San Mateo County property record for 274 Delmar Way, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,120 sqft · built 1936 |
| Lot Size | 0.124 acres (5,392 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,850,000 (Aug 2026) |
| Tax Bill | $4,234 (2025) |
| Deeds & Mortgages | Aug 2026 Sale Aug 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-343-230 |
| Primary APN | 039-343-230 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 2,120 sqft Living Area |
| Gross Area | 2,680 sqft |
| 1st Floor Area | 1,700 sqft |
| 2nd Floor Area | 240 sqft |
| Basement Area | 560 sqft |
| Family Room | Family Room |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1936 |
| Lot Area | 5,392 sqft (0.124 acres) |
| Lot Dimensions | 107 ft deep x 50 ft wide |
| Garage Type | Basement |
| Garage Area | 560 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 274 DELMAR WAY |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2313 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R106 |
| Legal Description | LOT 24 BLOCK 3 SAN MATEO TERRACE RSM 19/73 74 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO TERRACE |
| Legal Block | 3 |
| Legal Lot Number | 24 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 607400 |
274 Delmar Way is owned and occupied by two individuals who bought it in August 2026.
Source: San Mateo County records, as of September 22, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2848 ALVARADO AVE, SAN MATEO, CA 94403-3440 |
| 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.
| Date | Document |
|---|---|
| Aug 21, 2026 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Aug 21, 2026 | Affidavit of Death of Trustee, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 21, 2026 · Amount on File |
| Deed Sale | Aug 21, 2026 · Amount on File |
| Deed Document Number | 202647743 |
| Prior Transfer Date | Aug 14, 2026 |
| Prior Transfer Doc | 0000047742 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Aug 21, 2026 |
| Property Address | 274 DELMAR WAY, SAN MATEO, CA 94403-2313 |
| Document Number | 0000047743 |
| Instrument Date | Aug 17, 2026 |
| Instrument | 202647743 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2026 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $316,635.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 2848 ALVARADO AVE, SAN MATEO, CA 94403-3440 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Aug 21, 2026 |
| Property Address | 274 DELMAR WAY, SAN MATEO, CA 94403-2313 |
| Document Number | 0000047742 |
| Instrument Date | Aug 14, 2026 |
| Instrument | 202647742 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 1010 ALAMEDA DE LAS PULGAS, BELMONT, CA 94002-3508 |
The 2025 property tax bill for 274 Delmar Way was $4,234 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 | San Mateo City |
| Elementary School District | San Mateo-Foster City Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $159,280 (+2%) Land $36,266 Building $123,014 | ||
| 2025 | $4,234.00 Homeowner's exemption | $156,157 Land $35,555 Building $120,602 | |
| 2023 | $3,781.00 (+10.49%) Homeowner's exemption | $150,095 Land $34,175 Building $115,920 | $2,484,180 |
| 2022 | $3,422.00 |
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 274 Delmar Way in Zone X, an area of minimal flood risk, though there have been 4 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 Policies | 1 in force |
| Nearby Flood Claims | 4 (1978–1986) |
| Most Recent Claim | Feb 1986 · Severe Storms & 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.
The area around 274 Delmar Way 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 | CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | 4 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 799 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.
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