change | 2.95% |
| Max Rate At Change | 10.9% |
| Index | 1-Year CMT |
| Max Rate | 10.9% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 28, 2017 |
| Property Address | 427 SUMMIT AVE, MILL VALLEY, CA 94941-1083 |
| Document Number | 0000051624 |
| Instrument Date | Dec 21, 2017 |
| Instrument | 51624 |
| Transaction Type | Transfer |
| Record Updated | Jan 18, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 427 SUMMIT AVE MILL VALLEY CA 949411083, MILL VALLEY, CA 94941-1083 |
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 | $3,775,814 (+2.64%) Land $2,093,570 Building $1,682,244 | |
| 2025 | $45,642.00 (+4.91%) Homeowner's exemption | $3,678,642 (+6.06%) Land $2,052,520 Building $1,626,122 |
| 2023 | $43,506.00 (+4.27%) Homeowner's exemption | $3,468,534 Land $1,972,829 Building $1,495,705 |
| 2022 | $41,724.00 |
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 | Low above 34% of the US · above 20% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,381 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
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