556 Alta Way, Mill Valley, CA 94941 Property Records

Marin County property record for 556 Alta Way, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,094 sqft · built 1990
Lot Size	0.152 acres (6,600 sqft)
Owner	2 Trust Names on File
Last Sale	$955,000 (Aug 2004)
Tax Bill	$21,426 (2025)
Deeds & Mortgages	Jul 2017 Transfer Jul 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`049-041-35`

Property Details

APN / Parcel Number

Primary APN	`049-041-35`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Building Area	2,094 sqft Living Area
Basement Area	224 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Architectural Style	Contemporary
Lot Area	6,600 sqft (0.152 acres)
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces
Deck Area	298 sqft
Patio Area	330 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	556 ALTA WAY
City	MILL VALLEY
State	CA
Zip	94941-3900
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	GARDEN VLY PARK 01
Legal Block	2
Legal Lot Number	22
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	2
Census Block	2000
Census Tract	128100

Owner

556 Alta Way is owner-occupied and held in a trust since September 2016.

Source: Marin County records, as of July 13, 2026

Owner of Record	2 Trust Names on File
Mailing Address	556 ALTA WAY, MILL VALLEY, CA 94941-3900
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Living Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jul 12, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY
Jul 12, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 20, 2004 · Amount on File
Deed Sale	Aug 20, 2004 · Amount on File
Prior Sale	Mar 18, 1998 · Amount on File
Deed Document Number	200473579
Last Transfer Date	Sep 22, 2016
Transfer Doc	0000027702
Record Updated	Oct 29, 2026

July 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jul 12, 2017
Property Address	556 ALTA WAY, MILL VALLEY, CA 94941-3900
Document Number	0000027702
Instrument Date	Sep 22, 2016
Instrument	27702
Transaction Type	Transfer
Record Updated	Sep 28, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	556 ALTA WAY MILL VALLEY CA 949413900, MILL VALLEY, CA 94941-3900

July 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jul 12, 2017
Property Address	556 ALTA WAY, MILL VALLEY, CA 94941-3900
Document Number	0000027703
Instrument Date	Sep 22, 2016
Instrument	27703
Transaction Type	Transfer
Record Updated	Sep 28, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	556 ALTA WAY MILL VALLEY CA 949413900, MILL VALLEY, CA 94941-3900

Tax Assessment & Valuation

The 2025 property tax bill for 556 Alta Way was $21,426.

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,357,675 (+2%) Land $766,269 Building $591,406
2025	$21,426.00	$1,331,059 Land $751,247 Building $579,812
2023	$20,360.00 (+2.86%)	$1,279,384 Land $722,082 Building $557,302
2022	$19,794.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 556 Alta Way in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1982.

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
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	6 (1982–2019)
Claims Outside the SFHA	3 of 6
Most Recent Claim	Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 3 claims

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.

Wildfire

Wildfire risk around 556 Alta Way is low, with a 0.03% annual chance of wildfire.

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	0.03% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 496 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250

May also be available: T-Mobile, Unwired, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Alta Way

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