Los Angeles County property record for 510 Rosemont Ave, Pasadena, CA 91103
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,730 sqft · built 1954 |
| Lot Size | 0.306 acres (13,338 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,165,000 (Apr 2004) |
| Tax Bill | $20,580 (2025) |
| Deeds & Mortgages | Mar 2024 Line of Credit Jun 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 5711-007-008 |
| Primary APN | 5711-007-008 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,730 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 13,338 sqft (0.306 acres) |
| Lot Dimensions | 178 ft deep x 45 ft wide |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 510 ROSEMONT AVE |
|---|---|
| City | PASADENA |
| State | CA |
| Zip | 91103-3253 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PSR4 |
| Legal Description | TRACT # 2351 NW 75 FT MEASURED ON NE AND SW LINES OF LOT 7 |
| Legal Subdivision | 2351 |
| Legal Tract | 2351 |
| Legal Block | 2 |
| Legal Lot Number | 7 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 461700 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Prospect Historic District listed 1983 · 117 contributing resources · NRIS 83001202 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
510 Rosemont Ave is owner-occupied and held in a trust since May 2006.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 510 ROSEMONT AVE, PASADENA, CA 91103-3253 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Personal Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 8, 2024 | Deed of Trust, Mortgage · Line of Credit PARTNERS FCU |
| Jun 24, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PARTNERS FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 2, 2004 · Amount on File |
| Deed Sale | Apr 2, 2004 · Amount on File |
| Prior Sale | Nov 29, 2000 · Amount on File |
| Deed Document Number | 2004789569 |
| Last Transfer Date | May 5, 2006 |
| Transfer Doc | 0001108655 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 510 ROSEMONT AVE, PASADENA, CA 91103-3253 |
| Transaction Type | Mortgage |
| Record Updated | Mar 19, 2024 |
| Name | Verified Name |
|---|---|
| Address | 510 ROSEMONT AVE, PASADENA, CA 91103-3253 |
| Document Number | 0000155700 |
|---|---|
| Date | Mar 8, 2024 |
| Instrument | 24-0155700 |
| Name | PARTNERS FCU |
|---|---|
| Type | Credit Union |
| Address | BRONSON, FL 32621 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 240 Months |
| Due | Mar 7, 2044 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 510 ROSEMONT AVE, PASADENA, CA 91103-3253 |
| Transaction Type | Mortgage |
| Record Updated | Jul 2, 2021 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATL TTL ORANGE CNT |
| Name | Verified Name |
|---|---|
| Address | 510 ROSEMONT AVE, PASADENA, CA 91103-3253 |
| Document Number | 0000994600 |
|---|---|
| Date | Jun 24, 2021 |
| Instrument | 21-0994600 |
| Name | PARTNERS FCU |
|---|---|
| Type | Credit Union |
| Address | ORLANDO, FL 32821 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2051 |
The 2025 property tax bill for 510 Rosemont Ave was $20,580 with a homeowner's exemption.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Pasadena City |
| Unified School District | Pasadena Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,803,973 (+2%) Land $1,182,654 Building $621,319 | |
| 2025 | $20,580.00 Homeowner's exemption | $1,768,604 Land $1,159,465 Building $609,139 |
| 2023 | $19,418.00 (+3.62%) Homeowner's exemption | $1,699,930 Land $1,114,443 Building $585,487 |
| 2022 | $18,739.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 510 Rosemont Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 510 Rosemont Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 |
| 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 233 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks, Starry.
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