1646 Roberta Dr, San Mateo, CA 94403 Property Records

San Mateo County property record for 1646 Roberta Dr, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,740 sqft · built 1958
Lot Size	0.134 acres (5,850 sqft)
Owner	2 Company Names on File
Last Sale	$1,200,000 (Jul 2016)
Tax Bill	$17,881 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Apr 2021 Mortgage + 5 more
Flood Zone	Zone X (reduced by levee)
APN	`035-313-180`

Property Details

APN / Parcel Number

Primary APN	`035-313-180`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,740 sqft Living Area
1st Floor Area	1,220 sqft
Family Room	Family Room

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1958
Lot Area	5,850 sqft (0.134 acres)
Lot Dimensions	106 ft deep x 55 ft wide
Garage Area	490 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1646 ROBERTA DR
City	SAN MATEO
State	CA
Zip	94403-1027
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R106
Legal Description	LOT 27 BLOCK 7 PARKSIDE UNIT NO 4 RSM 41/31 37 CITY OF SAN MATEO
Legal Subdivision	PARKSIDE UNIT NO 4
Legal Block	7
Legal Lot Number	27
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1000
Census Tract	607800

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Company Names on File
Mailing Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
Apr 16, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage US BANK NA
Apr 13, 2020	Deed of Trust, Mortgage · Line of Credit US BANK NA
Feb 8, 2018	Deed of Trust, Mortgage · Line of Credit US BANK NA
Sep 23, 2019	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
Apr 6, 2020	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
Nov 6, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 8, 2016 · Amount on File
Deed Sale	Jul 8, 2016 · Amount on File
Deed Document Number	201666476
Last Transfer Date	Jan 31, 2020
Transfer Doc	0000124981
Record Updated	Sep 20, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027
Transaction Type	Mortgage
Record Updated	Nov 4, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027

Mortgage

Document Number	0000144788
Date	Oct 13, 2021
Instrument	2021-144788

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.5%
Type Change Date	Nov 1, 2028
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	7.5%
Index	1-Year CMT
Max Rate	7.5%

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Apr 16, 2021
Property Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027
Document Number	0000060891
Map Reference	MB 41 PG 31-37
Instrument Date	Apr 5, 2021
Instrument	2021-060891
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	FIDELITY NATIONAL TITLE

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
Relationship	Revocable Trust
Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027

Mortgage

Document Number	0000060892
Date	Apr 16, 2021
Instrument	2021-060892

Lender

Name	US BANK NA
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	May 1, 2028
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	7.75%
Index	1-Year CMT
Max Rate	7.75%

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027
Transaction Type	Mortgage
Record Updated	Feb 7, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000033114
Date	Apr 13, 2020
Instrument	2020-033114

Lender

Name	US BANK NA
Type	Bank
Address	LA JOLLA, CA 92037

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000008517
Date	Feb 8, 2018
Instrument	2018-008517

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	359 Months
Due	Jan 11, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000077773
Date	Sep 23, 2019
Instrument	2019-077773

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	3.12%
Type Change Date	Oct 1, 2026
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	8.12%
Index	1-Year LIBOR
Max Rate	8.12%

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000030943
Date	Apr 6, 2020
Instrument	2020-030943

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	3%
Type Change Date	Apr 1, 2027
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	8%
Index	1-Year CMT
Max Rate	8%

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 6, 2020
Property Address	1646 ROBERTA DR, SAN MATEO, CA 94403-1027
Document Number	0000124981
Instrument Date	Jan 31, 2020
Instrument	124981
Transaction Type	Transfer
Record Updated	Dec 11, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1646 ROBERTA DR SAN MATEO CA 944031027, SAN MATEO, CA 94403-1027

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		$1,420,548 (+2%) Land $1,006,223 Building $414,325
2025	$17,881.00 (+1.6%)	$1,392,695 (+4.04%) Land $986,494 Building $406,201
2024	$17,600.00 (+1.99%)
2023	$17,257.00 (+0.78%)	$1,338,617 Land $948,188 Building $390,429	$1,639,620
2022	$17,123.00

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

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 29 policies
Nearby Flood Policies	29 in force
Nearby Flood Claims	5 (2010–2015)
Claims Outside the SFHA	3 of 5
Most Recent Claim	Feb 2015 · rainfall accumulation

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 856 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	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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