Santa Clara County property record for 103 Cumulus Ave, Sunnyvale, CA 94087
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,777 sqft · built 1956 |
| Lot Size | 0.165 acres (7,168 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $343,500 (Feb 1997) |
| Tax Bill | $6,819 (2025) |
| Deeds & Mortgages | Feb 2021 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 211-18-021 |
| Primary APN | 211-18-021 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,777 sqft Living Area |
| Gross Area | 1,387 sqft |
| 1st Floor Area | 1,387 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | H-Shape |
| Construction Type | Wood |
| Lot Area | 7,168 sqft (0.165 acres) |
| Lot Dimensions | 112 ft deep x 64 ft wide |
| Garage Area | 549 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 103 CUMULUS AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94087-1448 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R0 |
| Legal Description | TRACT 1485 WALNUT VILLA BOOK 59 PAGE 44 PAGE 45 LOT 1 |
| Legal Subdivision | WALNUT VILLA |
| Legal Tract | 1485 |
| Legal Lot Number | 1 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 508503 |
Source: Santa Clara County records, as of July 27, 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 | 1144 NORTHUMBERLAND DR, SUNNYVALE, CA 94087-1709 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 7, 1997 · Amount on Record |
| Deed Sale | Feb 7, 1997 · Amount on Record |
| Deed Document Number | 199713605075 |
| Last Transfer Date | Feb 17, 2021 |
| Transfer Doc | 0024845457 |
| Record Updated | Oct 29, 2026 |
| Document Type | Correction Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Feb 24, 2021 |
| Property Address | 103 CUMULUS AVE, SUNNYVALE, CA 94087-1448 |
| Document Number | 0024845457 |
| Map Reference | MB 59 PG 44&45 |
| Instrument Date | Feb 7, 2021 |
| Instrument | 24845457 |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 1144 NORTHUMBERLAND DR, SUNNYVALE, CA 94087-1709 |
Source: Santa Clara County assessment roll, as of July 27, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $570,617 (+2%) Land $282,402 Building $288,215 | |
| 2025 | $6,819.00 (+4.88%) | $559,429 (+4.04%) Land $276,865 Building $282,564 |
| 2023 | $6,502.00 (+1.85%) | $537,708 Land $266,115 Building $271,593 |
| 2022 | $6,384.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective January 18, 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 |
Values are read at the parcel center point; lenders make the official flood determination.
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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF SUNNYVALE serves 157,566 people · EPA ID CA4310014 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 63 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.
Source: FCC Broadband Data Collection, based on 648 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: GeoLinks.
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