San Mateo County property record for 1633 Roberta Dr, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,688 sqft · built 1956 |
| Lot Size | 0.136 acres (5,914 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,868,000 (Jul 2025) |
| Tax Bill | $18,546 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 035-312-010 |
| Primary APN | 035-312-010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,688 sqft Living Area |
| 1st Floor Area | 1,400 sqft |
| Family Room | Family Room |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Lot Area | 5,914 sqft (0.136 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| View / Lot | Corner |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1633 ROBERTA DR |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-1026 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R106 |
| Legal Description | LOT 1 BLOCK 8 PARKSIDE UNIT NO 4 RSM 41/31 37 CITY OF SAN MATEO |
| Legal Subdivision | PARKSIDE UNIT NO 4 |
| Legal Block | 8 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 607800 |
Source: San Mateo County records · APN 035-312-010
Assessment roll updated July 15, 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 | 2 Company Names on File |
|---|---|
| Mailing Address | 1633 ROBERTA DR, SAN MATEO, CA 94403-1026 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 22, 2025 · Amount on Record |
| Deed Sale | Jul 22, 2025 · Amount on Record |
| Prior Sale | Aug 15, 2024 · Amount on Record |
| Deed Document Number | 202537394 |
| Prior Transfer Date | Nov 27, 2015 |
| Prior Transfer Doc | 0000127542 |
| Record Updated | Sep 20, 2026 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,868,000 (+23.71%) Land $982,000 Building $886,000 | ||
| 2025 | $18,546.00 (+545.53%) | $1,510,000 (+1,357.23%) Land $1,088,000 Building $422,000 | |
| 2023 | $2,873.00 (-2.18%) Homeowner's exemption | $103,621 Land $22,346 Building $81,275 | $1,616,670 |
| 2022 | $2,937.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), as of September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816078001, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X reduced by levee · depends on levee performance |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 29 policies |
| Nearby Flood Policies | 29 in force |
| Nearby Flood Claims | 5 (2010–2015) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Feb 2015 · rainfall accumulation |
| 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 · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Verizon.
Based on FCC filings for 856 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system CA4110008, 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.
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