San Mateo County property record for 840 N Mayfair Ave, Daly City, CA 94015
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 3 ba · 1,470 sqft · built 1953 |
| Lot Size | 0.082 acres (3,578 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $645,000 (Dec 2011) |
| Tax Bill | $10,054 (2025) |
| Deeds & Mortgages | Sep 2025 Line of Credit Jun 2022 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 002-082-630 |
| Primary APN | 002-082-630 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,470 sqft Living Area |
| Gross Area | 1,730 sqft |
| 1st Floor Area | 1,220 sqft |
| Basement Area | 510 sqft |
| Finished Basement | 250 sqft |
| Unfinished Basement | 260 sqft |
| Family Room | Family Room |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 3,578 sqft (0.082 acres) |
| Lot Dimensions | 100 ft deep x 35 ft wide |
| Garage Type | Basement |
| Garage Area | 260 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 840 N MAYFAIR AVE |
|---|---|
| City | DALY CITY |
| State | CA |
| Zip | 94015-3053 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10003 |
| Legal Description | LOT 29 BLOCK 52 WESTLAKE UNIT NO 5A RSM 35/12 CITY OF DALY CITY |
| Legal Subdivision | WESTLAKE UNIT NO 5A |
| Legal Block | 52 |
| Legal Lot Number | 29 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 600900 |
840 N Mayfair Ave is owner-occupied and held in a trust since December 2011.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 840 N MAYFAIR AVE, DALY CITY, CA 94015-3053 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Sep 4, 2025 | Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA NA |
| Jun 10, 2022 | Intrafamily Transfer, Transfer |
| Jun 30, 2021 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 16, 2011 · Amount on File |
| Deed Sale | Dec 16, 2011 · Amount on File |
| Prior Sale | Jun 29, 2011 · Amount on File |
| Deed Document Number | 2011156029 |
| Prior Transfer Date | Aug 19, 2005 |
| Prior Transfer Doc | 0000144385 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 840 N MAYFAIR AVE, DALY CITY, CA 94015-3053 |
| Transaction Type | Mortgage |
| Record Updated | Sep 29, 2025 |
| Name | Verified Name |
|---|---|
| Address | 840 N MAYFAIR AVE, DALY CITY, CA 94015-3053 |
| Document Number | 0000045715 |
|---|---|
| Date | Sep 4, 2025 |
| Instrument | 2025-045715 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Aug 22, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jun 10, 2022 |
| Property Address | 840 N MAYFAIR AVE, DALY CITY, CA 94015-3053 |
| Document Number | 0000047242 |
| Map Reference | MB 35 PG 12 |
| Instrument Date | May 26, 2022 |
| Instrument | 2022-047242 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 840 N MAYFAIR AVE, DALY CITY, CA 94015-3053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 840 N MAYFAIR AVE, DALY CITY, CA 94015-3053 |
| Transaction Type | Mortgage |
| Record Updated | Jul 20, 2021 |
| Title Company | WFG LENDER SERVICES |
| Name | Verified Name |
|---|
| Document Number | 0000099256 |
|---|---|
| Date | Jun 30, 2021 |
| Instrument | 2021-099256 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Jul 1, 2036 |
The 2025 property tax bill for 840 N Mayfair Ave was $10,054 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | Daly City |
| Elementary School District | Jefferson Elementary School District (KG - 08) |
| Secondary School District | Jefferson Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $826,346 (+2%) Land $413,173 Building $413,173 | ||
| 2025 | $10,054.00 Homeowner's exemption | $810,144 Land $405,072 Building $405,072 | |
| 2023 | $9,759.00 (+0.89%) | $778,688 Land $389,344 Building $389,344 | $1,183,410 |
| 2022 | $9,673.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 840 N Mayfair Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective September 10, 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 |
| Nearby Flood Claims | 2 (1978) |
| Most Recent Claim | Jan 1978 · tidal / storm surge |
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.
The area around 840 N Mayfair Ave 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF DALY CITY serves 102,593 people · EPA ID CA4110013 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jan 2025 |
| Lead | Under 1 ppb (2023–2025) 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.
Source: FCC Broadband Data Collection, based on 898 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 | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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