11 Sonora Ct, Tiburon (Belvedere Tiburon), CA 94920 Property Records

Marin County property record for 11 Sonora Ct, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,948 sqft · built 1956
Lot Size	0.165 acres (7,200 sqft)
Owner	2 Individual Names on File
Last Sale	$1,167,500 (Oct 2011)
Tax Bill	$19,640 (2025)
Deeds & Mortgages	Nov 2021 Mortgage Nov 2017 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`055-101-07`

Property Details

APN / Parcel Number

Primary APN	`055-101-07`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,948 sqft Living Area
Basement Area	536 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1970
Architectural Style	Contemporary
Lot Area	7,200 sqft (0.165 acres)
Garage Area	525 sqft
Parking Spaces	2 Parking Spaces
Deck Area	720 sqft
Patio Area	915 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	11 SONORA CT
City	BELVEDERE TIBURON
State	CA
Zip	94920-1322
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	LITTLE REED HEIGHTS 04
Legal Lot Number	115
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	4
Census Block	4002
Census Tract	124200

Owner

11 Sonora Ct is owned and occupied by two individuals who acquired it in August 2013.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	11 SONORA CT, BELVEDERE TIBURON, CA 94920-1322
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 19, 2021	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC
Nov 29, 2017	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 7, 2011 · Amount on File
Deed Sale	Oct 7, 2011 · Amount on File
Deed Document Number	201150655
Last Transfer Date	Aug 24, 2013
Transfer Doc	0000057199
Record Updated	Oct 29, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	11 SONORA CT, TIBURON, CA 94920-1322
Transaction Type	Mortgage
Record Updated	Dec 1, 2021
Title Company	AMERICAN SW TITLE, AMERICAN COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 SONORA CT, BELVEDERE TIBURON, CA 94920-1322

Mortgage

Document Number	0000069371
Date	Nov 19, 2021
Instrument	2021-0069371

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company
Address	FOOTHILL RANCH, CA 92610

Agreement

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

November 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	11 SONORA CT, TIBURON, CA 94920-1322
Document Number	0000051056
Instrument Date	Nov 29, 2017
Transaction Type	Mortgage
Record Updated	Aug 29, 2018
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 SONORA CT TIBURON CA 949201322, TIBURON, CA 94920-1322

Mortgage

Document Number	0000051056
Date	Dec 22, 2017
Instrument	51056

Lender

Name	BANK OF AMERICA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 11 Sonora Ct was $19,640 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	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		$1,498,091 (+2%) Land $1,024,880 Building $473,211
2025	$19,640.00 Homeowner's exemption	$1,468,729 Land $1,004,792 Building $463,937
2023	$18,597.00 (+0.94%) Homeowner's exemption	$1,411,710 Land $965,784 Building $445,926
2022	$18,424.00

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

Flood

FEMA maps place 11 Sonora Ct in Zone X, an area of minimal flood risk, though there have been 8 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	9 in force
Nearby Flood Claims	8 (1980–2021)
Claims Outside the SFHA	8 of 8
Most Recent Claim	Feb 2021 · other causes
Claims by Event	Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 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

The area around 11 Sonora Ct has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within 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 116 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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