San Mateo County property record for 686 Quarry Rd, San Carlos, CA 94070
| Property Type | General Industrial |
|---|---|
| Details | 83,500 sqft |
| Lot Size | 4.7 acres (205,033 sqft) |
| Owner | Company Name on File |
| Last Sale | $34,000,000 (Jul 2022) |
| Tax Bill | $424,583 (2025) |
| Deeds & Mortgages | Jul 2022 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 046-041-380 |
| Primary APN | 046-041-380 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 83,500 sqft Gross Area |
| 1st Floor Area | 83,500 sqft |
| Lot Area | 205,033 sqft |
|---|---|
| Parking Spaces | 65 Parking Spaces |
| Street Address | 686 QUARRY RD |
|---|---|
| City | SAN CARLOS |
| State | CA |
| Zip | 94070 |
| Property Category | Industrial |
| Property Type | Industrial > General Industrial |
| Local Zoning Code | ML00M1 |
| Legal Description | PARCEL 3 4.707 AC MOL PARCEL MAP VOL 42/40 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 609100 |
Source: San Mateo County records · APN 046-041-380
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 | Company Name on File |
|---|---|
| Mailing Address | 160 PACIFIC AVE, 204, SAN FRANCISCO, CA 94111-1976 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 01, 2022 · Amount on Record |
| Deed Sale | Jul 01, 2022 · Amount on Record |
| Prior Sale | Sep 27, 1994 |
| Deed Document Number | 202252124 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 01, 2022 |
| Property Address | 642 QUARRY RD, SAN CARLOS, CA 94070-6204 |
| Document Number | 0000052124 |
| Map Reference | MB 42 PG 40 |
| Instrument Date | Jun 29, 2022 |
| Instrument | 2022-052124 |
| Transaction Type | Transfer |
| Record Updated | Jul 22, 2022 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN NCS |
| Amount | Amount Recorded |
|---|---|
| Tax | $37,400.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1160 BATTERY ST STE 100, 100, SAN FRANCISCO, CA 94111-1233 |
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 Carlos City |
| Elementary School District | Belmont-Redwood Shores Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $36,081,071 (+2%) Land $36,059,847 Building $21,224 | |
| 2025 | $424,583.00 (+6.65%) | $35,373,600 (+4.04%) Land $35,352,792 Building $20,808 |
| 2024 | $398,118.00 (-0.22%) | |
| 2023 | $399,008.00 (+562.35%) | $34,000,000 Land $33,980,000 Building $20,000 |
| 2022 | $60,241.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 11 policies |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| 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 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: California Internet, Etheric Communications, LLC., T-Mobile USA.
Based on FCC filings for 444 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 | MID-PENINSULA WATER DISTRICT serves 31,059 people |
|---|---|
| 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 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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