Marin County property record for 21 Sky Rd, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 7.5 ba · 7,580 sqft · built 1998 |
| Lot Size | 1.42 acres (62,290 sqft) |
| Owner | Company Name on Record |
| Last Sale | $5,400,000 (Jul 2008) |
| Tax Bill | $96,341 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-430-01 |
| Primary APN | 034-430-01 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 7.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 7,580 sqft Living Area |
| Basement Area | 1,169 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1998 |
| Architectural Style | Contemporary |
| Lot Area | 62,290 sqft |
| Garage Area | 680 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 943 sqft |
| Deck Area | 3,494 sqft |
| Patio Area | 3,494 sqft |
| Heating System | Radiant |
|---|
| Street Address | 21 SKY RD |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1614 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP H4 606 |
| Legal Lot Number | 1 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 124100 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 21 SKY RD, MILL VALLEY, CA 94941-1614 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 3, 2008 · Amount on Record |
| Deed Sale | Jul 3, 2008 · Amount on Record |
| Prior Sale | Jan 6, 1999 |
| Deed Document Number | 200831520 |
| Prior Transfer Date | Aug 21, 2002 |
| Prior Transfer Doc | 0000076237 |
| Record Updated | Sep 20, 2026 |
Source: Marin County assessment roll, as of July 13, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $8,377,726 (+2%) Land $4,990,996 Building $3,386,730 | |
| 2025 | $96,341.00 (+5.15%) | $8,213,478 (+4.04%) Land $4,893,146 Building $3,320,332 |
| 2023 | $91,625.00 (+3.67%) | $7,894,614 Land $4,703,184 Building $3,191,430 |
| 2022 | $88,380.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 17 (1980–2021) |
| Claims Outside the SFHA | 10 of 17 |
| Most Recent Claim | Dec 2021 · rainfall accumulation |
| 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 95% of the US · lower than 97% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 261 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks.
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