Los Angeles County property record for 3521 Monterosa Dr, Altadena, CA 91001
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,927 sqft · built 1958 |
| Lot Size | 0.352 acres (15,317 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,360,000 (Oct 2020) |
| Tax Bill | $8,858 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage Jan 2017 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 5843-003-003 |
| Primary APN | 5843-003-003 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,927 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Gravel |
| Lot Area | 15,317 sqft (0.352 acres) |
| Lot Dimensions | 161 ft deep x 96 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 3521 MONTEROSA DR |
|---|---|
| City | ALTADENA |
| State | CA |
| Zip | 91001-4025 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR110 |
| Legal Description | TRACT # 18250 LOT 17 |
| Legal Subdivision | 18250 |
| Legal Tract | 18250 |
| Legal Block | 1 |
| Legal Lot Number | 17 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 460200 |
Source: Los Angeles County records · APN 5843-003-003
Assessment roll updated May 21, 2026 · Last verified June 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 | 3521 MONTEROSA DR, ALTADENA, CA 91001-4025 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 02, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CHANGE LENDING LLC |
| Jan 17, 2017 | Deed of Trust, Mortgage · ARM CITIBANK NA |
| Oct 08, 2020 | Grant Deed, Transfer OLD REPUBLIC TITLE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 08, 2020 · Amount on Record |
| Deed Sale | Oct 08, 2020 · Amount on Record |
| Prior Sale | Aug 21, 2007 · Amount on Record |
| Deed Document Number | 20201245365 |
| Prior Transfer Date | Nov 02, 2012 |
| Prior Transfer Doc | 0001694245 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 3521 MONTEROSA DR, ALTADENA, CA 91001-4025 |
| Transaction Type | Mortgage |
| Record Updated | Jun 09, 2026 |
| Title Company | USA NATIONAL TITLE COMPANY, USA NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 3521 MONTEROSA DR, ALTADENA, CA 91001-4025 |
| Document Number | 0000877710 |
|---|---|
| Date | Jun 02, 2021 |
| Instrument | 21-0877710 |
| Name | CHANGE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92606 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 3521 MONTEROSA DR, ALTADENA, CA 91001-4025 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | TICOR TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000060575 |
|---|---|
| Date | Jan 17, 2017 |
| Instrument | 17-0060575 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Address | O FALLON, MO 63368 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.87% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Feb 01, 2020 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 4.87% |
| Index | 1-Year LIBOR |
| Max Rate | 8.87% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Oct 08, 2020 |
| Property Address | 3521 MONTEROSA DR, ALTADENA, CA 91001-4025 |
| Document Number | 0001245365 |
| Instrument Date | Sep 28, 2020 |
| Instrument | 1245365 |
| Transaction Type | Transfer |
| Record Updated | Oct 14, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,496.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3521 MONTEROSA DR ALTADENA CA 910014025, ALTADENA, CA 91001-4025 |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Pasadena Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $8,858.00 (-46.04%) Homeowner's exemption | $765,495 (-45.9%) Land $765,495 |
| 2023 | $16,417.00 (+3.6%) Homeowner's exemption | $1,414,943 Land $1,131,955 Building $282,988 |
| 2022 | $15,847.00 |
Source: FEMA National Flood Hazard Layer as of September 30, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 | 4 in force |
| Nearby Flood Claims | 6 (1995–2023) |
| Claims Outside the SFHA | 6 of 6 |
| Most Recent Claim | Mar 2023 · Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And Mudslides |
| Wildfire Risk | Extreme above 97.3% of the US · above 86% of California |
|---|---|
| Wildfire Likelihood | 2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
May also be available: California Internet, Verizon.
Based on FCC filings for 290 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | LINCOLN AVENUE WATER CO. private · serves 8,721 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2022 |
| Lead | Under 1 ppb (2026–2028) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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