San Mateo County property record for 610 Guildford Ave, San Mateo, CA 94402
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,180 sqft · built 1946 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,925 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 035-078-080 |
| Primary APN | 035-078-080 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Building Area | 1,180 sqft Living Area |
| 1st Floor Area | 1,180 sqft |
| Family Room | Family Room |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Lot Area | 4,500 sqft (0.103 acres) |
| Lot Dimensions | 90 ft deep x 50 ft wide |
| Garage Area | 260 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 610 GUILDFORD AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2170 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 49 BLOCK 25 SUNNYBRAE MAP NO 3 RSM 26/11 12 13 CITY OF SAN MATEO |
| Legal Subdivision | SUNNYBRAE MAP NO 3 |
| Legal Block | 25 |
| Legal Lot Number | 49 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 607600 |
Source: San Mateo County records · APN 035-078-080
Assessment roll updated July 15, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1525 CARLISLE DR, SAN MATEO, CA 94402-2158 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $96,762 (+2%) Land $29,949 Building $66,813 | ||
| 2025 | $2,925.00 (+6.91%) | $94,865 (+4.04%) Land $29,362 Building $65,503 | |
| 2023 | $2,736.00 (+2.51%) | $91,183 Land $28,223 Building $62,960 | $1,339,470 |
| 2022 | $2,669.00 |
Source: FEMA National Flood Hazard Layer as of September 10, 2026 · 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 X reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 2 (2010–2022) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| 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) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Radiate Holdings Cable · Fiber in parts of the area | 1,500 / 50 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Sonic Telecom, Unwired, Verizon.
Based on FCC filings for 797 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 | CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures