406 Sierra Ave, Mountain View, CA 94041 Property Records

Santa Clara County property record for 406 Sierra Ave, Mountain View, CA 94041

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,344 sqft · built 1946
Lot Size	0.138 acres (5,994 sqft)
Owner	2 Individual Names on File
Last Sale	$1,910,000 (Dec 2020)
Tax Bill	$27,245 (2025)
Deeds & Mortgages	Dec 2021 Line of Credit Oct 2021 Mortgage + 5 more
Flood Zone	Zone X (reduced by levee)
APN	`158-05-047`

Property Details

APN / Parcel Number

Primary APN	`158-05-047`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,344 sqft Living Area
Gross Area	2,031 sqft
1st Floor Area	1,486 sqft
2nd Floor Area	545 sqft
Family Room	Family Room

Exterior

Year Built	Built 1946
Effective Year Built	Effective 2023
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	5,994 sqft (0.138 acres)
Lot Dimensions	100 ft deep x 65 ft wide
Garage Area	545 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	406 SIERRA AVE
City	MOUNTAIN VIEW
State	CA
Zip	94041-2143
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 235 LOT 14
Legal Subdivision	234 GLUMAS ADD 02
Legal Tract	235
Legal Lot Number	14
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1009
Census Tract	509700

Owner

406 Sierra Ave is owned and occupied by two individuals who bought it in December 2020.

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

Owner of Record	2 Individual Names on File
Mailing Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143
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
Dec 15, 2021	Deed of Trust, Mortgage · Line of Credit STANFORD FCU
Oct 22, 2021	Deed of Trust, Mortgage · Conventional Mortgage STANFORD FCU
May 4, 2021	Deed of Trust, Mortgage · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC
Dec 9, 2020	Grant Deed, Transfer · Construction Mortgage YONGHOON KIM
Feb 17, 2017	Affidavit of Death, Transfer ATTORNEY ONLY
Feb 17, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY
Feb 17, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 9, 2020 · Amount on File
Deed Sale	Dec 9, 2020 · Amount on File
Deed Document Number	202024741734
Prior Transfer Date	Feb 9, 2017
Prior Transfer Doc	0023584833
Record Updated	Sep 20, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143
Transaction Type	Mortgage
Record Updated	Dec 24, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143

Mortgage

Document Number	0025195655
Date	Dec 15, 2021
Instrument	25195655

Lender

Name	STANFORD FCU
Type	Credit Union
Address	PALO ALTO, CA 94303

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	240 Months
Due	Dec 15, 2041

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143
Transaction Type	Mortgage
Record Updated	Nov 2, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143

Mortgage

Document Number	0025141707
Date	Oct 22, 2021
Instrument	25141707

Lender

Name	STANFORD FCU
Type	Credit Union
Address	PALO ALTO, CA 94303

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, 2031
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	7.5%
Index	Other
Margin	3
Max Rate	7.5%

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143
Transaction Type	Mortgage
Record Updated	May 12, 2021
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143

Mortgage

Document Number	0024947371
Date	May 4, 2021
Instrument	24947371

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company
Address	BRECKSVILLE, OH 44141

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	May 1, 2051

December 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Dec 9, 2020
Property Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143
Document Number	0024741734
Instrument Date	Dec 2, 2020
Instrument	24741734
Transaction Type	Transfer
Record Updated	Dec 21, 2020
Title Company	CORNERSTONE TITLE COMPANY, CORNERSTONE TITLE CO

Transaction

Amount	Amount on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,101.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	406 SIERRA AVE MOUNTAIN VIEW CA 940412143, MOUNTAIN VIEW, CA 94041-2143

Mortgage

Document Number	24741735
Date	Dec 9, 2020
Instrument	24741735

Lender

Name	YONGHOON KIM

Agreement

Type	Construction Mortgage
Amount	Amount on Record
Term	12 Months
Due	Dec 8, 2021

February 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SANTA CLARA CA
Recording Date	Feb 17, 2017
Property Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143
Document Number	0023584815
Instrument Date	Feb 9, 2017
Instrument	23584815
Transaction Type	Transfer
Record Updated	Feb 27, 2017
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1828 COMSTOCK LN SAN JOSE CA 951241704, SAN JOSE, CA 95124-1704

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Feb 17, 2017
Property Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143
Document Number	0023584833
Instrument Date	Feb 9, 2017
Instrument	23584833
Transaction Type	Transfer
Record Updated	Feb 27, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1828 COMSTOCK LN SAN JOSE CA 951241704, SAN JOSE, CA 95124-1704

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Feb 17, 2017
Property Address	406 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2143
Document Number	0023584847
Instrument Date	Feb 9, 2017
Instrument	23584847
Transaction Type	Transfer
Record Updated	Feb 27, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1828 COMSTOCK LN SAN JOSE CA 951241704, SAN JOSE, CA 95124-1704

Tax Assessment & Valuation

The 2025 property tax bill for 406 Sierra Ave was $27,245.

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

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

Year	Tax Bill	Assessed Value
2026		$2,353,285 (+2%) Land $1,887,977 Building $465,308
2025	$27,245.00	$2,307,143 Land $1,850,958 Building $456,185
2023	$23,542.00 (+0.26%)	$1,987,164 Land $1,779,084 Building $208,080
2022	$23,480.00

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

Flood

FEMA maps place 406 Sierra Ave in Zone X, where a levee reduces flood risk.

Source: FEMA National Flood Hazard Layer, effective January 18, 2026

FEMA Flood Zone	Zone X reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 406 Sierra Ave 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	CITY OF MOUNTAIN VIEW serves 81,340 people · EPA ID CA4310007
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, 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 736 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
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: Cruzio, GeoLinks.

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