716 28th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 716 28th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,180 sqft · built 1946
Lot Size	0.19 acres (8,290 sqft)
Owner	2 Company Names on Record
Last Sale	$1,450,000 (Aug 2020)
Tax Bill	$18,935 (2025)
Deeds & Mortgages	Aug 2020 Sale & Mortgage Aug 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`039-254-190`

Property Details

APN / Parcel Number

Primary APN	`039-254-190`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,180 sqft Living Area
1st Floor Area	1,180 sqft
Family Room	Family Room

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1946
Lot Area	8,290 sqft (0.19 acres)
Lot Dimensions	147 ft deep x 57 ft wide
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	716 28TH AVE
City	SAN MATEO
State	CA
Zip	94403-2608
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	56.50 FT X 146.72 FT ON 28TH AVE COM 353.84 FT NELY FR MASONLANE PTN OF LOT 6 BERESFORD PARK VOL 6 MISC PG 9 CITY OF SAN MATEO
Legal Subdivision	BERESFORD PARK
Legal Tract	2
Legal Lot Number	6
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2020
Census Tract	606700

Owner

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	2 Company Names on Record
Mailing Address	716 28TH AVE, SAN MATEO, CA 94403-2608
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Aug 11, 2020	Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC
Aug 11, 2020	Affidavit of Death, Transfer ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 11, 2020 · Amount on Record
Deed Sale	Aug 11, 2020 · Amount on Record
Deed Document Number	202079108
Record Updated	Oct 29, 2026

August 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 11, 2020
Property Address	716 28TH AVE, SAN MATEO, CA 94403-2608
Document Number	0000079108
Map Reference	MB 1 PG 56
Instrument Date	Jul 24, 2020
Instrument	2020-079108
Transaction Type	Transfer
Record Updated	Oct 18, 2022
Title Company	ORANGE COAST TTL CO OF NOCAL

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$8,845.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	716 28TH AVE, SAN MATEO, CA 94403-2608

Mortgage

Document Number	0000079109
Date	Aug 11, 2020
Instrument	2020-079109

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2050

August 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	Aug 11, 2020
Property Address	716 28TH AVE, SAN MATEO, CA 94403-2608
Document Number	0000079107
Instrument Date	Jul 14, 2020
Instrument	79107
Transaction Type	Transfer
Record Updated	Sep 4, 2020
Title Company	ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	2001 LA SAFE SAN MATEO CA 94403, SAN MATEO, CA 94403

Tax Assessment & Valuation

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	Assessed Market Value
2026		$1,600,914 (+2%) Land $1,214,487 Building $386,427
2025	$18,935.00 (+3.06%)	$1,569,524 (+4.04%) Land $1,190,674 Building $378,850
2023	$18,373.00 (+1.86%)	$1,508,580 Land $1,144,440 Building $364,140	$1,867,050
2022	$18,038.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 732 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50

May also be available: Etheric Networks, T-Mobile.

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