638 Paco Dr, Los Altos, CA 94024 Property Records

Santa Clara County property record for 638 Paco Dr, Los Altos, CA 94024

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,703 sqft · built 1998
Lot Size	0.344 acres (15,000 sqft)
Owner	2 Trust Names on File
Last Sale	$2,607,750 (Sep 2012)
Tax Bill	$39,106 (2025)
Deeds & Mortgages	Dec 2020 Line of Credit May 2017 Mortgage + 3 more
Flood Zone	Zone X (moderate risk)
APN	`189-38-006`

Property Details

APN / Parcel Number

Primary APN	`189-38-006`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,703 sqft Living Area
1st Floor Area	2,356 sqft
2nd Floor Area	1,347 sqft
Family Room	Family Room
Utility Room	Utility Room

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1999
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	15,000 sqft (0.344 acres)
Lot Dimensions	150 ft deep x 100 ft wide
Garage Area	440 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	638 PACO DR
City	LOS ALTOS
State	CA
Zip	94024-3834
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R110
Legal Description	LOT 9
Legal Subdivision	G MADIGAN
Legal Lot Number	9
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1015
Census Tract	510200

Owner

638 Paco Dr is owner-occupied and held in a trust since September 2012.

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

Owner of Record	2 Trust Names on File
Mailing Address	638 PACO DR, LOS ALTOS, CA 94024-3834
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
Dec 9, 2020	Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK
May 11, 2017	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Aug 3, 2017	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Oct 4, 2017	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Dec 9, 2020	Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 5, 2012 · Amount on File
Deed Sale	Sep 5, 2012 · Amount on File
Prior Sale	Jan 14, 1999 · Amount on File
Deed Document Number	201221836307
Prior Transfer Date	Mar 15, 2000
Prior Transfer Doc	0015188234
Record Updated	Oct 29, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	638 PACO DR, LOS ALTOS, CA 94024-3834
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	638 PACO DR, LOS ALTOS, CA 94024-3834

Mortgage

Document Number	0024741336
Date	Dec 9, 2020
Instrument	24741336

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	299 Months
Due	Nov 26, 2045

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	638 PACO DR, LOS ALTOS, CA 94024-3834
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0023646348
Date	May 11, 2017
Instrument	23646348

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2047

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	638 PACO DR, LOS ALTOS, CA 94024-3834
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0023718286
Date	Aug 3, 2017
Instrument	23718286

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 1, 2047

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	638 PACO DR, LOS ALTOS, CA 94024-3834
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0023768692
Date	Oct 4, 2017
Instrument	23768692

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2047

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	638 PACO DR, LOS ALTOS, CA 94024-3834
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	638 PACO DR, LOS ALTOS, CA 94024-3834

Mortgage

Document Number	0024741335
Date	Dec 9, 2020
Instrument	24741335

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 638 Paco Dr was $39,106 with a homeowner's exemption.

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

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Municipality	Los Altos City
Elementary School District	Los Altos 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		$3,275,784 (+2%) Land $2,293,051 Building $982,733
2025	$39,106.00 Homeowner's exemption	$3,211,554 Land $2,248,090 Building $963,464
2023	$36,935.00 (+1.09%) Homeowner's exemption	$3,086,847 Land $2,160,795 Building $926,052
2022	$36,535.00

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

Flood

FEMA maps place 638 Paco Dr in Zone X, an area of moderate 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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	7 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

Wildfire risk around 638 Paco Dr is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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	CWSC LOS ALTOS SUBURBAN private · serves 63,559 people · EPA ID CA4310001
Water Source	Purchased surface water from several systems
Last State Inspection	Aug 2024
Lead	2 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 563 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Cruzio Fixed Wireless	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60

May also be available: GeoLinks, T-Mobile.

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