215 28th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 215 28th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,570 sqft · built 1956
Lot Size	0.17 acres (7,422 sqft)
Owner	2 Individual Names on File
Last Sale	$860,312 (Feb 2010)
Tax Bill	$16,717 (2025)
Deeds & Mortgages	Sep 2018 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`039-387-080`

Property Details

APN / Parcel Number

Primary APN	`039-387-080`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,570 sqft Living Area
1st Floor Area	1,400 sqft
2nd Floor Area	1,170 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	7,422 sqft (0.17 acres)
Lot Dimensions	123 ft deep x 60 ft wide
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	215 28TH AVE
City	SAN MATEO
State	CA
Zip	94403-2403
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	SWLY 60 FT OF LOT 1 BERESFORD PARK NO 3 RSM 19/63 64 CITY OFSAN MATEO
Legal Subdivision	BERESFORD PARK
Legal Lot Number	1
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2002
Census Tract	607300

Owner

215 28th Ave is owned and occupied by two individuals who bought it in February 2010.

Source: San Mateo County records, as of July 15, 2026

Owner of Record	2 Individual Names on File
Mailing Address	215 28TH AVE, SAN MATEO, CA 94403-2403
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 2, 2010 · Amount on File
Deed Sale	Feb 2, 2010 · Amount on File
Prior Sale	Dec 30, 2003 · Amount on File
Deed Document Number	201011471
Prior Transfer Date	May 18, 1998
Prior Transfer Doc	0000130274
Record Updated	Oct 29, 2026

September 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	215 28TH AVE, SAN MATEO, CA 94403-2403
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000070544
Date	Sep 10, 2018
Instrument	2018-070544

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Sep 30, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 215 28th Ave was $16,717, up 1.9% 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	Assessed Market Value
2026		$1,310,038 (+2%) Land $655,019 Building $655,019
2025	$16,717.00 (+1.86%)	$1,284,352 Land $642,176 Building $642,176
2024	$16,411.00 (+3.95%)
2023	$15,788.00 (-0.62%)	$1,234,482 Land $617,241 Building $617,241	$1,834,560
2022	$15,887.00

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

Flood

FEMA maps place 215 28th Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1998.

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	2 in force
Nearby Flood Claims	4 (1998–2022)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Dec 2022 · 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 215 28th Ave 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 rated no 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 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 799 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	1,500 / 50

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

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