Marin County property record for 26 Key Largo Course, Corte Madera, CA 94925
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,632 sqft · built 1957 |
| Lot Size | 0.176 acres (7,650 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,079,000 (Nov 2015) |
| Tax Bill | $15,690 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 026-171-25 |
| Primary APN | 026-171-25 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,632 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Contemporary |
| Lot Area | 7,650 sqft (0.176 acres) |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 228 sqft |
| Patio Area | 252 sqft |
| Heating System | Central |
|---|
| Street Address | 26 KEY LARGO CRSE |
|---|---|
| City | CORTE MADERA |
| State | CA |
| Zip | 94925-1854 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 9 PG 99 LOT 25 |
| Legal Subdivision | MARINER COVE |
| Legal Lot Number | 25 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 121200 |
Source: Marin County records · APN 026-171-25
Assessment roll updated July 13, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 26 KEY LARGO CRSE, CORTE MADERA, CA 94925-1854 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 10, 2015 · Amount on Record |
| Deed Sale | Nov 10, 2015 · Amount on Record |
| Prior Sale | Apr 23, 2002 · Amount on Record |
| Deed Document Number | 201553388 |
| Prior Transfer Date | Oct 19, 2011 |
| Prior Transfer Doc | 0000055722 |
| Record Updated | Sep 20, 2026 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026
| 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,302,827 (+2%) Land $875,394 Building $427,433 | |
| 2025 | $15,690.00 (+7.98%) Homeowner's exemption | $1,277,287 (+4.04%) Land $858,233 Building $419,054 |
| 2023 | $14,530.00 (+0.57%) Homeowner's exemption | $1,227,696 Land $824,912 Building $402,784 |
| 2022 | $14,448.00 |
Source: FEMA National Flood Hazard Layer as of October 18, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 Record 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 |
|
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: AT&T, Verizon.
Based on FCC filings for 652 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2019–2021) action level 15 ppb |
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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