809 Eleventh Ave, Sunnyvale, CA 94089 Property Records

Santa Clara County property record for 809 Eleventh Ave, Sunnyvale, CA 94089 · Last verified August 2026

Property Summary

Property Type	R&D Facility, Laboratory
Details	175,082 sqft · built 2001
Lot Size	4.32 acres (188,614 sqft)
Owner	Company Name on File
Tax Bill	$515,237 (2025)
Deeds & Mortgages	Dec 2023 Sale
Flood Zone	Zone X (reduced by levee)
APN	`110-45-004`

Property Details

APN / Parcel Number

Primary APN	`110-45-004`

Interior

Stories	4 Stories
Building Area	175,082 sqft Total Area
Fire Sprinklers	Fire Sprinklers
Elevator	Elevator

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	Custom Design
Construction Type	Concrete
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	188,614 sqft

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Street Address	809 ELEVENTH AVE
City	SUNNYVALE
State	CA
Zip	94089-4731
Property Category	Industrial
Property Type	Industrial > R&D Facility, Laboratory
Legal Description	LOT 4
Legal Subdivision	TRACT #9800 MOFFETT PARK SUBDIVISION
Legal Lot Number	4
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1095
Census Tract	504602

Owner

Source: Santa Clara County records · APN 110-45-004

Assessment roll updated July 27, 2026 · Last verified August 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 File
Mailing Address	4 EMBARCADERO CTR, 3620, SAN FRANCISCO, CA 94111-4112
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Jan 16, 2007
Transfer Doc	0019303929
Record Updated	Sep 20, 2026

December 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Dec 28, 2023
Property Address	809 ELEVENTH AVE, SUNNYVALE, CA 94089-4731
Document Number	0025580344
Map Reference	MB 740 PG 7&8
Instrument Date	Oct 26, 2023
Instrument	25580344
Transaction Type	Transfer
Record Updated	Jan 05, 2024
Title Company	FIRST AMERICAN TITLE INSURANCE COMPANY NA, FIRST AMER TTL INS CO NATL C

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4 EMBARCADERO CTR STE 3620, 3620, SAN FRANCISCO, CA 94111-4112

Tax Assessment & Valuation

Source: Santa Clara County records · Assessment roll updated July 27, 2026 · Last verified August 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

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

Year	Tax Bill	Assessed Value
2026		$44,394,446 (+2%) Land $12,501,897 Building $31,892,549
2025	$515,237.00 (+3.77%)	$43,523,967 (+4.04%) Land $12,256,762 Building $31,267,205
2024	$496,538.00 (+0.93%)
2023	$491,940.00 (+1.6%)	$41,833,880 Land $11,780,818 Building $30,053,062
2022	$484,199.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Santa Clara County (06085C), updated January 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060855046021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Reduced by levee depends on levee performance
500-Year Floodplain	No
Flood Insurance Cost	Premium on Record median of 178 individual NFIP policies nearby
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	202 units insured 24 under condo master policies
Nearby Flood Claims	79 (1982–2017)
Most Recent Claim	Jan 2017, rainfall accumulation
Claims By Storm	Severe Winter Storms And Flooding, Mar 1998 · 3 claims Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 59 claims

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 35 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 250
Etheric Communications, LLC.	Fixed Wireless (licensed-by-rule)	250 / 100
Tekify	Fixed Wireless (unlicensed)	122 / 27
AT&T	Fixed Wireless	100 / 20
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: T-Mobile USA, Verizon, California Internet, Sail Internet Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.