San Mateo County property record for 19 Trillium Ln, San Carlos, CA 94070
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,709 sqft · built 1981 |
| Lot Size | 19.1 acres (833,701 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $960,000 (Sep 2013) |
| Tax Bill | $3,104 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 111-500-220 |
| Primary APN | 111-500-220 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Units | 120 Units |
| Stories | 2 Stories |
| Building Area | 1,709 sqft Living Area |
| Game Room | Game Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Condo/Apartment |
| Lot Area | 833,701 sqft |
| View / Lot | End Unit |
| Garage Type | Carport |
| Carport | Carport |
| Street Address | 19 TRILLIUM LN |
|---|---|
| City | SAN CARLOS |
| State | CA |
| Zip | 94070-1525 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | PC0000 |
| Legal Description | UNIT 335 BLDG I-23 CRESTVIEW PARK PHASE IV REEL 7969 IMAGE 526 |
| Legal Subdivision | CRESTVIEW PARK PHASE IV |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 608900 |
19 Trillium Ln, a condominium, is owner-occupied and held in a trust since September 2013.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 19 TRILLIUM LN, SAN CARLOS, CA 94070-1525 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 12, 2013 · Amount on File |
| Deed Sale | Sep 12, 2013 · Amount on File |
| Prior Sale | Nov 21, 1996 · Amount on File |
| Deed Document Number | 2013132978 |
| Prior Transfer Date | Jul 26, 2012 |
| Prior Transfer Doc | 0000118814 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 19 Trillium Ln was $3,104 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $121,064 (+2%) Land $40,029 Building $81,035 | ||
| 2025 | $3,104.00 Homeowner's exemption | $118,692 Land $39,245 Building $79,447 | |
| 2023 | $2,927.00 (+1.63%) Homeowner's exemption | $114,085 Land $37,722 Building $76,363 | $1,350,360 |
| 2022 | $2,880.00 |
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.
FEMA maps place 19 Trillium Ln in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 19 Trillium Ln is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Direct burnable vegetation |
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 CARLOS private · serves 34,801 people · EPA ID CA4110007 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2024 |
| Lead | 6 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 125 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
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