1100 9th Ave, San Mateo, CA 94402 Property Records

San Mateo County property record for 1100 9th Ave, San Mateo, CA 94402

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,580 sqft · built 1938
Lot Size	0.107 acres (4,640 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,400,000 (Feb 2026)
Tax Bill	$14,083 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Feb 2026 Sale & Mortgage + 3 more
Flood Zone	Zone X (reduced by levee)
APN	`033-323-010`

Property Details

APN / Parcel Number

Primary APN	`033-323-010`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Building Area	1,580 sqft Living Area
Gross Area	1,970 sqft
1st Floor Area	1,190 sqft
Basement Area	390 sqft
Family Room	Family Room

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1938
Lot Area	4,640 sqft (0.107 acres)
Lot Dimensions	92 ft deep x 50 ft wide
View / Lot	Corner
Garage Type	Basement
Garage Area	390 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1100 9TH AVE
City	SAN MATEO
State	CA
Zip	94402-1426
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20000
Legal Description	LOT 13 BLOCK 23 SUB OF BLOCKS 20 TO 23 RESUB OF PTN OF RESUBBLKS 5 10 16 31 EAST SAN MATEO RSM 18/3 CITY OF SAN MATEO
Legal Subdivision	EAST SAN MATEO
Legal Block	23,20
Legal Lot Number	13
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1019
Census Tract	606300

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 Individual Names on Record
Mailing Address	1100 9TH AVE, SAN MATEO, CA 94402-1426
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Date	Document
Mar 19, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Feb 13, 2026	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Sep 11, 2025	Grant Deed, Transfer
Oct 26, 2017	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Oct 26, 2017	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 13, 2026 · Amount on Record
Deed Sale	Feb 13, 2026 · Amount on Record
Prior Sale	Aug 6, 2025 · Amount on Record
Deed Document Number	20267427
Prior Transfer Date	Sep 15, 2014
Prior Transfer Doc	0000085955
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	1100 9TH AVE, SAN MATEO, CA 94402-1426
Transaction Type	Mortgage
Record Updated	Mar 20, 2026
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1100 9TH AVE, SAN MATEO, CA 94402-1426

Mortgage

Document Number	0000044579
Date	Mar 19, 2021
Instrument	2021-044579

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

February 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 13, 2026
Property Address	1100 9TH AVE, SAN MATEO, CA 94402-1426
Document Number	0000007427
Map Reference	MB 18 PG 3
Instrument Date	Feb 11, 2026
Instrument	2026-007427
Transaction Type	Transfer
Record Updated	Mar 20, 2026
Title Company	LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$14,640.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	1100 9TH AVE, SAN MATEO, CA 94402-1426

Mortgage

Document Number	0000007428
Date	Feb 13, 2026
Instrument	2026-007428

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.12%
Type Change Date	Mar 1, 2033
Change Frequency	6 Months
Min Rate At Change	3.12%
Max Rate At Change	7.12%
Index	SOFR Average 30-Day
Max Rate	10.1%

September 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Sep 11, 2025
Property Address	1100 9TH AVE, SAN MATEO, CA 94402-1426
Document Number	0000047381
Map Reference	MB 18 PG 3
Instrument Date	Aug 19, 2025
Instrument	2025-047381
Transaction Type	Transfer
Record Updated	Oct 13, 2025

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	244 9TH ST, SAN FRANCISCO, CA 94103-3807

Transferred To (Grantee/Buyer)

Name	Verified Name

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	1100 9TH AVE, SAN MATEO, CA 94402-1426
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000094836
Date	Oct 26, 2017
Instrument	2017-094836

Lender

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

Agreement

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

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	1100 9TH AVE, SAN MATEO, CA 94402-1426
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000094837
Date	Oct 26, 2017
Instrument	2017-094837

Lender

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

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Nov 20, 2047

Interest

Rate Type	Adjustable Rate

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		$1,740,000 (+68.69%) Land $1,225,000 Building $515,000
2025	$14,083.00 (+1.24%)	$1,031,478 (+4.04%) Land $515,739 Building $515,739
2024	$13,911.00 (+4.24%)
2023	$13,345.00 (+1.34%)	$991,426 Land $495,713 Building $495,713	$1,542,870
2022	$13,168.00

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

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 reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	5 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

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 915 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	1,500 / 50
Sonic Telecom Fiber	1,000 / 1,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

Nearby Properties on 9th Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures