503 Maple St, San Mateo, CA 94402 Property Records

San Mateo County property record for 503 Maple St, San Mateo, CA 94402

Property Summary

Property Type	Single Family Home
Details	2 bd · 2.5 ba · 1,940 sqft · built 1966
Lot Size	0.089 acres (3,878 sqft)
Owner	2 Company Names on Record
Last Sale	$2,050,000 (Jun 2022)
Tax Bill	$15,227 (2025)
Deeds & Mortgages	May 2017 Mortgage Apr 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`034-122-320`

Property Details

APN / Parcel Number

Primary APN	`034-122-320`

Interior

Bedrooms	2 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,940 sqft Living Area
Gross Area	2,400 sqft
1st Floor Area	1,100 sqft
2nd Floor Area	840 sqft
Basement Area	210 sqft
Family Room	Family Room

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Lot Area	3,878 sqft (0.089 acres)
Lot Dimensions	90 ft deep x 43 ft wide
View / Lot	Corner
Garage Type	Attached
Garage Area	250 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	503 MAPLE ST
City	SAN MATEO
State	CA
Zip	94402-2016
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10000
Legal Description	LOT 1 FIFTH AVENUE CENTER RSM 63/12
Legal Subdivision	FIFTH AVENUE CENTER
Legal Lot Number	1
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	4
Census Block	4003
Census Tract	606400

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	503 MAPLE ST, SAN MATEO, CA 94402-2016
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 26, 2017	Deed of Trust, Mortgage · Conventional Mortgage CITIBANK NA
Apr 30, 2021	Deed of Trust, Mortgage · Conventional Mortgage CITIBANK NA
Jun 22, 2022	Grant Deed, Transfer · Conventional Mortgage AMERIHOME MORTGAGE COMPANY LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 22, 2022 · Amount on Record
Deed Sale	Jun 22, 2022 · Amount on Record
Prior Sale	Jun 12, 2008 · Amount on Record
Deed Document Number	202249498
Prior Transfer Date	Jan 31, 2011
Prior Transfer Doc	0000017036
Record Updated	Sep 20, 2026

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	503 MAPLE ST, SAN MATEO, CA 94402-2016
Transaction Type	Mortgage
Record Updated	Aug 5, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000045732
Date	May 26, 2017
Instrument	2017-045732

Lender

Name	CITIBANK NA
Type	Bank
Address	O FALLON, MO 63368

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2047

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	503 MAPLE ST, SAN MATEO, CA 94402-2016
Transaction Type	Mortgage
Record Updated	Aug 5, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	503 MAPLE ST, SAN MATEO, CA 94402-2016

Mortgage

Document Number	0000069557
Date	Apr 30, 2021
Instrument	2021-069557

Lender

Name	CITIBANK NA
Type	Bank
Address	O FALLON, MO 63368

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 1, 2051

June 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jun 22, 2022
Property Address	503 MAPLE ST, SAN MATEO, CA 94402-2016
Document Number	0000049498
Map Reference	MB 63 PG 12
Instrument Date	Jun 10, 2022
Instrument	2022-049498
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$12,505.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	503 MAPLE ST, SAN MATEO, CA 94402-2016

Mortgage

Document Number	0000049499
Date	Jun 22, 2022
Instrument	2022-049499

Lender

Name	AMERIHOME MORTGAGE COMPANY LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2052

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		$1,209,566 (+2%) Land $665,157 Building $544,409
2025	$15,227.00 (+5.1%) Homeowner's exemption	$1,185,850 (+4.04%) Land $652,115 Building $533,735
2023	$14,488.00 (-8.18%) Homeowner's exemption	$1,139,804 Land $626,794 Building $513,010	$1,788,480
2022	$15,779.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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 570 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Verizon Fixed Wireless	1,000 / 75
Etheric Networks Fixed Wireless · Fiber in parts of the area	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, GeoLinks, Sonic Telecom, Unwired.

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