Santa Clara County  »  639 Derby CT

639 Derby Court, Sunnyvale, CA 94087 - Property report

Also known as: 639 Derby CT

Property image for 639 Derby Court, Sunnyvale, CA 94087
static Mapbox map

Property type

Single Family (01)

Acreage

0.197

Sale price

$3,112,000

General Information

Address
Primary address
639 Derby Ct
Sunnyvale, CA 94087
Zip code
94087
County
Santa Clara
Municipality
Sunnyvale
Parcel ID
309-15-022
Tract
2748

Owner

Find out who owns 639 Derby Court, Sunnyvale, CA 94087. Uncover corporate and individual owners with a free account.

Sales
Sale date
06/27/2024
Sale price
$3,112,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$36,859
Current property tax
$36,778
Building
Property type
Single Family
Lot
Acreage
0.197
Zoning & use
Zoning
Low Density Residential (R0)

Area overview

Walk score
39 /100.  Car-Dependent
Transit score
40 /100.  Some Transit
Bike score
55 /100.  Bikeable
School district
09001
Ownership

Ownership information for 639 Derby Court, Sunnyvale, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 639 Derby Court, Sunnyvale, CA 94087

Sale date Sale price Buyer name Seller name
06/27/2024 $3,112,000 XXXXX, XXXXX XXXX; XXXXXXXX, XXXXXX XXXXXX XXXX XXXXXX XXXXX; XXXXX, XXXXXXX XXXX XXX XXXXXXX; XXXX, XXX XXXX XXXXXXX XXXXXXX; XXXX, XXX XXXX XXXXXXX; XXXX, XXXXXXX XXXXX XXXXXXX
03/17/2020 $2,150,000 XXXX, XXX XXXX XXXXXXX XXXXXX XXXXX; XXXX, XXX XXXX XXXXXXX XXXXXXX XXXXXXXX, XXXXXXX; XXXXXXXX, XXXXXX
07/31/2002 $650,000 XXXXXXXX, XXXXXX & XXXXXXX XXXXXXXX, XX

*Most recent sales on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
11/03/2025 Reconveyance
Substitution Trustee		 XXXX XXXX XXX X X XXXXXXXXXXX XXXXXXXX XXX
10/27/2025 Deed of Trust XXXXX, XXXXX XXXX XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XXX
06/27/2024 Deed of Trust XXXXXXXX, XXXXXX XXXXXX XXXX XXXX XXX X X
06/27/2024 Grant Deed XXXX, XXXXXXX XXXXX XXXXXXX XXXXXXXX, XXXXXX XXXXXX
07/27/2022 Quitclaim Deed XXXX, XXX XXXX XXXXXXX XXXX XXXXXX XXXXX
07/27/2022 Quitclaim Deed XXXX, XXX XXXX XXXXXXX XXXXXX XXXXX XXXXX, XXXXXXX XXXX XXX
04/10/2020 Ucc - Financing Statement - Termination XXX XXXXXXXX XXXX XX XXXXXXXXXX XXXXXXXX, XXXXXXX
03/17/2020 Deed of Trust XXXX, XXX XXXX XXXXXXX XXXXXXXX XXXXX XXXX X X
03/17/2020 Grant Deed XXXXXXXX, XXXXXX XXXX, XXX XXXX XXXXXXX XXXXXXX
10/30/2019 Ucc - Financing Statement - Continuation XXXXXXXX, XXXXXXX X XXX XXXXXXXX XXXX XX XXXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 639 Derby Court, Sunnyvale, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Base tax
$36,859
Current property tax
$36,778
Recent tax assessments
Market value
$3,174,240
Land value
$3,015,528
Building value
$158,712

More about Santa Clara County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $3,174,240 1.1612 $36,859 +38.76%
2024-2025 $2,305,231 1.1523 $26,563 +0.74%
2023-2024 $2,260,031 1.1667 $26,368 +2.18%
2022-2023 $2,215,718 1.1646 $25,804 +0.94%
2021-2022 $2,172,273 1.1769 $25,565 +2268.36%
2020-2021 $91,836 1.1754 $1,079 +2.33%
2019-2020 $90,036 1.1716 $1,055 +2.41%
2018-2019 $88,272 1.1669 $1,030 +0.46%
2017-2018 $86,543 1.1848 $1,025 +3.18%
2016-2017 $84,847 1.1712 $994 +0.55%
Permits

Permit information for 639 Derby Court, Sunnyvale, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
11/17/2025
09/08/2025
11/04/2024
10/20/2014
09/02/2014

*Most recent permits on record for this property.

Neighborhood

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
0.2
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 639 Derby Court, Sunnyvale, CA 94087 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Louis E. Stocklmeir Elementary School 8 Public K-5 822 0.27
Chester W. Nimitz Elementary School 6 Public K-5 419 0.61
Amrita Academy NR Private 5-12 0 0.70
Adult And Community Education NR Public 0 0.87
Champion Kinder International School NR Private K 10 0.90
Resurrection Elementary School NR Private PK, K-8 221 0.96
Resurrection Elementary School NR Private PK, K-8 221 0.96
French American School Of Silicon Valley NR Private PK-5 162 1.09
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Amrita Academy NR Private 5-12 0 0.70
Adult And Community Education NR Public 0 0.87
Marian A. Peterson Middle School 6 Public 6-8 729 0.90
Resurrection Elementary School NR Private PK, K-8 221 0.96
Stratford Middle School NR Private 6-8 443 0.97
Challenger - Sunnyvale NR Private PK, K-8 554 1.13
Silicon Valley Academy NR Private PK-8 146 1.15
Sam H. Lawson Middle School 9 Public 6-8 816 1.22
Sunnyvale Middle School 6 Public 6-8 962 1.82
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Fremont High School 7 Public 9-12 2,171 0.66
Amrita Academy NR Private 5-12 0 0.70
Community Day School NR Public 9-12 7 0.82
North County Regional Occupational Program School NR Public 9-12 0 0.82
Adult And Community Education NR Public 0 0.87
Silicon Valley Academy NR Private K-12 121 1.15
School of Choice NR Private 6-12 0 1.17
Homestead High School 8 Public 9-12 2,311 1.50
Futures Academy - Cupertino NR Private 7-12 55 1.71
New Valley Continuation High School 3 Public 9-12 169 1.74

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 639 Derby Court, Sunnyvale, CA

639 Dorset Way, Sunnyvale 1468 Dove Ln, Sunnyvale 652 Cheshire Way, Sunnyvale 740 Glencoe CT, Sunnyvale 658 Derby CT, Sunnyvale 1422 Hawk CT, Sunnyvale 1493 Firebird Way, Sunnyvale 1492 Falcon CT, Sunnyvale 640 Derby CT, Sunnyvale 633 Dorset Way, Sunnyvale 1443 Falcon Ave, Sunnyvale 1445 Kingfisher Way, Sunnyvale 645 Derby CT, Sunnyvale 1436 Flicker Way, Sunnyvale 1491 Falcon CT, Sunnyvale 815 Coventry CT, Sunnyvale 651 Dunholme Way, Sunnyvale 633 Derby CT, Sunnyvale 1487 Flamingo Way, Sunnyvale 657 Dunholme Way, Sunnyvale

Nearby ZIP codes for 639 Derby Court, Sunnyvale, CA

94022, Santa Clara County, CA 94024, Santa Clara County, CA 94041, Santa Clara County, CA 94043, Santa Clara County, CA 95002, Santa Clara County, CA 95014, Santa Clara County, CA 95070, Santa Clara County, CA 95117, Santa Clara County, CA 95128, Santa Clara County, CA 95129, Santa Clara County, CA 95130, Santa Clara County, CA

Frequently asked questions

When was 639 Derby Court, Sunnyvale, CA 94087 last sold and what was the sale price?

639 Derby Court, Sunnyvale, CA 94087 was last sold on 06/27/2024 for $3,112,000.

What is the assessed value of 639 Derby Court, Sunnyvale, CA 94087?

639 Derby Court, Sunnyvale, CA 94087 is currently assessed at $3,174,240.

What are the property taxes for 639 Derby Court, Sunnyvale, CA 94087?

The property taxes for 639 Derby Court, Sunnyvale, CA 94087 total $36,859.

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