33 Key Largo Course, Corte Madera, CA 94925 Property Records

Marin County property record for 33 Key Largo Course, Corte Madera, CA 94925

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,452 sqft · built 1959
Lot Size	0.3 acres (13,050 sqft)
Owner	Individual Name on File
Last Sale	$2,000,000 (May 2024)
Tax Bill	$8,630 (2025)
Deeds & Mortgages	Mar 2023 Line of Credit Mar 2022 Mortgage + 2 more
Flood Zone	Zone AE (high risk)
APN	`026-171-17`

Property Details

APN / Parcel Number

Primary APN	`026-171-17`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,452 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Architectural Style	Contemporary
Lot Area	13,050 sqft (0.3 acres)
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	33 KEY LARGO CRSE
City	CORTE MADERA
State	CA
Zip	94925-1830
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 17
Legal Subdivision	MARINER COVE
Legal Lot Number	17
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	1
Census Block	1000
Census Tract	121200

Owner

33 Key Largo Course is owned and occupied by an individual who bought it in May 2024.

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

Owner of Record	Individual Name on File
Mailing Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830
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
Mar 13, 2023	Deed of Trust, Mortgage · Line of Credit SAN FRANCISCO FIRE CU
Mar 28, 2022	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Aug 4, 2021	Deed of Trust, Mortgage · Line of Credit SAN FRANCISCO FIRE CU
Apr 12, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 14, 2024 · Amount on File
Deed Sale	May 14, 2024 · Amount on File
Prior Sale	Nov 23, 1993 · Amount on File
Deed Document Number	202413484
Prior Transfer Date	Aug 6, 1997
Prior Transfer Doc	0000043580
Record Updated	Oct 29, 2026

March 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830
Transaction Type	Mortgage
Record Updated	Apr 11, 2023
Title Company	CHICAGO TITLE PIRT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830

Mortgage

Document Number	0000005025
Date	Mar 13, 2023
Instrument	2023-0005025

Lender

Name	SAN FRANCISCO FIRE CU
Type	Credit Union
Address	SAN FRANCISCO, CA 94118

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	300 Months
Due	Mar 6, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830
Transaction Type	Mortgage
Record Updated	Apr 13, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830

Mortgage

Document Number	0000013276
Date	Mar 28, 2022
Instrument	2022-0013276

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2052

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830
Transaction Type	Mortgage
Record Updated	Aug 19, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830

Mortgage

Document Number	0000049768
Date	Aug 4, 2021
Instrument	2021-0049768

Lender

Name	SAN FRANCISCO FIRE CU
Type	Credit Union
Address	SAN FRANCISCO, CA 94118

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	299 Months
Due	Jul 23, 2046

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Apr 12, 2021
Property Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830
Document Number	0000024646
Map Reference	VOL 9 PG 99
Instrument Date	Mar 16, 2021
Instrument	2021-0024646
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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
Address	33 KEY LARGO CRSE, CORTE MADERA, CA 94925-1830

Mortgage

Document Number	0000024647
Date	Apr 12, 2021
Instrument	2021-0024647

Lender

Name	SIERRA PACIFIC MORTGAGE CO INC
Type	Mortgage Company

Agreement

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

Tax Assessment & Valuation

The 2025 property tax bill for 33 Key Largo Course was $8,630 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	Corte Madera Town
Elementary School District	Larkspur 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		$507,926 (+2%) Land $268,698 Building $239,228
2025	$8,630.00 Homeowner's exemption	$497,967 Land $263,430 Building $234,537
2023	$7,753.00 (+1.31%) Homeowner's exemption	$478,632 Land $253,201 Building $225,431
2022	$7,653.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 33 Key Largo Course in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 149 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	149 in force
Nearby Flood Claims	44 (1982–2026)
Claims Outside the SFHA	21 of 44
Most Recent Claim	Jan 2026 · tidal / storm surge
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 2 claims Severe Winter Storms And Flooding, Feb 1998 · 5 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

The area around 33 Key Largo Course 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 652 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
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, Verizon.

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