Marin County property record for 20 Una Way, Mill Valley, CA 94941
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 4 ba · 2,099 sqft · built 1967 |
| Lot Size | 0.163 acres (7,129 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,320,000 (Jan 2022) |
| Tax Bill | $18,853 (2025) |
| Deeds & Mortgages | Nov 2025 Line of Credit Jan 2022 Sale & Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-181-07 |
| Primary APN | 028-181-07 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Units | 2 Units |
| Building Area | 2,099 sqft Living Area |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Duplex Single |
| Lot Area | 7,129 sqft (0.163 acres) |
| Deck Area | 319 sqft |
| Patio Area | 439 sqft |
| Heating System | Central |
|---|
| Street Address | 20 UNA WAY |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2718 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | L5* / |
| Legal Subdivision | SCHLINGMAN 02 |
| Legal Lot Number | 5 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 127000 |
Source: Marin County records, as of July 13, 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 Record |
|---|---|
| Mailing Address | 20 UNA WAY, MILL VALLEY, CA 94941-2718 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Nov 3, 2025 | Deed of Trust, Mortgage · Line of Credit FIRST TECHNOLOGY FEDERAL CU |
| Jan 13, 2022 | Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK |
| Jan 28, 2021 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE |
| Jan 11, 2021 | Deed of Trust, Mortgage C 2005 TRUST (IT) |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 13, 2022 · Amount on Record |
| Deed Sale | Jan 13, 2022 · Amount on Record |
| Deed Document Number | 20221764 |
| Prior Transfer Date | Jan 25, 2021 |
| Prior Transfer Doc | 0000005823 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 20 UNA WAY, MILL VALLEY, CA 94941-2718 |
| Transaction Type | Mortgage |
| Record Updated | Nov 27, 2025 |
| Name | Verified Name |
|---|---|
| Address | 20 UNA WAY, MILL VALLEY, CA 94941-2718 |
| Document Number | 0000028173 |
|---|---|
| Date | Nov 3, 2025 |
| Instrument | 2025-0028173 |
| Name | FIRST TECHNOLOGY FEDERAL CU |
|---|---|
| Type | Credit Union |
| Address | HILLSBORO, OR 97124 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 25, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jan 13, 2022 |
| Property Address | 20 UNA WAY, MILL VALLEY, CA 94941-2718 |
| Document Number | 0000001764 |
| Map Reference | VOL 2 PG 51 |
| Instrument Date | Jan 4, 2022 |
| Instrument | 2022-0001764 |
| Transaction Type | Transfer |
| Record Updated | Jan 31, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,452.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20 UNA WAY, MILL VALLEY, CA 94941-2718 |
| Document Number | 0000001765 |
|---|---|
| Date | Jan 13, 2022 |
| Instrument | 2022-0001765 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2052 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jan 28, 2021 |
| Property Address | 20 UNA WAY, MILL VALLEY, CA 94941-2718 |
| Document Number | 0000005823 |
| Instrument Date | Jan 25, 2021 |
| Instrument | 5823 |
| Transaction Type | Transfer |
| Record Updated | Feb 10, 2021 |
| Title Company | OLD REPUBLIC TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | PO BOX 370711 MONTARA CA 940370711, MONTARA, CA 94037-0711 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 20 UNA WAY, MILL VALLEY, CA 94941-2718 |
| Document Number | 0000005824 |
| Instrument Date | Jan 11, 2021 |
| Transaction Type | Mortgage |
| Record Updated | Feb 10, 2021 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | PO BOX 370711 MONTARA CA 940370711, MONTARA, CA 94037-0711 |
| Document Number | 0000005824 |
|---|---|
| Date | Jan 28, 2021 |
| Instrument | 5824 |
| Name | C 2005 TRUST (IT) |
|---|
| Amount | Amount Recorded |
|---|
Source: Marin County assessment roll, as of July 13, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,342,653 (+7.3%) Land $854,807 Building $487,846 | |
| 2025 | $18,853.00 (+6.69%) Homeowner's exemption | $1,251,336 (+4.04%) Land $838,052 Building $413,284 |
| 2023 | $17,670.00 (+127.12%) Homeowner's exemption | $1,202,759 Land $805,519 Building $397,240 |
| 2022 | $7,780.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 21 policies |
| Nearby Flood Policies | 21 in force |
| Nearby Flood Claims | 14 (1979–2005) |
| Claims Outside the SFHA | 5 of 14 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
| 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 762 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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