217 Diablo Ave, Mountain View, CA 94043 Property Records

Santa Clara County property record for 217 Diablo Ave, Mountain View, CA 94043

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,388 sqft · built 1955
Lot Size	0.122 acres (5,300 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,425,000 (Jul 2026)
Tax Bill	$31,855 (2025)
Deeds & Mortgages	Jul 2026 Sale & Mortgage Oct 2025 Second Mortgage + 5 more
Flood Zone	Zone X (reduced by levee)
APN	`147-33-015`

Property Details

APN / Parcel Number

Primary APN	`147-33-015`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,388 sqft Living Area
1st Floor Area	1,720 sqft
2nd Floor Area	668 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1965
Architectural Style	H-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	217 DIABLO AVE
City	MOUNTAIN VIEW
State	CA
Zip	94043-4116
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 1424 BOOK 62 PAGE 8 BLOCK 2 LOT 2
Legal Subdivision	TRACT NO 1424
Legal Tract	1424
Legal Block	2
Legal Lot Number	2
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1008
Census Tract	509302

Owner

Source: Santa Clara County records, as of July 30, 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	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Married Couple

Deeds, Mortgages & Sale History

Date	Document
Jul 21, 2026	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO
Oct 16, 2025	Deed of Trust, Mortgage · Stand-Alone Second Mortgage GUARANTEED RATE INC
Dec 21, 2023	Deed of Trust, Mortgage · Line of Credit GUARANTEED RATE INC
Dec 21, 2023	Deed of Trust, Mortgage · Line of Credit GUARANTEED RATE AFFINITY LLC
Sep 5, 2023	Beneficiary Deed, Transfer
Oct 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE AFFINITY LLC
Jun 30, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 21, 2026 · Amount on Record
Deed Sale	Jul 21, 2026 · Amount on Record
Deed Document Number	202626020704
Prior Transfer Date	Jun 24, 2020
Prior Transfer Doc	0024522073
Record Updated	Oct 29, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jul 21, 2026
Property Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116
Document Number	0026020704
Instrument Date	Jul 15, 2026
Instrument	202626020704
Transaction Type	Transfer
Record Updated	Jul 30, 2026
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$269,417.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116

Mortgage

Document Number	0000020705,
Date	Jul 21, 2026
Instrument	202620705

Lender

Name	WELLS FARGO

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116
Transaction Type	Mortgage
Record Updated	Oct 24, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	41070 BERNIE ST, FREMONT, CA 94539-3879

Mortgage

Document Number	0025885362
Date	Oct 16, 2025
Instrument	25885362

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	3940 N RAVENSWOOD AVE, CHICAGO, IL 60613

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2055

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116
Transaction Type	Mortgage
Record Updated	Jan 23, 2024
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	41070 BERNIE ST, FREMONT, CA 94539-3879

Mortgage

Document Number	0025578214
Date	Dec 21, 2023
Instrument	25578214

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 20, 2053

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116
Transaction Type	Mortgage
Record Updated	Jan 11, 2024
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	41070 BERNIE ST, FREMONT, CA 94539-3879

Mortgage

Document Number	0025578214
Date	Dec 21, 2023
Instrument	25578214

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2023: Beneficiary Deed, Transfer

Document Type	Beneficiary Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Sep 5, 2023
Property Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116
Document Number	0025526927
Map Reference	MB 62 PG 8
Instrument Date	Aug 20, 2023
Instrument	25526927
Transaction Type	Transfer
Record Updated	Sep 14, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	41070 BERNIE ST, FREMONT, CA 94539-3879

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116
Transaction Type	Mortgage
Record Updated	Oct 28, 2021
Title Company	CORNERSTONE TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116

Mortgage

Document Number	0025139471
Date	Oct 21, 2021
Instrument	25139471

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

June 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SANTA CLARA CA
Recording Date	Jun 30, 2020
Property Address	217 DIABLO AVE, MOUNTAIN VIEW, CA 94043-4116
Document Number	0024522073
Map Reference	MB 62 PG 8
Instrument Date	Jun 24, 2020
Instrument	24522073
Transaction Type	Transfer
Record Updated	Sep 1, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	41070 BERNIE ST, FREMONT, CA 94539-3879

Mortgage

Document Number	0024522074
Date	Jun 30, 2020
Instrument	24522074

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2050

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		$2,758,035 (+2%) Land $2,316,404 Building $441,631
2025	$31,855.00 (+1,755.27%)	$2,703,957 (+2,218.72%) Land $2,270,985 Building $432,972
2023	$1,717.00 (+0.47%)	$116,614 Land $28,172 Building $88,442
2022	$1,709.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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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