18 Lagoon Vista, Tiburon (Belvedere Tiburon), CA 94920 Property Records

Marin County property record for 18 Lagoon Vista, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,920 sqft · built 1985
Lot Size	0.16 acres (703 sqft)
Owner	2 Trust Names on File
Last Sale	$2,150,000 (Apr 2019)
Tax Bill	$29,822 (2025)
Deeds & Mortgages	Sep 2026 Transfer Apr 2019 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`059-390-16`

Property Details

APN / Parcel Number

Primary APN	`059-390-16`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Building Area	1,920 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1996
Architectural Style	Colonial
Lot Area	703 sqft (0.16 acres)
Garage Area	220 sqft
Parking Spaces	1 Parking Space
Deck Area	649 sqft
Patio Area	649 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	18 LAGOON VIS
City	BELVEDERE TIBURON
State	CA
Zip	94920-2550
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	L7 /B19P4 M POINT TIBURON
Legal Subdivision	POINT TIBURON
Legal Lot Number	7
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	2
Census Block	2003
Census Tract	124200

Owner

18 Lagoon Vista is owner-occupied and held in a trust since September 2026.

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

Owner of Record	2 Trust Names on File
Mailing Address	18 LAGOON VIS, BELVEDERE TIBURON, CA 94920-2550
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family 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
Sep 22, 2026	Affidavit of Death of Trustee, Transfer
Apr 30, 2019	Grant Deed, Transfer OLD REPUBLIC TITLE
Sep 11, 2017	Grant Deed, Transfer OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 30, 2019 · Amount on File
Deed Sale	Apr 30, 2019 · Amount on File
Prior Sale	Sep 11, 2017 · Amount on File
Deed Document Number	201914235
Last Transfer Date	Sep 15, 2026
Transfer Doc	0000027019
Record Updated	Oct 29, 2026

September 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	MARIN CA
Recording Date	Sep 22, 2026
Property Address	18 LAGOON VIS, BELVEDERE TIBURON, CA 94920-2550
Document Number	0000027019
Instrument Date	Sep 15, 2026
Instrument	202627019
Transaction Type	Transfer
Record Updated	Sep 29, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust

April 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Apr 30, 2019
Property Address	18 LAGOON VIS, TIBURON, CA 94920-2550
Document Number	0000014235
Instrument Date	Apr 5, 2019
Instrument	14235
Transaction Type	Transfer
Record Updated	May 13, 2019
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Tax	$2,365.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	18 LAGOON VIS TIBURON CA 949202550, TIBURON, CA 94920-2550

September 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Sep 11, 2017
Property Address	18 LAGOON VIS, TIBURON, CA 94920-2550
Document Number	0000036268
Instrument Date	Sep 7, 2017
Instrument	36268
Transaction Type	Transfer
Record Updated	Sep 22, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Tax	$2,090.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	PO BOX 5559 INCLINE VILLAGE NV 894505559, INCLINE VILLAGE, NV 89450-5559

Tax Assessment & Valuation

The 2025 property tax bill for 18 Lagoon Vista was $29,822.

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Tiburon Town
Elementary School District	Reed Union 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		$2,446,290 (+2%) Land $1,223,145 Building $1,223,145
2025	$29,822.00 Homeowner's exemption	$2,398,324 Land $1,199,162 Building $1,199,162
2023	$27,924.00 (+2.42%) Homeowner's exemption	$2,305,208 Land $1,152,604 Building $1,152,604
2022	$27,265.00

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

Flood

FEMA maps place 18 Lagoon Vista in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

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 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 10 policies
Nearby Flood Policies	10 in force
Nearby Flood Claims	1 (1978)
Most Recent Claim	Jan 1978 · tidal / storm surge

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 18 Lagoon Vista is low, with less than 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 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 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 433 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
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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