Marin County property record for 421 Maple St, Mill Valley, CA 94941 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1971 |
| Square Footage | 1,720 sqft Living Area |
| Lot Size | 6,000 sqft (0.138 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $715,000 (2011) |
| Tax Bill | $16,235.00 (2025) |
| Primary APN | 049-143-49 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Building Area | 1,720 sqft Living Area |
| Basement Area | 172 sqft Basement |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Contemporary Style |
| Lot Area | 6,000 sqft (0.138 acres) |
| Deck Area | 90 sqft Deck |
| Patio Area | 90 sqft Patio |
| Heating System | Central Heating |
|---|
| Street Address | 421 MAPLE ST |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3927 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LB /B3P130 OR |
| Legal Subdivision | TAMALPAIS VALLEY |
| Legal Lot Number | B |
| Jurisdiction | MARIN CA |
| Minor Civil Division | SOUTHEAST MARIN |
| Census Blockgroup | 3 |
| Census Block | 3008 |
| Census Tract | 128100 |
Source: Marin County records · APN 049-143-49
Assessment roll updated July 13, 2026 · Last verified August 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 | 421 MAPLE ST, MILL VALLEY, CA 94941-3927 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Family Trust |
| Date | Document |
|---|---|
| Dec 08, 2022 | Intrafamily Transfer, Transfer |
| Jan 13, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 01, 2011 · Amount on Record |
| Deed Sale | Nov 01, 2011 · Amount on Record |
| Deed Doc Number | 201155479 |
| Last Transfer Date | Nov 28, 2022 |
| Transfer Doc | 0000039709 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 08, 2022 |
| Property Address | 421 MAPLE ST, MILL VALLEY, CA 94941-3927 |
| Document Number | 0000039709 |
| Map Reference | MB 3 PG 130 |
| Instrument Date | Nov 28, 2022 |
| Instrument | 2022-0039709 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 421 MAPLE ST, MILL VALLEY, CA 94941-3927 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jan 13, 2021 |
| Property Address | 421 MAPLE ST, MILL VALLEY, CA 94941-3927 |
| Document Number | 0000002636 |
| Map Reference | MB 3 PG 130 |
| Instrument Date | Jan 07, 2021 |
| Instrument | 2021-0002636 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property (Marital Community) with Rights of Survivorship |
| Address | 421 MAPLE ST, MILL VALLEY, CA 94941-3927 |
| Document Number | 0000002637 |
|---|---|
| Date | Jan 13, 2021 |
| Instrument | 2021-0002637 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Feb 01, 2041 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified August 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $913,424 (+2%) Land $576,495 Building $336,929 | |
| 2025 | $16,235.00 (+6.65%) Homeowner's exemption | $895,520 (+4.04%) Land $565,195 Building $330,325 |
| 2023 | $15,222.00 (+2.65%) Homeowner's exemption | $860,754 Land $543,253 Building $317,501 |
| 2022 | $14,829.00 |
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 46% of the US · above 27% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,124 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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