San Mateo County property record for 508 Middlesex Rd, Belmont, CA 94002
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,400 sqft · built 1953 |
| Lot Size | 0.116 acres (5,047 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $390,000 (Aug 1999) |
| Tax Bill | $8,960 (2025) |
| Deeds & Mortgages | Mar 2021 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 040-272-130 |
| Primary APN | 040-272-130 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,400 sqft Living Area |
| 1st Floor Area | 1,010 sqft |
| Family Room | Family Room |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 5,047 sqft (0.116 acres) |
| Lot Dimensions | 90 ft deep x 56 ft wide |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 508 MIDDLESEX RD |
|---|---|
| City | BELMONT |
| State | CA |
| Zip | 94002-2527 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 7 BLOCK 16 STERLING DOWNS RSM 35/25 26 27 CITY OF BELMONT |
| Legal Subdivision | STERLING DOWNS |
| Legal Block | 16 |
| Legal Lot Number | 7 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 608600 |
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 | 508 MIDDLESEX RD, BELMONT, CA 94002-2527 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 12, 1999 · Amount on Record |
| Deed Sale | Aug 12, 1999 · Amount on Record |
| Deed Document Number | 1999137553 |
| Last Transfer Date | Aug 24, 2016 |
| Transfer Doc | 0000093126 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 508 MIDDLESEX RD, BELMONT, CA 94002-2527 |
| Transaction Type | Mortgage |
| Record Updated | Apr 20, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | 508 MIDDLESEX RD, BELMONT, CA 94002-2527 |
| Document Number | 0000042958 |
|---|---|
| Date | Mar 17, 2021 |
| Instrument | 2021-042958 |
| Name | SF POLICE CU |
|---|---|
| Type | Credit Union |
| Address | SAN BRUNO, CA 94066 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Belmont City |
| County | San Mateo County |
| Elementary School District | Belmont-Redwood Shores Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $611,306 (+2%) Land $305,653 Building $305,653 | ||
| 2025 | $8,960.00 (+7.4%) Homeowner's exemption | $599,320 (+4.04%) Land $299,660 Building $299,660 | |
| 2023 | $8,343.00 (-0.39%) Homeowner's exemption | $576,050 Land $288,025 Building $288,025 | $1,478,070 |
| 2022 | $8,376.00 |
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 | MID-PENINSULA WATER DISTRICT serves 31,059 people · EPA ID CA4110001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 ppb (2022–2024) 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 642 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 · Fiber in parts of the area | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom.
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