21 McLellan Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 21 McLellan Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,000 sqft · built 1945
Lot Size	0.144 acres (6,250 sqft)
Owner	2 Individual Names on File
Last Sale	$1,253,000 (Nov 2023)
Tax Bill	$16,646 (2025)
Deeds & Mortgages	Oct 2025 Line of Credit Nov 2023 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`040-081-170`

Property Details

APN / Parcel Number

Primary APN	`040-081-170`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Building Area	1,000 sqft Living Area
1st Floor Area	1,000 sqft
Family Room	Family Room

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1945
Lot Area	6,250 sqft (0.144 acres)
Lot Dimensions	125 ft deep x 50 ft wide
Garage Area	300 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	21 MCLELLAN AVE
City	SAN MATEO
State	CA
Zip	94403-2825
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 6 BLOCK 1 TOWN OF BERESFORD NO 1 RSM 14/44 45 CITY OF SAN MATEO
Legal Subdivision	TOWN OF BERESFORD NO 1
Legal Block	1
Legal Lot Number	6
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	4
Census Block	4004
Census Tract	608501

Owner

21 McLellan Ave is owned and occupied by two individuals who bought it in November 2023.

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

Owner of Record	2 Individual Names on File
Mailing Address	21 MCLELLAN AVE, SAN MATEO, CA 94403-2825
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

Date	Document
Oct 20, 2025	Deed of Trust, Mortgage · Line of Credit FIGURE LENDING LLC
Nov 17, 2023	Grant Deed, Transfer LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY
Apr 8, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 17, 2023 · Amount on File
Deed Sale	Nov 17, 2023 · Amount on File
Deed Document Number	202361343
Record Updated	Sep 20, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	21 MCLELLAN AVE, SAN MATEO, CA 94403-2825
Transaction Type	Mortgage
Record Updated	Nov 21, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	430 BURNS LN, SAN MATEO, CA 94403-3463

Mortgage

Document Number	0000055450
Date	Oct 20, 2025
Instrument	2025-055450

Lender

Name	FIGURE LENDING LLC
Type	Mortgage Company
Address	CHARLOTTE, NC 28202

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Oct 19, 2055

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 17, 2023
Property Address	21 MCLELLAN AVE, SAN MATEO, CA 94403-2825
Document Number	0000061343
Map Reference	MB 14 PG 44&45
Instrument Date	Nov 13, 2023
Instrument	2023-061343
Transaction Type	Transfer
Record Updated	Dec 20, 2023
Title Company	LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$7,643.30
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	21 MCLELLAN AVE, SAN MATEO, CA 94403-2825

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Apr 8, 2021
Property Address	21 MCLELLAN AVE, SAN MATEO, CA 94403-2825
Document Number	0000056530
Map Reference	MB 14 PG 44&45
Instrument Date	Mar 26, 2021
Instrument	2021-056530
Transaction Type	Transfer
Record Updated	Aug 5, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	1747 LEXINGTON AVE, SAN MATEO, CA 94402-4024

Tax Assessment & Valuation

The 2025 property tax bill for 21 McLellan Ave was $16,646, up 3.5% 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		$1,303,621 (+2%) Land $1,040,400 Building $263,221
2025	$16,646.00 (+3.53%)	$1,278,060 Land $1,020,000 Building $258,060
2024	$16,079.00 (+438.84%)
2023	$2,984.00 (-6.49%)	$87,885 Land $25,911 Building $61,974	$1,093,320
2022	$3,191.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 21 McLellan Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AO, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 50 policies
Nearby Flood Policies	50 in force
Nearby Flood Claims	7 (2008–2023)
Claims Outside the SFHA	2 of 7
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 6 claims

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 21 McLellan 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 614 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
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	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Sonic Telecom.

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