528 Seaver Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 528 Seaver Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	1 bd · 1 ba · 756 sqft · built 1979
Lot Size	0.02 acres (864 sqft)
Owner	Individual Name on File
Last Sale	$640,000 (Nov 2021)
Tax Bill	$11,103 (2025)
Deeds & Mortgages	Nov 2021 Sale & Mortgage Nov 2021 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`030-331-28`

Property Details

APN / Parcel Number

Primary APN	`030-331-28`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Building Area	756 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1981
Architectural Style	Colonial
Lot Area	864 sqft (0.02 acres)
Deck Area	48 sqft
Patio Area	48 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	528 SEAVER DR
City	MILL VALLEY
State	CA
Zip	94941-2265
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP G4 606
Legal Subdivision	SHELTER RDG CONDOS
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3002
Census Tract	126200

Owner

528 Seaver Dr is owned and occupied by an individual who bought it in November 2021.

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

Owner of Record	Individual Name on File
Mailing Address	528 SEAVER DR, MILL VALLEY, CA 94941-2265
Occupancy	Owner Occupied
Owner Type	Individual

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
Nov 12, 2021	Grant Deed, Transfer · Conventional Mortgage US BANK NA
Nov 12, 2021	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Sep 6, 2019	Deed of Trust, Mortgage · Conventional Mortgage MASON MCDUFFIE MORTGAGE CORP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 12, 2021 · Amount on File
Deed Sale	Nov 12, 2021 · Amount on File
Prior Sale	Nov 12, 2021 · Amount on File
Deed Document Number	202168315
Record Updated	Oct 29, 2026

November 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Nov 12, 2021
Property Address	528 SEAVER DR, MILL VALLEY, CA 94941-2265
Document Number	0000068315
Map Reference	VOL 16 PG 52
Instrument Date	Oct 21, 2021
Instrument	2021-0068315
Transaction Type	Transfer
Record Updated	Nov 24, 2021
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$704.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	2600 DALLAS PKWY STE 550, 2600, FRISCO, TX 75034-7494

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	528 SEAVER DR, MILL VALLEY, CA 94941-2265

Mortgage

Document Number	0000068316
Date	Nov 12, 2021
Instrument	2021-0068316

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2051

November 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Nov 12, 2021
Property Address	528 SEAVER DR, MILL VALLEY, CA 94941-2265
Document Number	0000068314
Map Reference	VOL 16 PG 52
Instrument Date	Aug 18, 2021
Instrument	2021-0068314
Transaction Type	Transfer
Record Updated	Nov 24, 2021
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Tax	$704.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2600 DALLAS PKWY STE 550, 550, FRISCO, TX 75034-7494
Investor	Possibly a Property Investor

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	528 SEAVER DR, MILL VALLEY, CA 94941-2265
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000032354
Date	Sep 6, 2019
Instrument	2019-0032354

Lender

Name	MASON MCDUFFIE MORTGAGE CORP
Type	Mortgage Company
Address	SAN RAMON, CA 94583

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Sep 1, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 528 Seaver Dr was $11,103 with a homeowner's exemption.

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

Property Jurisdictions

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)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$692,748 (+2%) Land $243,544 Building $449,204
2025	$11,103.00 Homeowner's exemption	$679,168 Land $238,770 Building $440,398
2023	$10,629.00 (+5.45%) Homeowner's exemption	$652,800 Land $229,500 Building $423,300
2022	$10,080.00

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

Flood

FEMA maps place 528 Seaver Dr in Zone X, an area of minimal flood risk, though there have been 18 flood claims nearby since 1980.

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 Policies	1 in force
Nearby Flood Claims	18 (1980–2005)
Claims Outside the SFHA	2 of 18
Most Recent Claim	Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides
Claims by Event	Coastal Storms, Floods, Slides & Tornadoes, Jan 1983 · 3 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 4 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 528 Seaver Dr is low, with a 0.01% 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	0.01% annual chance
Exposure	None beyond ember reach

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

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 473 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

May also be available: AT&T, Etheric Networks, T-Mobile.

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