654 Riviera Dr, Los Altos, CA 94024 Property Records

Santa Clara County property record for 654 Riviera Dr, Los Altos, CA 94024

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,696 sqft · built 1956
Lot Size	0.184 acres (8,000 sqft)
Owner	2 Individual Names on File
Last Sale	$3,825,000 (Nov 2022)
Tax Bill	$47,838 (2025)
Deeds & Mortgages	Nov 2022 Sale & Mortgage Nov 2021 Mortgage + 1 more
Flood Zone	Zone X (moderate risk)
APN	`189-36-048`

Property Details

APN / Parcel Number

Primary APN	`189-36-048`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,696 sqft Living Area
Gross Area	1,866 sqft
1st Floor Area	1,866 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	8,000 sqft (0.184 acres)
Lot Dimensions	100 ft deep x 80 ft wide
Garage Area	506 sqft
Parking Spaces	2 Parking Spaces
Pool Type	Pool with Hot Tub/Spa
Pool Area	3,243 sqft
Porch	Porch

Utilities, Heating & Cooling

Heating System	HVAC
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	654 RIVIERA DR
City	LOS ALTOS
State	CA
Zip	94024-3140
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R110
Legal Description	TRACT 1365 LOS A BOOK 54 PAGE 11 LOT 8
Legal Subdivision	LOS ALTOS
Legal Tract	1365
Legal Lot Number	8
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1005
Census Tract	510200

Owner

654 Riviera Dr is owned and occupied by two individuals who bought it in November 2022.

Source: Santa Clara County records, as of July 27, 2026

Owner of Record	2 Individual Names on File
Mailing Address	654 RIVIERA DR, LOS ALTOS, CA 94024-3140
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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
Nov 7, 2022	Grant Deed, Transfer · Conventional Mortgage HSBC BANK USA
Nov 16, 2021	Deed of Trust, Mortgage · VA Mortgage PLAZA HOME MORTGAGE INC
Dec 22, 2017	Deed of Trust, Mortgage · Commercial Mortgage BOSTON PRIVATE BANK & TRUST COMPANY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 7, 2022 · Amount on File
Deed Sale	Nov 7, 2022 · Amount on File
Deed Document Number	202225396707
Prior Transfer Date	Jun 3, 2015
Prior Transfer Doc	0022981313
Record Updated	Oct 29, 2026

November 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Nov 7, 2022
Property Address	654 RIVIERA DR, LOS ALTOS, CA 94024-3140
Document Number	0025396707
Map Reference	MB 54 PG 11
Instrument Date	Oct 26, 2022
Instrument	25396707
Transaction Type	Transfer
Record Updated	Nov 16, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	654 RIVIERA DR, LOS ALTOS, CA 94024-3140

Mortgage

Document Number	0025396708
Date	Nov 7, 2022
Instrument	25396708

Lender

Name	HSBC BANK USA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	5.17%
Type Change Date	Dec 1, 2029
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	10.1%
Index	Other
Margin	3
Max Rate	10.1%

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	654 RIVIERA DR, LOS ALTOS, CA 94024-3140
Transaction Type	Mortgage
Record Updated	Nov 24, 2021
Title Company	FIRST AMERICAN TITLE COMPANY RESID', FIRST AMER TTL CO RES DIV

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	654 RIVIERA DR, LOS ALTOS, CA 94024-3140

Mortgage

Document Number	0025169665
Date	Nov 16, 2021
Instrument	25169665

Lender

Name	PLAZA HOME MORTGAGE INC
Type	Mortgage Company
Address	SAN DIEGO, CA 92121

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2051

December 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	654 RIVIERA DR, LOS ALTOS, CA 94024-3140
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0023833773
Date	Dec 22, 2017
Instrument	23833773

Lender

Name	BOSTON PRIVATE BANK & TRUST COMPANY
Type	Bank
Address	SAN MATEO, CA 94402

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 654 Riviera Dr was $47,838 with a homeowner's exemption.

Source: Santa Clara County assessment roll, as of July 27, 2026

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Municipality	Los Altos City
Elementary School District	Los Altos Elementary School District (KG - 08)
Secondary School District	Mountain View-Los Altos Union School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$4,059,120 (+2%) Land $3,501,986 Building $557,134
2025	$47,838.00 Homeowner's exemption	$3,979,530 Land $3,433,320 Building $546,210
2023	$45,755.00 (+818.59%) Homeowner's exemption	$3,825,000 Land $3,300,000 Building $525,000
2022	$4,981.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 654 Riviera Dr in Zone X, an area of moderate flood risk.

Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	7 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

The area around 654 Riviera Dr 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	CWSC LOS ALTOS SUBURBAN private · serves 63,559 people · EPA ID CA4310001
Water Source	Purchased surface water from several systems
Last State Inspection	Aug 2024
Lead	2 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 563 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Cruzio Fixed Wireless	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60

May also be available: GeoLinks, T-Mobile.

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