78 E 21st Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 78 E 21st Ave, San Mateo, CA 94403

Property Summary

Property Type	Retail Stores (Personal Services, Photography, Travel)
Lot Size	0.115 acres (5,000 sqft)
Owner	Company Name on Record
Last Sale	$1,550,000 (Apr 2024)
Tax Bill	$20,012 (2025)
Deeds & Mortgages	Apr 2024 Sale Mar 2017 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`039-073-370`

Property Details

APN / Parcel Number

Primary APN	`039-073-370`

Exterior

Lot Area	5,000 sqft (0.115 acres)

Location & Zoning

Street Address	78 E 21ST AVE
City	SAN MATEO
State	CA
Zip	94403-1803
Property Category	Commercial
Property Type	Commercial > Retail > Retail Stores (Personal Services, Photography, Travel)
Local Zoning Code	C40001
Legal Description	5000 SQ FT MOL ON SELY LN OF TWENTY FIRST AVE, ACREAGE IN CITY OF SAN MATEO
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2028
Census Tract	607500

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	Company Name on Record
Mailing Address	353 W POPLAR AVE, SAN MATEO, CA 94402-1155
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
Apr 1, 2024	Grant Deed, Transfer FIRST AMERICAN TITLE INSURANCE COMPANY NC, FIRST AMER TTL INS CO NCS
Mar 20, 2017	Quit Claim Deed, Transfer Quitclaim
Mar 9, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 1, 2024 · Amount on Record
Deed Sale	Apr 1, 2024 · Amount on Record
Deed Document Number	202416809
Prior Transfer Date	Mar 3, 2017
Prior Transfer Doc	0000024199
Record Updated	Sep 20, 2026

April 2024: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 1, 2024
Property Address	78 E 21ST AVE, SAN MATEO, CA 94403-1803
Document Number	0000016809
Instrument Date	Mar 27, 2024
Instrument	2024-016809
Transaction Type	Transfer
Record Updated	Apr 22, 2024
Title Company	FIRST AMERICAN TITLE INSURANCE COMPANY NC, FIRST AMER TTL INS CO NCS

Transaction

Amount	Amount Recorded
Tax	$9,455.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	353 W POPLAR AVE, SAN MATEO, CA 94402-1155

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Mar 20, 2017
Property Address	78 E 21ST AVE, SAN MATEO, CA 94403-1803
Document Number	0000024199
Instrument Date	Mar 3, 2017
Instrument	24199
Transaction Type	Transfer
Record Updated	Apr 4, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	PO BOX 31051 SAN FRANCISCO CA 941310051, SAN FRANCISCO, CA 94131-0051

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Mar 9, 2017
Property Address	78 E 21ST AVE, SAN MATEO, CA 94403-1803
Document Number	0000021119
Instrument Date	Mar 3, 2017
Instrument	21119
Transaction Type	Transfer
Record Updated	Mar 27, 2017

Transaction

Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	PO BOX 31051 SAN FRANCISCO CA 941310051, SAN FRANCISCO, CA 94131-0051

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
2026		$1,612,619 (+2%) Land $996,703 Building $615,916
2025	$20,012.00 (+85.69%)	$1,581,000 (+112.78%) Land $977,160 Building $603,840
2024	$10,777.00 (+11.99%)
2023	$9,623.00 (-5.63%)	$743,024 Land $385,716 Building $357,308
2022	$10,197.00

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 minimal risk
Nearest Special Flood Hazard Area	Zone AH, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 15 policies
Nearby Flood Policies	15 in force
Nearby Flood Claims	1 (2022)
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 423 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 · Fiber in parts of the area	1,500 / 50
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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