123 11th Ave, San Mateo, CA 94401 Property Records

San Mateo County property record for 123 11th Ave, San Mateo, CA 94401

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,636 sqft · built 1922
Lot Size	0.101 acres (4,400 sqft)
Owner	2 Individual Names on File
Last Sale	$865,000 (Feb 2006)
Tax Bill	$17,496 (2025)
Deeds & Mortgages	Jan 2021 Mortgage Aug 2018 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`034-282-120`

Property Details

APN / Parcel Number

Primary APN	`034-282-120`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,636 sqft Living Area
Gross Area	1,776 sqft
1st Floor Area	1,358 sqft
Basement Area	140 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1922
Effective Year Built	Effective 1922
Exterior Material	Stucco
Roof Material	Tar & Gravel
Lot Area	4,400 sqft (0.101 acres)
Lot Dimensions	110 ft deep x 40 ft wide
View / Lot	Alley
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	123 11TH AVE
City	SAN MATEO
State	CA
Zip	94401-4310
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 5 BLOCK N SUB NO 3 & RESUB BLKS G & H OF SUB NO 2 HAYWARD PARK RSM 5/36
Legal Subdivision	HAYWARD PARK
Legal Block	N,G,H
Legal Lot Number	5
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1003
Census Tract	606600

Owner

123 11th Ave is owned and occupied by two individuals who bought it in February 2006.

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

Owner of Record	2 Individual Names on File
Mailing Address	123 11TH AVE, SAN MATEO, CA 94401-4310
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
Jan 29, 2021	Deed of Trust, Mortgage · Conventional Mortgage GOLDEN EMPIRE MORTGAGE INC
Aug 3, 2018	Deed of Trust, Mortgage · ARM MUFG UNION BANK NA
Aug 3, 2018	Deed of Trust, Mortgage · Line of Credit MUFG UNION BANK NA
Jun 23, 2017	Deed of Trust, Mortgage · ARM CRESTLINE FUNDING CORP
Mar 6, 2020	Deed of Trust, Mortgage · Conventional Mortgage GOLDEN EMPIRE MORTGAGE INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 9, 2006 · Amount on File
Deed Sale	Feb 9, 2006 · Amount on File
Prior Sale	Jun 6, 2003 · Amount on File
Deed Document Number	200620123
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	123 11TH AVE, SAN MATEO, CA 94401-4310
Transaction Type	Mortgage
Record Updated	Feb 24, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	123 11TH AVE, SAN MATEO, CA 94401-4310

Mortgage

Document Number	0000015133
Date	Jan 29, 2021
Instrument	2021-015133

Lender

Name	GOLDEN EMPIRE MORTGAGE INC
Type	Mortgage Company
Address	BAKERSFIELD, CA 93309

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2051

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	123 11TH AVE, SAN MATEO, CA 94401-4310
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000060737
Date	Aug 3, 2018
Instrument	2018-060737

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	ARM
Amount	Amount on Record
Term	360 Months
Due	Aug 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	4.12%
Type Change Date	Aug 1, 2023
Change Frequency	6 Months
Min Rate At Change	2.25%
Max Rate At Change	6.12%
Index	1-Year CMT
Max Rate	10.1%

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	123 11TH AVE, SAN MATEO, CA 94401-4310
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000060738
Date	Aug 3, 2018
Instrument	2018-060738

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	359 Months
Due	Jul 27, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	123 11TH AVE, SAN MATEO, CA 94401-4310
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000053866
Date	Jun 23, 2017
Instrument	2017-053866

Lender

Name	CRESTLINE FUNDING CORP
Type	Mortgage Company
Address	IRVINE, CA 92612

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	4%
Type Change Date	Jul 1, 2024
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	9%
Index	1-Year LIBOR
Max Rate	9%

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	123 11TH AVE, SAN MATEO, CA 94401-4310
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000020580
Date	Mar 6, 2020
Instrument	2020-020580

Lender

Name	GOLDEN EMPIRE MORTGAGE INC
Type	Mortgage Company
Address	BAKERSFIELD, CA 93309

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Mar 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 123 11th Ave was $17,496.

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		$1,348,504 (+2%) Land $602,860 Building $745,644
2025	$17,496.00	$1,322,065 Land $591,040 Building $731,025
2023	$16,830.00 (+0.85%)	$1,270,730 Land $568,090 Building $702,640	$1,389,870
2022	$16,688.00

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

Flood

FEMA maps place 123 11th Ave in Zone X, an area of minimal flood risk.

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	3 in force

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 123 11th 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 906 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	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Sonic Telecom Fiber	1,000 / 1,000
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Unwired, Verizon.

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