Home California San Mateo County San Mateo E 16th Ave
426 E 16th Ave, Apt 1, San Mateo, CA 94402 Property Records
San Mateo County property record for 426 E 16th Ave, Apt 1, San Mateo, CA 94402
Property Summary
Property Type Quadplex Details 5 bd · 4 ba · 3,964 sqft · built 1961 Lot Size 0.11 acres (4,791 sqft) Owner Company Name on File Last Sale $1,950,000 (Oct 2017) Tax Bill $27,136 (2025) Deeds & Mortgages Aug 2021 Sale May 2021 Transfer + 7 more Flood Zone Zone X (reduced by levee)APN 035-072-060
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Property Details APN / Parcel Number
Interior
Bedrooms 5 Beds Full Baths 4 Baths Total Rooms 13 Rooms Units 4 Units Stories 2 Stories Building Area 3,964 sqft Living Area
Exterior
Year Built Built 1961 Effective Year Built Effective 1961 Architectural Style Quadruplex Lot Area 4,791 sqft (0.11 acres) Lot Dimensions 96 ft deep x 50 ft wide Parking Spaces 4 Parking Spaces
Location & Zoning Street Address 426 E 16TH AVE, 1 City SAN MATEO State CA Zip 94402-2155 Property Category Residential Property Type Residential > Multi-Unit > Quadplex Legal Description LOT 6 BLOCK 24A SUNNYBRAE MAP NO 3 RSM 26/11 12 13 CITY OF SAN MATEO Legal Subdivision SUNNYBRAE MAP NO 3 Legal Block 24A Legal Lot Number 6 Jurisdiction SAN MATEO CA Township / Civil Division SAN MATEO Census Block Group 2 Census Block 2005 Census Tract 607600
Owner
426 E 16th Ave, Apt 1 is owned by a company that acquired it in April 2021.
Source: San Mateo County records, as of October 12, 2026
Owner of Record Company Name on File Mailing Address PO BOX 1253, MILLBRAE, CA 94030-5253 Owner Type Company Vesting Limited Liability Company
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Deeds, Mortgages & Sale History
Date Document Aug 18, 2021 Grant Deed, Transfer May 6, 2021 Intrafamily Transfer, Transfer May 5, 2021 Intrafamily Transfer, Transfer · Conventional Mortgage STAR ONE CU Dec 14, 2020 Quit Claim Deed, Transfer NOT AVAILABLE Apr 3, 2018 Quit Claim Deed, Transfer Quitclaim Feb 21, 2018 Quit Claim Deed, Transfer GOOGAIN Feb 21, 2018 Grant Deed, Transfer CHICAGO TITLE COMPANY Oct 19, 2017 Grant Deed, Transfer · ARM BOFI FEDERAL BANK Mar 14, 2017 Quit Claim Deed, Transfer ATTORNEY ONLY
Assessor's Deed Record
Deed Names Name on Deed Last Sale Oct 19, 2017 · Amount on File Deed Sale Oct 19, 2017 · Amount on File Prior Sale Mar 25, 2011 · Amount on File Deed Document Number 201792281 Last Transfer Date Apr 29, 2021 Transfer Doc 0000072630 Record Updated Oct 29, 2026
August 2021: Grant Deed, Transfer Document Type Grant Deed Jurisdiction SAN MATEO CA Recording Date Aug 18, 2021 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000120893 Map Reference MB 26 PG 11-13 Instrument Date Aug 18, 2021 Instrument 2021-120893 Transaction Type Transfer Record Updated Oct 18, 2022
Transaction
Tax $0.00 Amount Accuracy Transfer Tax Exempt Additional
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Address PO BOX 1253, MILLBRAE, CA 94030-5253
May 2021: Intrafamily Transfer, Transfer Document Type Intrafamily Transfer Jurisdiction SAN MATEO CA Recording Date May 6, 2021 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000072630 Map Reference MB 26 PG 11-13 Instrument Date Apr 29, 2021 Instrument 2021-072630 Transaction Type Transfer Record Updated Oct 18, 2022
Transaction
Tax $0.00 Amount Accuracy Transfer Tax Exempt Additional
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Relationship Community Property with Right of Survivorship Address PO BOX 1253, MILLBRAE, CA 94030-5253
May 2021: Intrafamily Transfer, Transfer Document Type Intrafamily Transfer Jurisdiction SAN MATEO CA Recording Date May 5, 2021 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000071874 Map Reference MB 26 PG 11-13 Instrument Date Apr 28, 2021 Instrument 2021-071874 Transaction Type Transfer Record Updated Oct 18, 2022 Title Company CHICAGO TITLE COMPANY
Transaction
Tax $0.00 Amount Accuracy Transfer Tax Exempt Additional
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Relationship Tenants in Common Address 20 LA SOLANO, MILLBRAE, CA 94030-2208
Mortgage
Document Number 0000071875 Date May 5, 2021 Instrument 2021-071875
Lender
Name STAR ONE CU Type Credit Union
Agreement
Type Conventional Mortgage Amount Amount on Record Term 361 Months Due Jun 1, 2051
December 2020: Quit Claim Deed, Transfer Document Type Quit Claim Deed Jurisdiction SAN MATEO CA Recording Date Dec 14, 2020 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000144999 Instrument Date Dec 9, 2020 Instrument 144999 Transaction Type Transfer Record Updated Jan 22, 2021 Title Company NOT AVAILABLE
Transaction
Tax $0.00 Amount Accuracy Full Value Additional
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Relationship Separate Estate/Property Address PO BOX 1253 MILLBRAE CA 940305253, MILLBRAE, CA 94030-5253
April 2018: Quit Claim Deed, Transfer Document Type Quit Claim Deed Jurisdiction SAN MATEO CA Recording Date Apr 3, 2018 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000024924 Instrument Date Mar 24, 2018 Instrument 24924 Transaction Type Transfer Record Updated Apr 20, 2018
Transaction
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Relationship Company Address PO BOX 1253 MILLBRAE CA 940305253, MILLBRAE, CA 94030-5253
February 2018: Quit Claim Deed, Transfer Document Type Quit Claim Deed Jurisdiction SAN MATEO CA Recording Date Feb 21, 2018 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000012055 Instrument Date Feb 14, 2018 Instrument 12055 Transaction Type Transfer Record Updated Mar 12, 2018 Title Company CHICAGO TITLE COMPANY
Transaction
Tax $0.00 Amount Accuracy Full Value Additional Quitclaim Intrafamily Transfer
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Relationship Separate Estate/Property Address PO BOX 1253 MILLBRAE CA 940305253, MILLBRAE, CA 94030-5253
Mortgage
Document Number 12056 Date Feb 21, 2018 Instrument 12056
Lender
Name GOOGAIN Address SUNNYVALE, CA 94086
Agreement
Amount Amount on Record Term 360 Months Due Feb 20, 2048
February 2018: Grant Deed, Transfer Document Type Grant Deed Jurisdiction SAN MATEO CA Recording Date Feb 21, 2018 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000012054 Instrument Date Jan 30, 2018 Instrument 12054 Transaction Type Transfer Record Updated Mar 15, 2018 Title Company CHICAGO TITLE COMPANY
Transaction
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Relationship Separate Estate/Property Address PO BOX 1253 MILLBRAE CA 940305253, MILLBRAE, CA 94030-5253
October 2017: Grant Deed, Transfer Document Type Grant Deed Jurisdiction SAN MATEO CA Recording Date Oct 19, 2017 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000092281 Map Reference MAP26 PG11-13 Instrument Date Oct 11, 2017 Instrument 2017-092281 Transaction Type Transfer Record Updated Oct 18, 2022 Title Company OLD REPUBLIC TITLE COMPANY
Transaction
Amount Amount on Record Downpayment Downpayment on Record Loan-to-Value (LTV) LTV on Record Tax $0.00 Amount Accuracy Rounded by County Additional
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Address PO BOX 1253, MILLBRAE, CA 94030-5253
Mortgage
Document Number 0000092282 Date Oct 19, 2017 Instrument 2017-092282
Lender
Name BOFI FEDERAL BANK Type Bank
Agreement
Type ARM Amount Amount on Record Term 361 Months Due Nov 1, 2047 Prepayment Penalty 18 Months
Interest
Rate Type Adjustable Rate Rate 5.62% Type Change Date Nov 1, 2022 Change Frequency Annually Min Rate At Change 5.62% Max Rate At Change 11.6% Index 1-Year LIBOR Max Rate 11.6%
March 2017: Quit Claim Deed, Transfer Document Type Quit Claim Deed Jurisdiction SAN MATEO CA Recording Date Mar 14, 2017 Property Address 426 E 16TH AVE, SAN MATEO, CA 94402-2180 Document Number 0000022306 Instrument Date Oct 14, 2016 Instrument 22306 Transaction Type Transfer Record Updated Apr 3, 2017 Title Company ATTORNEY ONLY
Transaction
Tax $0.00 Additional Quitclaim Intrafamily Transfer
Transferred From (Grantor/Seller)
Transferred To (Grantee/Buyer)
Name Verified Name Relationship Personal Trust Address 1368 MURCHISON DR MILLBRAE CA 940302868, MILLBRAE, CA 94030-2868
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Tax Assessment & Valuation
The 2025 property tax bill for 426 E 16th Ave, Apt 1 was $27,136, down 15.4% from the year before.
Source: San Mateo County assessment roll, as of July 15, 2026
Property Jurisdictions
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)
Tax Bill & Assessment History
Year Tax Bill Assessed Value 2026 $1,700,000 (-23.38%) Land $811,000 Building $889,000 2025 $27,136.00 (-15.37%) $2,218,762 Land $1,058,178 Building $1,160,584 2024 $32,064.00 (+3.82%) 2023 $30,883.00 (+1.91%) $2,132,607 Land $1,017,089 Building $1,115,518 2022 $30,303.00
Assessed value is set for property tax purposes and is not a market price estimate.
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Flood
FEMA maps place 426 E 16th Ave, Apt 1 in Zone X, where a levee reduces flood risk, though there have been 1 flood claim nearby since 2010.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
FEMA Flood Zone Zone Xreduced by levee · depends on levee performance Flood Insurance Requirement Not requiredlenders may require it Nearby Flood Policies 4 in force Nearby Flood Claims 1 (2010) Most Recent Claim Feb 2010 · 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.
Wildfire
The area around 426 E 16th Ave, Apt 1 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 ratedno burnable land within ember reach
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Drinking Water
Source: EPA Safe Drinking Water Information System, as of September 2026
Water System CALIFORNIA WATER SERVICE - SAN MATEOprivate · 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
Violations Reported to EPA
Water Quality Nonelast 10 years Treatment and Procedure Nonelast 10 years Monitoring and Reporting Nonelast 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.
Internet Providers
Source: FCC Broadband Data Collection, based on 797 locations within half a mile, as of December 31, 2025
Provider Max Down / Up (Mbps) AT&TFiber · Fixed Wireless, DSL in parts of the area 5,000 / 5,000 XfinityCable · Fiber in parts of the area 2,000 / 250 Astound BroadbandCable · Fiber in parts of the area 1,500 / 50 Etheric NetworksFixed Wireless 250 / 100 T-MobileFixed Wireless 100 / 20
May also be available: GeoLinks, Sonic Telecom, Unwired, Verizon.
Nearby Properties on E 16th Ave 410 E 16th Ave4 bd · 4 ba · 2,484 sqft · built 1959 · 0.205 acres
414 E 16th Ave, #E4 bd · 4 ba · 3,325 sqft · built 1959 · 0.132 acres
418 E 16th Ave, #E4 bd · 4 ba · 3,325 sqft · built 1959 · 0.132 acres
422 E 16th Ave5 bd · 4 ba · 3,964 sqft · built 1961 · 0.11 acres
430 E 16th Ave5 bd · 4 ba · 3,964 sqft · built 1961 · 0.109 acres
438 E 16th Ave17 bd · 1 ba · 11,815 sqft · built 1976 · 0.283 acres
513 E 16th Ave4 bd · 2 ba · 1,540 sqft · built 1947 · 0.103 acres
514 E 16th Ave4 bd · 2 ba · 1,900 sqft · built 1946 · 0.108 acres
518 E 16th Ave5 bd · 2 ba · 1,980 sqft · built 1946 · 0.108 acres
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