274 Diablo Ave, Mountain View, CA 94043 Property Records

Santa Clara County property record for 274 Diablo Ave, Mountain View, CA 94043

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,720 sqft · built 1955
Lot Size	0.122 acres (5,300 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,000,000 (Nov 2020)
Tax Bill	$25,501 (2025)
Deeds & Mortgages	Oct 2025 Mortgage Jan 2021 Transfer + 3 more
Flood Zone	Zone X (reduced by levee)
APN	`147-33-029`

Property Details

APN / Parcel Number

Primary APN	`147-33-029`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,720 sqft Living Area
1st Floor Area	1,720 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,300 sqft (0.122 acres)
Lot Dimensions	100 ft deep x 53 ft wide
Garage Area	378 sqft
Parking Spaces	1 Parking Space
Porch	None

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	274 DIABLO AVE
City	MOUNTAIN VIEW
State	CA
Zip	94043-4117
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 1424 BOOK 62 PAGE 8 BLOCK 1 LOT 21
Legal Subdivision	1424 ALSIP SUB
Legal Tract	1424
Legal Block	1
Legal Lot Number	21
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1009
Census Tract	509302

Owner

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

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

Owner of Record	2 Individual Names on Record
Mailing Address	280 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4117
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 23, 2025	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Jan 29, 2021	Quit Claim Deed, Transfer ATTORNEY ONLY
Nov 17, 2020	Grant Deed, Transfer ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA
Nov 17, 2020	Affidavit of Death, Transfer ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA
Dec 14, 2020	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 17, 2020 · Amount on Record
Deed Sale	Nov 17, 2020 · Amount on Record
Deed Document Number	202024705707
Last Transfer Date	Jan 15, 2021
Transfer Doc	0024806875
Record Updated	Oct 29, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	274 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4117
Transaction Type	Mortgage
Record Updated	Oct 31, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	280 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4117

Mortgage

Document Number	0025888895
Date	Oct 23, 2025
Instrument	25888895

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	1050 WOODWARD AVE, DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2055

Interest

Rate Type	Adjustable Rate
Rate	5.25%
Adjustable	Adjustable Rate Rider
Type Change Date	Nov 1, 2032
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	10.2%
Index	Other
Margin	3
Max Rate	10.2%

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 29, 2021
Property Address	274 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4117
Document Number	0024806875
Instrument Date	Jan 15, 2021
Instrument	24806875
Transaction Type	Transfer
Record Updated	Feb 10, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	280 DIABLO AVE MOUNTAIN VIEW CA 940434117, MOUNTAIN VIEW, CA 94043-4117

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Nov 17, 2020
Property Address	274 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4117
Document Number	0024705707
Instrument Date	Nov 13, 2020
Instrument	24705707
Transaction Type	Transfer
Record Updated	Dec 1, 2020
Title Company	ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA

Transaction

Amount	Amount Recorded
Tax	$2,200.00
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	280 DIABLO AVE MOUNTAIN VIEW CA 940434117, MOUNTAIN VIEW, CA 94043-4117

November 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SANTA CLARA CA
Recording Date	Nov 17, 2020
Property Address	274 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4117
Document Number	0024705706
Instrument Date	Nov 13, 2020
Instrument	24705706
Transaction Type	Transfer
Record Updated	Dec 1, 2020
Title Company	ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	1130 PARK AVE #C ALAMEDA CA 945015265, C, ALAMEDA, CA 94501-5265

December 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SANTA CLARA CA
Recording Date	Dec 14, 2020
Property Address	274 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4117
Document Number	0024747880
Instrument Date	Nov 13, 2020
Instrument	24747880
Transaction Type	Transfer
Record Updated	Dec 24, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1130 PARK AVE #C ALAMEDA CA 945015265, C, ALAMEDA, CA 94501-5265

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	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		$2,208,158 (+2%) Land $1,766,527 Building $441,631
2025	$25,501.00 (+24.81%)	$2,164,862 (+27.72%) Land $1,731,890 Building $432,972
2023	$20,432.00 (-18.21%)	$1,695,000 Land $1,356,000 Building $339,000
2022	$24,982.00

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 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

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	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 588 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks 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: Cruzio, GeoLinks, Sail Internet, T-Mobile.

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