528 S Mathilda Ave, Sunnyvale, CA 94086 Property Records

Santa Clara County property record for 528 S Mathilda Ave, Sunnyvale, CA 94086

Property Summary

Property Type	Multi-Family Dwellings
Details	5,276 sqft · built 1950
Lot Size	0.42 acres (18,288 sqft)
Owner	Company Name on Record
Last Sale	$6,450,000 (Oct 2021)
Tax Bill	$45,633 (2025)
Deeds & Mortgages	Oct 2021 Sale & Mortgage Dec 2020 Mortgage + 2 more
Flood Zone	Zone X (moderate risk)
APN	`209-29-060`

Property Details

APN / Parcel Number

Primary APN	`209-29-060`

Interior

Units	8 Units
Stories	2 Stories
Building Area	5,276 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace
Elevator	Elevator

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	18,288 sqft (0.42 acres)
Lot Dimensions	127 ft deep x 144 ft wide
Garage Area	16 sqft

Utilities, Heating & Cooling

Cooling System	None
Heating System	HVAC

Location & Zoning

Street Address	528 S MATHILDA AVE
City	SUNNYVALE
State	CA
Zip	94086-7650
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Local Zoning Code	DSP20
Legal Subdivision	ENCINAL
Legal Block	15
Legal Lot Number	18-20
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	2
Census Block	2008
Census Tract	508602

Owner

Source: Santa Clara County records, as of August 31, 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	14550 OAK ST, A, SARATOGA, CA 95070-6187
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
Oct 15, 2021	Grant Deed, Transfer · Commercial Mortgage CITIZENS EQUITY FIRST CU
Dec 7, 2020	Deed of Trust, Mortgage · Conventional Mortgage MAX BENJAMIN PARTNERS INC
Sep 13, 2019	Deed of Trust, Mortgage 34TH ALUM ROCK HOLDING CO LLC
Aug 27, 2019	Grant Deed, Transfer BOLOUR ASSOCIATES INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 15, 2021 · Amount on Record
Deed Sale	Oct 15, 2021 · Amount on Record
Prior Sale	Dec 23, 2016 · Amount on Record
Deed Document Number	202125135135
Prior Transfer Date	May 5, 2000
Prior Transfer Doc	0015248457
Record Updated	Oct 29, 2026

October 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Oct 15, 2021
Property Address	528 S MATHILDA AVE, SUNNYVALE, CA 94086-7650
Document Number	0025135135
Map Reference	MB I PG 88&89
Instrument Date	Oct 4, 2021
Instrument	25135135
Transaction Type	Transfer
Record Updated	Jul 25, 2022
Title Company	ORANGE COAST TITLE COMPANY

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	14550 OAK ST UNIT A, A, SARATOGA, CA 95070-6187

Mortgage

Document Number	0025135136
Date	Oct 15, 2021
Instrument	25135136

Lender

Name	CITIZENS EQUITY FIRST CU
Type	Credit Union

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	528 S MATHILDA AVE, SUNNYVALE, CA 94086-7650
Document Number	0024760811
Instrument Date	Dec 7, 2020
Transaction Type	Mortgage
Record Updated	Jan 8, 2021
Title Company	OTHER

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	560 S MATHILDA AVE SUNNYVALE CA 940867607, SUNNYVALE, CA 94086-7607

Mortgage

Document Number	0024760811
Date	Dec 23, 2020
Instrument	24760811

Lender

Name	MAX BENJAMIN PARTNERS INC
Address	8447 WILSHIRE BLVD # 100, BEVERLY HILLS, CA 90211-3228

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	528 S MATHILDA AVE, SUNNYVALE, CA 94086-7650
Document Number	0024290730
Instrument Date	Sep 13, 2019
Transaction Type	Mortgage
Record Updated	Oct 8, 2019
Title Company	OLD REPUBLIC TITLE

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	560 S MATHILDA AVE SUNNYVALE CA 940867607, SUNNYVALE, CA 94086-7607

Mortgage

Document Number	0024290730
Date	Sep 26, 2019
Instrument	24290730

Lender

Name	34TH ALUM ROCK HOLDING CO LLC
Address	8383 WILSHIRE BLVD # 460, BEVERLY HILLS, CA 90211-2446

Agreement

Amount	Amount Recorded

August 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Aug 27, 2019
Property Address	528 S MATHILDA AVE, SUNNYVALE, CA 94086-7650
Document Number	0024265223
Instrument Date	Aug 26, 2019
Instrument	24265223
Transaction Type	Transfer
Record Updated	Sep 12, 2019
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$7,260.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	560 S MATHILDA AVE SUNNYVALE CA 940867607, SUNNYVALE, CA 94086-7607

Mortgage

Document Number	24265224
Date	Aug 27, 2019
Instrument	24265224

Lender

Name	BOLOUR ASSOCIATES INC
Address	8383 WILSHIRE BLVD # 460, BEVERLY HILLS, CA 90211-2446

Agreement

Amount	Amount Recorded

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Municipality	Sunnyvale City
Secondary School District	Fremont Union High School District (09 - 12)
Elementary School District	Sunnyvale Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$3,930,688 (+2%) Land $3,929,607 Building $1,081
2025	$45,633.00 (+3.78%)	$3,853,616 (+4.04%) Land $3,852,556 Building $1,060
2024	$43,972.00 (+0.9%)
2023	$43,578.00 (+2.5%)	$3,703,977 Land $3,702,957 Building $1,020
2022	$42,517.00

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

Flood

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	3 in force
Nearby Flood Claims	1 (1986)
Most Recent Claim	Feb 1986 · Severe Storms & Flooding

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	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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	CITY OF SUNNYVALE serves 157,566 people · EPA ID CA4310014
Water Source	Purchased surface water from several systems
Last State Inspection	Sep 2024
Lead	Under 1 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	63 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 505 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable · Fiber in parts of the area	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Sail Internet.

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