Marin County property record for 258 Hillside Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 4,614 sqft · built 1971 |
| Lot Size | 0.26 acres (11,331 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $3,000,000 (Aug 2019) |
| Tax Bill | $42,976 (2025) |
| Deeds & Mortgages | Jun 2026 Line of Credit Mar 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-111-06 |
| Primary APN | 029-111-06 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 4,614 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Contemporary |
| Lot Area | 11,331 sqft (0.26 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 194 sqft |
| Patio Area | 194 sqft |
| Heating System | Central |
|---|
| Street Address | 258 HILLSIDE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1106 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | L34* /B1P85 M GARDNER TR ADDITIO |
| Legal Subdivision | GARDNER ADD |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 126100 |
Source: Marin County records · APN 029-111-06
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 Individual Names on File |
|---|---|
| Mailing Address | 258 HILLSIDE AVE, MILL VALLEY, CA 94941-1106 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Jun 09, 2026 | Deed of Trust, Mortgage · Line of Credit JPMORGAN CHASE BANK N A |
| Mar 25, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage FIRST REPUBLIC BANK |
| Aug 13, 2019 | Grant Deed, Transfer · ARM FIRST REPUBLIC BANK |
| Nov 14, 2018 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 13, 2019 · Amount on Record |
| Deed Sale | Aug 13, 2019 · Amount on Record |
| Prior Sale | Feb 09, 1999 · Amount on Record |
| Deed Document Number | 201928781 |
| Last Transfer Date | Mar 16, 2021 |
| Transfer Doc | 0000020150 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jun 09, 2026 |
| Property Address | 258 HILLSIDE AVE, MILL VALLEY, CA 94941-1106 |
| Document Number | 0000016967 |
| Instrument Date | Jun 04, 2026 |
| Instrument | 202616967 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Relationship | Community Property, 149 |
| Address | 258 HILLSIDE AVE, MILL VALLEY, CA 94941-1106 |
| Investor | Possibly a Property Investor |
| Document Number | 0000016967, |
|---|---|
| Date | Jun 09, 2026 |
| Instrument | 202616967 |
| Name | JPMORGAN CHASE BANK N A |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 12, 2056 |
| Rate | 6.37% |
|---|---|
| Max Rate | -1% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Mar 25, 2021 |
| Property Address | 258 HILLSIDE AVE, MILL VALLEY, CA 94941-1106 |
| Document Number | 0000020150 |
| Instrument Date | Mar 16, 2021 |
| Instrument | 2021-0020150 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 258 HILLSIDE AVE, MILL VALLEY, CA 94941-1106 |
| Document Number | 0000020151 |
|---|---|
| Date | Mar 25, 2021 |
| Instrument | 2021-0020151 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Aug 13, 2019 |
| Property Address | 258 HILLSIDE AVE, MILL VALLEY, CA 94941-1106 |
| Document Number | 0000028781 |
| Instrument Date | Aug 06, 2019 |
| Instrument | 2019-0028781 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Title Company | CAL LAND TITLE COMPANY |
| 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 |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 258 HILLSIDE AVE, MILL VALLEY, CA 94941-1106 |
| Document Number | 0000028782 |
|---|---|
| Date | Aug 13, 2019 |
| Instrument | 2019-0028782 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.35% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Sep 01, 2029 |
| Change Frequency | Monthly |
| Index | 1-Year CMT |
| Max Rate | 10.9% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Nov 14, 2018 |
| Property Address | 258 HILLSIDE AVE, MILL VALLEY, CA 94941-1106 |
| Document Number | 0000039262 |
| Instrument Date | Jun 16, 2016 |
| Instrument | 39262 |
| Transaction Type | Transfer |
| Record Updated | Nov 28, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 258 HILLSIDE AVE MILL VALLEY CA 949411106, MILL VALLEY, CA 94941-1106 |
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 | $3,480,686 (+2%) Land $1,805,994 Building $1,674,692 | |
| 2025 | $42,976.00 (+5.06%) | $3,412,445 (+4.04%) Land $1,770,586 Building $1,641,859 |
| 2023 | $40,906.00 (+2.24%) | $3,279,958 Land $1,701,844 Building $1,578,114 |
| 2022 | $40,010.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411261004, 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 |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 5 (1982–2009) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | Oct 2009, other causes |
| Wildfire Risk | Low above 32% of the US · above 19% of California |
|---|---|
| Wildfire Likelihood | About 1 in 3,704 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 301 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 |
May also be available at this address: Verizon, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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