San Mateo County property record for 521 E 16th Ave, San Mateo, CA 94402 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1946 |
| Square Footage | 2,000 sqft Living Area |
| Lot Size | 4,500 sqft (0.103 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,330,000 (2018) |
| Tax Bill | $18,544.00 (2025) |
| Primary APN | 035-078-300 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,000 sqft Living Area |
| 1st Floor | 1,180 sqft 1st Floor |
| Family Room | Family Room |
| Stories | 1 Stories |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Lot Area | 4,500 sqft (0.103 acres) |
| Depth X Width | 90 ft x 50 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Garage Area | 260 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 521 E 16TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2127 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 5 BLOCK 25 SUNNYBRAE MAP NO 3 RSM 26/11 12 13 CITY OF SAN MATEO |
| Legal Subdivision | SUNNYBRAE MAP NO 3 |
| Legal Block | 25 |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 4 |
| Census Block | 4009 |
| Census Tract | 607600 |
Source: San Mateo County records · APN 035-078-300
Assessment roll updated July 15, 2026 · Last verified July 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 | 521 E 16TH AVE, SAN MATEO, CA 94402-2127 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jul 16, 2019 | Deed of Trust, Mortgage · Line of Credit JPMORGAN CHASE BANK NA |
| May 19, 2020 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Jun 10, 2021 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Jul 17, 2018 | Grant Deed, Transfer FIRST AMERICAN TITLE |
| Dec 13, 2017 | Deed of Trust, Mortgage · Conventional Mortgage WESTER DECEDENTS TRUST (PT) |
| Nov 29, 2017 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 17, 2018 · Amount on Record |
| Deed Sale | Jul 17, 2018 · Amount on Record |
| Deed Doc Number | 201855502 |
| Prior Transfer Date | Jan 27, 2004 |
| Prior Transfer Doc | 0000017153 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 521 E 16TH AVE, SAN MATEO, CA 94402-2127 |
| Transaction Type | Mortgage |
| Record Updated | Oct 18, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000055158 |
|---|---|
| Date | Jul 16, 2019 |
| Instrument | 2019-055158 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 01, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 521 E 16TH AVE, SAN MATEO, CA 94402-2127 |
| Transaction Type | Mortgage |
| Record Updated | Oct 18, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|
| Document Number | 0000045420 |
|---|---|
| Date | May 19, 2020 |
| Instrument | 2020-045420 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Jun 01, 2035 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 521 E 16TH AVE, SAN MATEO, CA 94402-2127 |
| Transaction Type | Mortgage |
| Record Updated | Oct 18, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 521 E 16TH AVE, SAN MATEO, CA 94402-2127 |
| Document Number | 0000089458 |
|---|---|
| Date | Jun 10, 2021 |
| Instrument | 2021-089458 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Jul 01, 2036 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 17, 2018 |
| Property Address | 521 E 16TH AVE, SAN MATEO, CA 94402-2127 |
| Document Number | 0000055502 |
| Instrument Date | Jul 11, 2018 |
| Instrument | 55502 |
| Transaction Type | Transfer |
| Record Updated | Aug 02, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,463.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 521 E 16TH AVE SAN MATEO CA 944022127, SAN MATEO, CA 94402-2127 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 521 E 16TH AVE, SAN MATEO, CA 94402-2127 |
| Document Number | 0000114154 |
| Instrument Date | Dec 13, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jan 26, 2018 |
| Title Company | NORTH AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | PO BOX 338 THORNTON CA 956860338, THORNTON, CA 95686-0338 |
| Document Number | 0000114154 |
|---|---|
| Date | Dec 20, 2017 |
| Instrument | 114154 |
| Name | WESTER DECEDENTS TRUST (PT) |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 29, 2017 |
| Property Address | 521 E 16TH AVE, SAN MATEO, CA 94402-2127 |
| Document Number | 0000106622 |
| Instrument Date | Nov 28, 2017 |
| Instrument | 106622 |
| Transaction Type | Transfer |
| Record Updated | Jan 03, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | PO BOX 338 THORNTON CA 956860338, THORNTON, CA 95686-0338 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,513,308 (+2%) Land $1,109,381 Building $403,927 | ||
| 2025 | $18,544.00 (+3.54%) Homeowner's exemption | $1,483,636 (+4.04%) Land $1,087,629 Building $396,007 | |
| 2023 | $17,910.00 (+0.35%) Homeowner's exemption | $1,426,027 Land $1,045,396 Building $380,631 | $1,759,050 |
| 2022 | $17,848.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Reduced by levee depends on levee performance |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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