San Mateo County property record for 18 Hilltop Rd, San Mateo, CA 94402
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,330 sqft · built 1917 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $600,000 (Apr 2000) |
| Tax Bill | $12,675 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 032-072-040 |
| Primary APN | 032-072-040 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Building Area | 1,330 sqft Living Area |
| 1st Floor Area | 1,330 sqft |
| Family Room | Family Room |
| Year Built | Built 1917 |
|---|---|
| Effective Year Built | Effective 1917 |
| Lot Area | 4,500 sqft (0.103 acres) |
| Lot Dimensions | 100 ft deep x 45 ft wide |
| Garage Area | 190 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 18 HILLTOP RD |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-1147 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10010 |
| Legal Description | LOT 4 BLOCK 2 ELY 5 FT OF LOT 5 BLOCK 2 SUB OF LOTS 32 & 35 SAN MATEO PARK RSM 5/31 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO PARK |
| Legal Block | 2 |
| Legal Lot Number | 32 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 605800 |
Source: San Mateo County records, as of July 15, 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 Record |
|---|---|
| Mailing Address | 18 HILLTOP RD, SAN MATEO, CA 94402-1147 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 14, 2000 · Amount on Record |
| Deed Sale | Apr 14, 2000 · Amount on Record |
| Deed Document Number | 200042840 |
| Last Transfer Date | Jun 10, 2009 |
| Transfer Doc | 0000081677 |
| Record Updated | Sep 20, 2026 |
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 | $940,604 (+2%) Land $470,302 Building $470,302 | ||
| 2025 | $12,675.00 (+2.36%) Homeowner's exemption | $922,162 (+4.04%) Land $461,081 Building $461,081 | |
| 2023 | $12,383.00 (+0.02%) Homeowner's exemption | $886,356 Land $443,178 Building $443,178 | $1,262,430 |
| 2022 | $12,380.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 713 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| 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 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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