Los Angeles County property record for 1840 Sonoma Dr, Altadena, CA 91001
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,498 sqft · built 1947 |
| Lot Size | 0.167 acres (7,257 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,400,000 (Oct 2024) |
| Tax Bill | $16,247 (2025) |
| Deeds & Mortgages | May 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 5847-031-003 |
| Primary APN | 5847-031-003 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,498 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 7,257 sqft (0.167 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 1840 SONOMA DR |
|---|---|
| City | ALTADENA |
| State | CA |
| Zip | 91001-3339 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR175 |
| Legal Description | TRACT # 6788 LOT 3 |
| Legal Subdivision | 6788 |
| Legal Tract | 6788 |
| Legal Block | 2 |
| Legal Lot Number | 3 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 461200 |
1840 Sonoma Dr is owned and occupied by an individual who bought it in October 2024.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1840 SONOMA DR, ALTADENA, CA 91001-3339 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 7, 2024 · Amount on File |
| Deed Sale | Oct 7, 2024 · Amount on File |
| Prior Sale | Nov 27, 2013 · Amount on File |
| Deed Document Number | 2024683634 |
| Prior Transfer Date | May 12, 2023 |
| Prior Transfer Doc | 0000329242 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | May 19, 2023 |
| Property Address | 1840 SONOMA DR, ALTADENA, CA 91001-3339 |
| Document Number | 0000329242 |
| Map Reference | MB 72 PG 11 |
| Instrument Date | May 5, 2023 |
| Instrument | 23-0329242 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
The 2025 property tax bill for 1840 Sonoma Dr was $16,247.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Pasadena Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,428,000 (+2%) Land $1,289,688 Building $138,312 | |
| 2025 | $16,247.00 | $1,400,000 Land $1,264,400 Building $135,600 |
| 2023 | $9,483.00 (+3.58%) Homeowner's exemption | $801,209 Land $640,970 Building $160,239 |
| 2022 | $9,155.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1840 Sonoma Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% 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 risk around 1840 Sonoma Dr is moderate, ranking above 43% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 43% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | None beyond 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 | PASADENA WATER AND POWER serves 165,448 people · EPA ID CA1910124 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Mar 2023 |
| Also Mapped Here | FOOTHILL MUNICIPAL WATER DIST. |
| Lead | 2 ppb (2024–2026) action level 15 ppb |
| 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.
Source: FCC Broadband Data Collection, based on 843 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 |
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: ConnectTo, GeoLinks, Verizon.
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