850 Jefferson Ct, San Mateo, CA 94401 Property Records

San Mateo County property record for 850 Jefferson Ct, San Mateo, CA 94401

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 880 sqft · built 1918
Lot Size	0.145 acres (6,307 sqft)
Owner	2 Trust Names on File
Last Sale	$1,340,000 (Apr 2023)
Tax Bill	$17,444 (2025)
Deeds & Mortgages	Apr 2023 Sale Mar 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`032-115-240`

Property Details

APN / Parcel Number

Primary APN	`032-115-240`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	880 sqft Living Area
1st Floor Area	880 sqft
Family Room	Family Room

Exterior

Year Built	Built 1918
Effective Year Built	Effective 1918
Lot Area	6,307 sqft (0.145 acres)
Lot Dimensions	139 ft deep x 45 ft wide
Garage Area	190 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	850 JEFFERSON CT
City	SAN MATEO
State	CA
Zip	94401-2206
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RM0000
Legal Description	SLY 45 FT OF LOT 19 BLOCK 5 CENTRAL ADDITION TO SAN MATEO RSM A/54 CITY OF SAN MATEO
Legal Subdivision	CENTRAL ADDITION TO SAN MATEO
Legal Block	5
Legal Lot Number	19
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2002
Census Tract	605901

Owner

850 Jefferson Ct is held in a trust since April 2023.

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

Owner of Record	2 Trust Names on File
Mailing Address	528 LOMITA CT, MILLBRAE, CA 94030-1125
Owner Type	Company
Vesting	Trust

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
Apr 21, 2023	Grant Deed, Transfer DOMA TITLE OF CALIFORNIA INC
Mar 26, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP
Mar 26, 2021	Intrafamily Transfer, Transfer NORTH AMERICAN TITLE CO INC
Jul 22, 2020	Grant Deed, Transfer · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP
Aug 29, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 21, 2023 · Amount on File
Deed Sale	Apr 21, 2023 · Amount on File
Prior Sale	Jan 15, 2016 · Amount on File
Deed Document Number	202317898
Prior Transfer Date	Mar 17, 2021
Prior Transfer Doc	0000049347
Record Updated	Oct 29, 2026

April 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 21, 2023
Property Address	850 JEFFERSON CT, SAN MATEO, CA 94401-2206
Document Number	0000017898
Map Reference	LB A PG 54
Instrument Date	Apr 17, 2023
Instrument	2023-017898
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	DOMA TITLE OF CALIFORNIA INC

Transaction

Amount	Amount on Record
Tax	$8,174.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	528 LOMITA CT, MILLBRAE, CA 94030-1125

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Mar 26, 2021
Property Address	850 JEFFERSON CT, SAN MATEO, CA 94401-2206
Document Number	0000049345
Map Reference	LB A PG 54
Instrument Date	Mar 17, 2021
Instrument	2021-049345
Transaction Type	Transfer
Record Updated	May 30, 2023
Title Company	NORTH AMERICAN TITLE CO INC

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
Address	850 JEFFERSON CT, SAN MATEO, CA 94401-2206

Mortgage

Document Number	0000049346
Date	Mar 26, 2021
Instrument	2021-049346

Lender

Name	GENERAL MORTGAGE CAPITAL CORP
Type	Mortgage Company
Address	BURLINGAME, CA 94010

Agreement

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

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Mar 26, 2021
Property Address	850 JEFFERSON CT, SAN MATEO, CA 94401-2206
Document Number	0000049347
Map Reference	LB A PG 54
Instrument Date	Mar 17, 2021
Instrument	2021-049347
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	NORTH AMERICAN TITLE CO INC

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
Address	1238 EDINBURGH ST, SAN MATEO, CA 94402-2915

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jul 22, 2020
Property Address	850 JEFFERSON CT, SAN MATEO, CA 94401-2206
Document Number	0000070516
Map Reference	LB 4 PG 27
Instrument Date	Jul 16, 2020
Instrument	2020-070516
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	CHICAGO TITLE COMPANY

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1238 EDINBURGH ST, SAN MATEO, CA 94402-2915

Mortgage

Document Number	0000070517
Date	Jul 22, 2020
Instrument	2020-070517

Lender

Name	GENERAL MORTGAGE CAPITAL CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2050

August 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 29, 2018
Property Address	850 JEFFERSON CT, SAN MATEO, CA 94401-2206
Document Number	0000067736
Instrument Date	Jun 13, 2018
Instrument	67736
Transaction Type	Transfer
Record Updated	Sep 17, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	1238 EDINBURGH ST SAN MATEO CA 944022915, SAN MATEO, CA 94402-2915

Tax Assessment & Valuation

The 2025 property tax bill for 850 Jefferson Ct was $17,444.

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		$1,422,018 (+2%) Land $1,103,656 Building $318,362
2025	$17,444.00	$1,394,136 Land $1,082,016 Building $312,120
2023	$13,837.00 (-0.5%)	$1,080,932 Land $967,151 Building $113,781	$1,165,500
2022	$13,906.00

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

Flood

FEMA maps place 850 Jefferson Ct in Zone X, an area of minimal flood risk.

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

The area around 850 Jefferson Ct 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 713 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
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

Nearby Properties on Jefferson Ct

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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