18 Sonora Way, Corte Madera, CA 94925 Property Records

Marin County property record for 18 Sonora Way, Corte Madera, CA 94925

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,042 sqft · built 1958
Lot Size	0.226 acres (9,828 sqft)
Owner	2 Company Names on Record
Last Sale	$1,462,500 (Jul 2019)
Tax Bill	$20,537 (2025)
Deeds & Mortgages	May 2022 Mortgage Jul 2019 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`026-142-35`

Property Details

APN / Parcel Number

Primary APN	`026-142-35`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Building Area	3,042 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1995
Architectural Style	Contemporary
Lot Area	9,828 sqft (0.226 acres)
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces
Deck Area	1,024 sqft
Patio Area	1,024 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	18 SONORA WAY
City	CORTE MADERA
State	CA
Zip	94925-2018
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	MARIN ESTATES
Legal Lot Number	198
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	3
Census Block	3007
Census Tract	121200

Owner

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	2 Company Names on Record
Mailing Address	18 SONORA WAY, CORTE MADERA, CA 94925-2018
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
May 9, 2022	Intrafamily Transfer, Transfer · Conventional Mortgage BANK OF AMERICA NA
Jul 26, 2019	Grant Deed, Transfer GUARANTEED RATE
Sep 5, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 26, 2019 · Amount on Record
Deed Sale	Jul 26, 2019 · Amount on Record
Deed Document Number	201926358
Last Transfer Date	Apr 26, 2022
Transfer Doc	0000018941
Record Updated	Sep 20, 2026

May 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	May 9, 2022
Property Address	18 SONORA WAY, CORTE MADERA, CA 94925-2018
Document Number	0000018941
Map Reference	MB 8 PG 110
Instrument Date	Apr 26, 2022
Instrument	2022-0018941
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	BOSTON NATIONAL TITLE

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Revocable Trust
Address	18 SONORA WAY, CORTE MADERA, CA 94925-2018

Mortgage

Document Number	0000018942
Date	May 9, 2022
Instrument	2022-0018942

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2052

July 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jul 26, 2019
Property Address	18 SONORA WAY, CORTE MADERA, CA 94925-2018
Document Number	0000026358
Instrument Date	Jul 17, 2019
Instrument	26358
Transaction Type	Transfer
Record Updated	Aug 7, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,608.75
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	18 SONORA WAY CORTE MADERA CA 949252018, CORTE MADERA, CA 94925-2018

Mortgage

Document Number	26359
Date	Jul 26, 2019
Instrument	26359

Lender

Name	GUARANTEED RATE
Address	3940 N RAVENSWOOD AVE, CHICAGO, IL 60613-2420

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jul 25, 2049

September 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Sep 5, 2018
Property Address	18 SONORA WAY, CORTE MADERA, CA 94925-2018
Document Number	0000031253
Instrument Date	Aug 16, 2018
Instrument	31253
Transaction Type	Transfer
Record Updated	Oct 3, 2018
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	Revocable Trust
Address	18 SONORA WAY CORTE MADERA CA 949252018, CORTE MADERA, CA 94925-2018

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Corte Madera 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		$1,720,658 (+2%) Land $1,003,950 Building $716,708
2025	$20,537.00 (+7.19%) Homeowner's exemption	$1,686,923 (+4.04%) Land $984,267 Building $702,656
2023	$19,159.00 (+1.18%) Homeowner's exemption	$1,621,429 Land $946,053 Building $675,376
2022	$18,935.00

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

Flood

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 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 57 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	57 in force
Nearby Flood Claims	6 (1982–2017)
Claims Outside the SFHA	3 of 6
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, And Mudslides, Feb 2017 · 3 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 2 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

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

Wildfire Risk	Low lower than 96% of the US · lower than 97.4% 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 185 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks, Verizon.

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