478 Quincy Dr, Mountain View, CA 94043 Property Records

Santa Clara County property record for 478 Quincy Dr, Mountain View, CA 94043

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,713 sqft · built 1954
Lot Size	0.119 acres (5,194 sqft)
Owner	Trust Name on File
Last Sale	$2,050,000 (Jun 2020)
Tax Bill	$27,258 (2025)
Deeds & Mortgages	Aug 2018 Line of Credit Feb 2021 Transfer + 4 more
Flood Zone	Zone X (reduced by levee)
APN	`147-23-047`

Property Details

APN / Parcel Number

Primary APN	`147-23-047`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,713 sqft Living Area
Gross Area	1,641 sqft
1st Floor Area	1,641 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1954
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,194 sqft (0.119 acres)
Lot Dimensions	98 ft deep x 53 ft wide
Garage Type	Carport
Garage Area	357 sqft
Carport	Carport
Carport Area	357 sqft
Parking Spaces	1 Parking Space
Porch	None

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	478 QUINCY DR
City	MOUNTAIN VIEW
State	CA
Zip	94043-2717
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 1215 FAIRVIEW BOOK 46 PAGE 10 PAGE 11 BLOCK 6 LOT 10
Legal Subdivision	FAIRVIEW
Legal Tract	1215
Legal Block	6
Legal Lot Number	10
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1002
Census Tract	509302

Owner

478 Quincy Dr is owner-occupied and held in a trust since January 2021.

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

Owner of Record	Trust Name on File
Mailing Address	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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
Aug 1, 2018	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
Feb 3, 2021	Intrafamily Transfer, Transfer
Oct 30, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Jun 30, 2020	Grant Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Dec 9, 2019	Deed of Trust, Mortgage · Conventional Mortgage KEYPOINT CU
Mar 10, 2017	Grant Deed, Transfer · ARM FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 30, 2020 · Amount on File
Deed Sale	Jun 30, 2020 · Amount on File
Prior Sale	Mar 10, 2017 · Amount on File
Deed Document Number	202024522001
Last Transfer Date	Jan 21, 2021
Transfer Doc	0024814408
Record Updated	Oct 29, 2026

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0023994989
Date	Aug 1, 2018
Instrument	23994989

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Aug 25, 2048

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SANTA CLARA CA
Recording Date	Feb 3, 2021
Property Address	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717
Document Number	0024814408
Map Reference	MB 46 PG 10
Instrument Date	Jan 21, 2021
Instrument	24814408
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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
Relationship	Irrevocable Trust
Address	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717

October 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Oct 30, 2020
Property Address	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717
Document Number	0024679444
Instrument Date	Sep 29, 2020
Instrument	24679444
Transaction Type	Transfer
Record Updated	Nov 11, 2020
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	Irrevocable Trust
Address	478 QUINCY DR MOUNTAIN VIEW CA 940432717, MOUNTAIN VIEW, CA 94043-2717

June 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jun 30, 2020
Property Address	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717
Document Number	0024522001
Instrument Date	Jun 24, 2020
Instrument	24522001
Transaction Type	Transfer
Record Updated	Jul 13, 2020
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Amount	Amount on Record
Tax	$2,255.00
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	478 QUINCY DR MOUNTAIN VIEW CA 940432717, MOUNTAIN VIEW, CA 94043-2717

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717
Document Number	0024358649
Instrument Date	Dec 9, 2019
Transaction Type	Mortgage
Record Updated	Dec 31, 2019
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO OAKLAND

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	478 QUINCY DR MOUNTAIN VIEW CA 940432717, MOUNTAIN VIEW, CA 94043-2717

Mortgage

Document Number	0024358649
Date	Dec 16, 2019
Instrument	24358649

Lender

Name	KEYPOINT CU
Type	Credit Union
Address	SANTA CLARA, CA 95051

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	120 Months
Due	Dec 15, 2029

Interest

Rate Type	Adjustable Rate

March 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Mar 10, 2017
Property Address	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717
Document Number	0023599499
Map Reference	MAP46 PG10
Instrument Date	Mar 7, 2017
Instrument	23599499
Transaction Type	Transfer
Record Updated	Sep 1, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	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	478 QUINCY DR, MOUNTAIN VIEW, CA 94043-2717

Mortgage

Document Number	0023599500
Date	Mar 10, 2017
Instrument	23599500

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.6%
Type Change Date	Apr 1, 2024
Change Frequency	Monthly
Min Rate At Change	2.5%
Index	1-Month LIBOR
Max Rate	9.95%

Tax Assessment & Valuation

The 2025 property tax bill for 478 Quincy Dr was $27,258, down 0.3% from the year before.

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		$2,362,730 (+2%) Land $2,130,874 Building $231,856
2025	$27,258.00 (-0.33%)	$2,316,403 Land $2,089,093 Building $227,310
2024	$27,347.00 (+1.33%)
2023	$26,988.00 (+0.28%)	$2,226,456 Land $2,007,972 Building $218,484
2022	$26,913.00

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

Flood

FEMA maps place 478 Quincy Dr in Zone X, where a levee reduces flood risk.

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

The area around 478 Quincy Dr 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 911 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 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile.

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