678 Ralston Ave, Belmont, CA 94002 Property Records

San Mateo County property record for 678 Ralston Ave, Belmont, CA 94002

Property Summary

Property Type	Commercial Office
Details	2,885 sqft · built 1961
Lot Size	0.361 acres (15,717 sqft)
Owner	Company Name on Record
Last Sale	$4,550,000 (Feb 2026)
Tax Bill	$54,155 (2025)
Deeds & Mortgages	Feb 2026 Mortgage Jul 2024 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`040-313-280`

Property Details

APN / Parcel Number

Primary APN	`040-313-280`

Interior

Stories	1 Story
Building Area	2,885 sqft Gross Area
1st Floor Area	2,885 sqft

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1961
Lot Area	15,717 sqft (0.361 acres)

Location & Zoning

Street Address	678 RALSTON AVE
City	BELMONT
State	CA
Zip	94002-2813
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Local Zoning Code	C30000
Legal Description	HAV 130 FT FRONT ON NWLY LN OF RALSTON AVE COM 149.37 FT FR OLD COUNTY RD ACREAGE CITY OF BELMONT
Legal Subdivision	BELMONT
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3016
Census Tract	608600

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	40847 FREMONT BLVD, FREMONT, CA 94538-4306
Owner Type	Company
Vesting	Limited Partnership

Deeds, Mortgages & Sale History

Date	Document
Feb 4, 2026	Deed of Trust, Mortgage · Commercial Mortgage COUNTY OF SAN MATEO
Jul 2, 2024	Deed of Trust, Mortgage · Commercial Mortgage HOUSING ENDOWMENT AND REGIONAL TRUST OF
Feb 4, 2026	Grant Deed, Transfer · Commercial Mortgage COUNTY OF SAN MATEO
Mar 1, 2024	Grant Deed, Construction Loan · Construction Mortgage HOUSING ENDOWMENT AND REGIONAL TRUS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 4, 2026 · Amount on Record
Deed Sale	Feb 4, 2026 · Amount on Record
Prior Sale	Mar 1, 2024 · Amount on Record
Deed Document Number	20265620
Prior Transfer Date	Sep 29, 2012
Prior Transfer Doc	0000157951
Record Updated	Oct 29, 2026

February 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	678 RALSTON AVE, BELMONT, CA 94002-2813
Transaction Type	Mortgage
Record Updated	Mar 9, 2026
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	122 E 42ND ST 1903, 1903, NEW YORK, NY 10168-1999

Mortgage

Document Number	0000005627
Date	Feb 4, 2026
Instrument	2026-005627

Lender

Name	COUNTY OF SAN MATEO
Type	Government Agency
Address	BELMONT, CA 94002

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

July 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	678 RALSTON AVE, BELMONT, CA 94002-2813
Transaction Type	Mortgage
Record Updated	Mar 9, 2026
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000035142
Date	Jul 2, 2024
Instrument	2024-035142

Lender

Name	HOUSING ENDOWMENT AND REGIONAL TRUST OF
Type	Government Agency
Address	SAN MATEO, CA 94403

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

February 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 4, 2026
Property Address	678 RALSTON AVE, BELMONT, CA 94002-2813
Document Number	0000005620
Instrument Date	Dec 19, 2025
Instrument	2026-005620
Transaction Type	Transfer
Record Updated	Mar 9, 2026
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Loan-to-Value (LTV)	LTV on Record
Tax	$5,005.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	40847 FREMONT BLVD, FREMONT, CA 94538-4306

Mortgage

Document Number	0000005625
Date	Feb 4, 2026
Instrument	2026-005625

Lender

Name	COUNTY OF SAN MATEO
Type	Government Agency

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Mortgage

Document Number	0000005626
Date	Feb 4, 2026
Instrument	2026-005626

Lender

Name	COUNTY OF SAN MATEO
Type	Government Agency
Address	BELMONT, CA 94002

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

March 2024: Grant Deed, Construction Loan

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Mar 1, 2024
Property Address	678 RALSTON AVE, BELMONT, CA 94002-2813
Document Number	0000011234
Instrument Date	Feb 8, 2024
Instrument	2024-011234
Transaction Type	Construction Loan
Record Updated	Mar 25, 2024
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$5,005.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	122 E 42ND ST RM 1903, 1903, NEW YORK, NY 10168-1999

Mortgage

Document Number	0000011236
Date	Mar 1, 2024
Instrument	2024-011236

Lender

Name	HOUSING ENDOWMENT AND REGIONAL TRUS
Type	Government Agency

Agreement

Type	Construction Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

Type	Name
State	California
Municipality	Belmont City
County	San Mateo County
Elementary School District	Belmont-Redwood Shores Elementary School District (KG - 08)
Secondary School District	Sequoia Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$4,733,820 (+2%) Land $4,723,416 Building $10,404
2025	$54,155.00 (+355.2%)	$4,641,000 (+661.64%) Land $4,630,800 Building $10,200
2023	$11,897.00 (+17.64%)	$609,345 Land $477,333 Building $132,012
2022	$10,113.00

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

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	MID-PENINSULA WATER DISTRICT serves 31,059 people · EPA ID CA4110001
Water Source	Purchased surface water from several systems
Last State Inspection	Feb 2025
Lead	Under 1 ppb (2022–2024) 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 512 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
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, GeoLinks, Sonic Telecom, Verizon.

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