San Mateo County property record for 18 Iris Ln, San Carlos, CA 94070
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,310 sqft · built 1988 |
| Lot Size | 0.037 acres (1,599 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $495,000 (Mar 1998) |
| Tax Bill | $10,698 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 049-450-140 |
| Primary APN | 049-450-140 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,310 sqft Living Area |
| Gross Area | 2,790 sqft |
| 1st Floor Area | 1,270 sqft |
| 2nd Floor Area | 1,040 sqft |
| Basement Area | 480 sqft |
| Family Room | Family Room |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Roof Material | Tile |
| Lot Area | 1,599 sqft (0.037 acres) |
| Lot Dimensions | 55 ft deep x 29 ft wide |
| Garage Type | Basement |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 18 IRIS LN |
|---|---|
| City | SAN CARLOS |
| State | CA |
| Zip | 94070-1549 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PC0000 |
| Legal Description | LOT 14 LA VENTANA ONE RSM 117/70-72 |
| Legal Subdivision | LA VENTANA ONE |
| Legal Lot Number | 14 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 609601 |
18 Iris Ln is held in a trust since March 2006.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | PO BOX 1609, BURLINGAME, CA 94011-1609 |
| 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 | Mar 6, 1998 · Amount on File |
| Deed Sale | Mar 6, 1998 · Amount on File |
| Deed Document Number | 199829614 |
| Last Transfer Date | Mar 28, 2006 |
| Transfer Doc | 0000050566 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 18 Iris Ln was $10,698.
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 | San Carlos Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $806,180 (+2%) Land $403,090 Building $403,090 | ||
| 2025 | $10,698.00 | $790,374 Land $395,187 Building $395,187 | |
| 2023 | $10,201.00 (+2.16%) | $759,686 Land $379,843 Building $379,843 | $1,265,130 |
| 2022 | $9,985.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18 Iris Ln in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 6 (1978–1998) |
| Claims Outside the SFHA | 3 of 6 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| Claims by Event |
|
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.
Wildfire risk around 18 Iris 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 | None beyond 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 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 110 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Sonic Telecom, T-Mobile.
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