Los Angeles County property record for 604 Rainbow Pl, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,405 sqft · built 1988 |
| Lot Size | 0.219 acres (9,539 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,000,000 (May 2021) |
| Tax Bill | $14,501 (2025) |
| Deeds & Mortgages | May 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8281-037-084 |
| Primary APN | 8281-037-084 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,405 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Construction Type | Wood |
| Lot Area | 9,539 sqft (0.219 acres) |
| Lot Dimensions | 153 ft deep x 63 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 604 RAINBOW PL |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-1876 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR115000- |
| Legal Description | TR=36813 LOT 39 |
| Legal Subdivision | 36813 |
| Legal Tract | 36813 |
| Legal Block | 3 |
| Legal Lot Number | 39 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 403321 |
Source: Los Angeles County records, as of August 25, 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 | 604 RAINBOW PL, DIAMOND BAR, CA 91765-1876 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 25, 2021 · Amount on Record |
| Deed Sale | May 25, 2021 · Amount on Record |
| Deed Document Number | 2021837361 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | May 25, 2021 |
| Property Address | 604 RAINBOW PL, DIAMOND BAR, CA 91765-1876 |
| Document Number | 0000837361 |
| Map Reference | MB 1033 PG 35-44 |
| Instrument Date | May 7, 2021 |
| Instrument | 21-0837361 |
| Transaction Type | Transfer |
| Record Updated | Jun 4, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY GLENDALE, FIRST AMER TTL CO GLENDALE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 604 RAINBOW PL, DIAMOND BAR, CA 91765-1876 |
| Document Number | 0000837362 |
|---|---|
| Date | May 25, 2021 |
| Instrument | 21-0837362 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2051 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Pomona Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,104,077 (+2%) Land $724,054 Building $380,023 | |
| 2025 | $14,501.00 (+11.08%) | $1,082,429 (+4.04%) Land $709,857 Building $372,572 |
| 2023 | $13,055.00 (+1.53%) | $1,040,399 Land $682,294 Building $358,105 |
| 2022 | $12,858.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 71% of the US · above 46% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2023 |
| Lead | Under 1 ppb (2022–2024) 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 160 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures