Santa Clara County property record for 638 E Duane Ave, Sunnyvale, CA 94085 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,559 sqft · built 1953 |
| Lot Size | 0.119 acres (5,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,550,000 (Apr 2018) |
| Tax Bill | $20,956 (2025) |
| Deeds & Mortgages | May 2020 Mortgage Apr 2018 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (reduced by levee) |
| APN | 205-18-005 |
| Primary APN | 205-18-005 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,559 sqft Living Area |
| Gross Area | 999 sqft |
| 1st Floor Area | 999 sqft |
| Family Room | Family Room |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,200 sqft (0.119 acres) |
| Lot Dimensions | 100 ft deep x 52 ft wide |
| Garage Area | 154 sqft |
| Porch | None |
| Cooling System | None |
|---|
| Street Address | 638 E DUANE AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94085-3828 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 927 FAIR OAKS PARK BOOK 40 PAGE 6 PAGE 7 LOT 133 |
| Legal Subdivision | FAIR OAKS PARK |
| Legal Tract | 927 |
| Legal Lot Number | 133 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1037 |
| Census Tract | 508708 |
Source: Santa Clara County records · APN 205-18-005
Assessment roll updated August 11, 2025 · Last verified July 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 File |
|---|---|
| Mailing Address | 638 E DUANE AVE, SUNNYVALE, CA 94085-3828 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Right of Survivorship |
| Date | Document |
|---|---|
| May 27, 2020 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Apr 27, 2018 | Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Apr 11, 2018 | Grant Deed CHICAGO TITLE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 27, 2018 · Amount on Record |
| Deed Sale | Apr 27, 2018 · Amount on Record |
| Prior Sale | Aug 04, 2009 · Amount on Record |
| Deed Document Number | 201823920322 |
| Prior Transfer Date | Apr 05, 2018 |
| Prior Transfer Doc | 0023907894 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Property Address | 638 E DUANE AVE, SUNNYVALE, CA 94085-3828 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | NORTH AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0024488576 |
|---|---|
| Date | May 27, 2020 |
| Instrument | 24488576 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Apr 27, 2018 |
| Property Address | 638 E DUANE AVE, SUNNYVALE, CA 94085-3828 |
| Document Number | 0023920322 |
| Map Reference | MB40 PG6&7 |
| Instrument Date | Apr 16, 2018 |
| Instrument | 23920322 |
| Transaction Type | Transfer |
| Record Updated | Sep 01, 2021 |
| Title Company | CHICAGO TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Right of Survivorship |
| Address | 638 E DUANE AVE, SUNNYVALE, CA 94085-3828 |
| Document Number | 0023920323 |
|---|---|
| Date | Apr 27, 2018 |
| Instrument | 23920323 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2048 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Apr 11, 2018 |
| Property Address | 638 E DUANE AVE, SUNNYVALE, CA 94085-3828 |
| Document Number | 0023907894 |
| Instrument Date | Apr 05, 2018 |
| Instrument | 23907894 |
| Record Updated | Apr 17, 2018 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 638 E DUANE AVE SUNNYVALE CA 940853828, SUNNYVALE, CA 94085-3828 |
Source: Santa Clara County records · Assessment roll updated August 11, 2025 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Sunnyvale City |
| Secondary School District | Fremont Union High School District (09 - 12) |
| Elementary School District | Sunnyvale Elementary School District (KG - 08) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $20,956.00 (+4.07%) | $1,763,632 (+4.04%) Land $1,501,933 Building $261,699 |
| 2024 | $20,136.00 (+1.01%) | |
| 2023 | $19,935.00 (+8.09%) Homeowner's exemption | $1,695,150 Land $1,443,612 Building $251,538 |
| 2022 | $18,443.00 |
Source: FEMA National Flood Hazard Layer, Santa Clara County (06085C), updated January 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060855087081, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Reduced by levee depends on levee performance |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 10 individual NFIP policies nearby |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 14 units insured 4 under condo master policies |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 840 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Sail Internet Holdings, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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