San Mateo County property record for 988 Norton St, San Mateo, CA 94401
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,800 sqft · built 1950 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,155,000 (Jan 2017) |
| Tax Bill | $21,283 (2025) |
| Deeds & Mortgages | Jan 2017 Sale & Mortgage |
| Flood Zone | Zone X (reduced by levee) |
| APN | 033-351-100 |
| Primary APN | 033-351-100 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,800 sqft Living Area |
| 1st Floor Area | 1,000 sqft |
| Family Room | Family Room |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 7,500 sqft (0.172 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Garage Area | 250 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 988 NORTON ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-3512 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R106 |
| Legal Description | LOT 10 BLOCK 1 SHORE VIEW TRACT MAP NO 9 RSM 31/34 35 36 37 CITY OF SAN MATEO |
| Legal Subdivision | SHORE VIEW TRACT MAP NO 9 |
| Legal Tract | 9 |
| Legal Block | 1 |
| Legal Lot Number | 10 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 607702 |
Source: San Mateo County records, 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 | Individual Name on Record |
|---|---|
| Mailing Address | 1390 MARKET ST, 405, SAN FRANCISCO, CA 94102-5406 |
| Owner Type | Individual |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 4, 2017 · Amount on Record |
| Deed Sale | Jan 4, 2017 · Amount on Record |
| Deed Document Number | 2017477 |
| Prior Transfer Date | Jan 21, 2009 |
| Prior Transfer Doc | 0000008279 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jan 4, 2017 |
| Property Address | 988 NORTON ST, SAN MATEO, CA 94401-3512 |
| Document Number | 0000000477 |
| Map Reference | MAP31 PG34-37 |
| Instrument Date | Dec 22, 2016 |
| Instrument | 2017-000477 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1390 MARKET ST STE 405, 405, SAN FRANCISCO, CA 94102-5406 |
| Investor | Possibly a Property Investor |
| Document Number | 0000000478 |
|---|---|
| Date | Jan 4, 2017 |
| Instrument | 2017-000478 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 1, 2047 |
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 | $1,527,436 (+2%) Land $683,639 Building $843,797 | ||
| 2025 | $21,283.00 (+9.93%) | $1,497,488 (+4.04%) Land $670,235 Building $827,253 | |
| 2023 | $19,361.00 (-1.24%) | $1,439,342 Land $644,210 Building $795,132 | $1,823,670 |
| 2022 | $19,605.00 |
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 3 (1979–1983) |
| Most Recent Claim | Jan 1983 · Coastal Storms, Floods, Slides & Tornadoes |
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 | 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 | 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 1,004 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom, Verizon.
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