Contra Costa County property record for 41 Mayo Ln, Walnut Creek, CA 94597
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,709 sqft · built 1954 |
| Lot Size | 0.301 acres (13,125 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,000,000 (Jun 2026) |
| Tax Bill | $4,838 (2025) |
| Deeds & Mortgages | Jun 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 171-180-028-2 |
| Primary APN | 171-180-028-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,709 sqft Living Area |
| 1st Floor Area | 1,709 sqft |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Lot Area | 13,125 sqft (0.301 acres) |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 41 MAYO LN |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-2601 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R8 |
| Legal Description | LARKEY RANCH SUBN #2 POR LOT 21 |
| Legal Subdivision | LARKEY RANCH SUB |
| Legal Lot Number | 21 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 340001 |
41 Mayo Ln is owned and occupied by an individual who bought it in June 2026.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 41 MAYO LN, WALNUT CREEK, CA 94597-2601 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 15, 2026 · Amount on File |
| Deed Sale | Jun 15, 2026 · Amount on File |
| Deed Document Number | 202662433 |
| Prior Transfer Date | Jun 6, 2012 |
| Prior Transfer Doc | 0000139265 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 15, 2026 |
| Property Address | 41 MAYO LN, WALNUT CREEK, CA 94597-2601 |
| Document Number | 0000062433 |
| Instrument Date | Jun 9, 2026 |
| Instrument | 202662433 |
| Transaction Type | Transfer |
| Record Updated | Jun 22, 2026 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $111,100.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 41 MAYO LN, WALNUT CREEK, CA 94597-2601 |
| Document Number | 0000062434, |
|---|---|
| Date | Jun 15, 2026 |
| Instrument | 202662434 |
| Name | CORNERSTONE MORTGAGE INC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.3% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
The 2025 property tax bill for 41 Mayo Ln was $4,838.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $372,706 (+2%) Land $239,232 Building $133,474 | |
| 2025 | $4,838.00 Homeowner's exemption | $365,399 Land $234,542 Building $130,857 |
| 2023 | $4,633.00 (+0.89%) Homeowner's exemption | $351,213 Land $225,436 Building $125,777 |
| 2022 | $4,592.00 |
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.
FEMA maps place 41 Mayo Ln in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1980.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · 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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (1980–1998) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 risk around 41 Mayo Ln 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 99.8% of the US · lower than 99.8% 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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, 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.
Source: FCC Broadband Data Collection, based on 520 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Sonic Telecom.
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