San Mateo County property record for 4 Emerald Ct, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,010 sqft · built 1957 |
| Lot Size | 0.298 acres (12,992 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,535,000 (Mar 2015) |
| Tax Bill | $22,839 (2025) |
| Deeds & Mortgages | Mar 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-220-190 |
| Primary APN | 039-220-190 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 2,010 sqft Living Area |
| 1st Floor Area | 1,770 sqft |
| Family Room | Family Room |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Lot Area | 12,992 sqft (0.298 acres) |
| Lot Dimensions | 130 ft deep x 100 ft wide |
| Garage Area | 490 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 4 EMERALD CT |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-3172 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 18 BLOCK 10 HILLSDALE UNIT NO 8 RSM 43/6 10 CITY OF SAN MATEO |
| Legal Subdivision | HILLSDALE UNIT NO 8 |
| Legal Block | 10 |
| Legal Lot Number | 18 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 606700 |
Source: San Mateo County assessment roll, 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 Individual Names on File |
|---|---|
| Mailing Address | 4 EMERALD CT, SAN MATEO, CA 94403-3172 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 27, 2015 · Amount on Record |
| Deed Sale | Mar 27, 2015 · Amount on Record |
| Deed Document Number | 201529151 |
| Prior Transfer Date | Feb 14, 2007 |
| Prior Transfer Doc | 0000029645 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 4 EMERALD CT, SAN MATEO, CA 94403-3172 |
| Document Number | 0000024761 |
| Instrument Date | Mar 10, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Apr 30, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4 EMERALD CT SAN MATEO CA 944033172, SAN MATEO, CA 94403-3172 |
| Document Number | 0000024761 |
|---|---|
| Date | Mar 19, 2020 |
| Instrument | 24761 |
| Name | NAVY FCU |
|---|---|
| Type | Credit Union |
| Address | 820 FOLLIN LN SE, VIENNA, VA 22180-4907 |
| Amount | Amount Recorded |
|---|---|
| Term | 180 Months |
| Due | Mar 18, 2035 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | San Mateo 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 | $1,881,727 (+2%) Land $1,225,882 Building $655,845 | ||
| 2025 | $22,839.00 (+5.13%) | $1,844,832 (+4.04%) Land $1,201,846 Building $642,986 | |
| 2023 | $21,724.00 (+0.73%) | $1,773,197 Land $1,155,178 Building $618,019 | $2,140,110 |
| 2022 | $21,566.00 |
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 · 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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1979) |
| Most Recent Claim | Apr 1979 · rainfall accumulation |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 MATEO private · serves 103,536 people · EPA ID CA4110008 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | 4 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 453 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 |
| Verizon Fixed Wireless | 1,000 / 75 |
May also be available: Astound Broadband, Etheric Networks, GeoLinks, T-Mobile.
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