San Mateo County property record for 330 Grunion Ct, Foster City, CA 94404
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,380 sqft · built 1966 |
| Lot Size | 0.138 acres (6,021 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $9,286 (2025) |
| Deeds & Mortgages | Mar 2023 Transfer |
| Flood Zone | Zone X (reduced by levee) |
| APN | 094-303-180 |
| Primary APN | 094-303-180 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,380 sqft Living Area |
| Gross Area | 2,620 sqft |
| 1st Floor Area | 1,620 sqft |
| 2nd Floor Area | 630 sqft |
| Basement Area | 240 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 6,021 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Garage Area | 250 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 330 GRUNION CT |
|---|---|
| City | FOSTER CITY |
| State | CA |
| Zip | 94404-1923 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 475 FOSTER CITY NEIGHBRHOOD NO 3 UNIT NO 2 RSM 62/43 50 |
| Legal Subdivision | FOSTER CITY NEIGHBRHOOD NO 3 UNIT NO 2 |
| Legal Lot Number | 475 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 608300 |
330 Grunion Ct is owner-occupied and held in a trust since February 2023.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 330 GRUNION CT, FOSTER CITY, CA 94404-1923 |
| 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 Transfer Date | Feb 15, 2023 |
| Transfer Doc | 0000009026 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 1, 2023 |
| Property Address | 330 GRUNION CT, FOSTER CITY, CA 94404-1923 |
| Document Number | 0000009026 |
| Map Reference | MB 62 PG 43-50 |
| Instrument Date | Feb 15, 2023 |
| Instrument | 2023-009026 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 330 GRUNION CT, FOSTER CITY, CA 94404-1923 |
The 2025 property tax bill for 330 Grunion Ct was $9,286 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 | Foster 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 | $787,567 (+2%) Land $380,124 Building $407,443 | ||
| 2025 | $9,286.00 Homeowner's exemption | $772,126 Land $372,671 Building $399,455 | |
| 2023 | $8,958.00 (+1.42%) Homeowner's exemption | $742,145 Land $358,200 Building $383,945 | $1,995,660 |
| 2022 | $8,833.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 330 Grunion Ct in Zone X, where a levee reduces flood risk.
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
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.
The area around 330 Grunion Ct has no burnable land within ember reach, so its wildfire risk is not rated.
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 | ESTERO MUNICIPAL IMPROVEMENT DISTRICT serves 36,556 people · EPA ID CA4110021 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Nov 2024 |
| Lead | Under 1 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 636 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 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sail Internet.
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