221 Lassen Ave, Mountain View, CA 94043 Property Records

Santa Clara County property record for 221 Lassen Ave, Mountain View, CA 94043

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,280 sqft · built 1955
Lot Size	0.117 acres (5,100 sqft)
Owner	Individual Name on File
Last Sale	$1,770,000 (Nov 2020)
Tax Bill	$22,467 (2025)
Deeds & Mortgages	Nov 2020 Sale & Mortgage
Flood Zone	Zone X (reduced by levee)
APN	`147-34-035`

Property Details

APN / Parcel Number

Primary APN	`147-34-035`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,280 sqft Living Area
1st Floor Area	1,280 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Architectural Style	Other
Exterior Material	Wood
Construction Type	Wood
Lot Area	5,100 sqft (0.117 acres)
Lot Dimensions	100 ft deep x 51 ft wide
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	221 LASSEN AVE
City	MOUNTAIN VIEW
State	CA
Zip	94043-4118
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TR 1424 BLK 6 LOT 2
Legal Subdivision	1424
Legal Tract	1424
Legal Block	6
Legal Lot Number	2
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1010
Census Tract	509302

Owner

Source: Santa Clara County records · APN 147-34-035

Assessment roll updated July 1, 2025 · Last verified October 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Co-owner	Verified Secondary Owner
Mailing Address	221 LASSEN AVE, MOUNTAIN VIEW, CA 94043-4118
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 24, 2020 · Amount on Record
Deed Sale	Nov 24, 2020 · Amount on Record
Prior Sale	Jul 25, 2002 · Amount on Record
Deed Document Number	24722429
Record Updated	Jun 07, 2026

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Nov 24, 2020
Property Address	221 LASSEN AVE, MOUNTAIN VIEW, CA 94043-4118
Document Number	0024722429
Map Reference	MB 62 PG 8
Instrument Date	Oct 26, 2020
Instrument	24722429
Transaction Type	Transfer
Record Updated	Sep 01, 2021
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Notice of Default 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	221 LASSEN AVE, MOUNTAIN VIEW, CA 94043-4118

Mortgage

Document Number	0024722430
Date	Nov 24, 2020
Instrument	24722430

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 01, 2050

Interest

Rate Type	Adjustable Rate
Rate	1.87%
Type Change Date	Dec 01, 2027
Min Rate At Change	2.25%
Max Rate At Change	3.87%
Index	1-Year LIBOR
Max Rate	6.87%

Tax Assessment & Valuation

Source: Santa Clara County records · Assessment roll updated July 1, 2025 · Last verified October 2025

Property Jurisdictions

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

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$22,467.00 (+0.78%) Homeowner's exemption	$1,915,903 (+4.04%) Land $1,724,314 Building $191,589
2023	$22,294.00 (+0.29%) Homeowner's exemption	$1,841,507 Land $1,657,357 Building $184,150
2022	$22,229.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of January 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Not rated no burnable land within 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 as of December 31, 2025 · Last verified October 2026

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

May also be available: California Internet, Cruzio Internet, Sail Internet Holdings, T-Mobile USA.

Based on FCC filings for 588 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF MOUNTAIN VIEW serves 81,340 people
Water Source	Purchased surface water from several systems
Last State Inspection	Feb 2025
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	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.