Riverside County property record for 18603 Boulder Ave, Riverside, CA 92508
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,245 sqft · built 2002 |
| Lot Size | 0.43 acres (18,731 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $285,000 (Jun 2009) |
| Tax Bill | $6,080 (2025) |
| Deeds & Mortgages | Jan 2024 Line of Credit Jul 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 267-122-004 |
| Primary APN | 267-122-004 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 2,245 sqft Living Area |
| Gross Area | 2,960 sqft |
| 1st Floor Area | 2,245 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2003 |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 18,731 sqft (0.43 acres) |
| Garage Type | Attached |
| Garage Area | 682 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 114100237 |
|---|---|
| Street Address | 18603 BOULDER AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92508-9712 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA |
| Legal Description | LOT 168 MB 013/084 RINEHART ACRES |
| Legal Subdivision | RINEHART ACRES |
| Legal Lot Number | 168 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | LAKE MATHEWS |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 42009 |
Source: Riverside County records, as of July 29, 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 | 18603 BOULDER AVE, RIVERSIDE, CA 92508-9712 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jan 17, 2024 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Jul 6, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage ARROWHEAD CAPIAL CORPORATION |
| Jun 10, 2020 | Quit Claim Deed, Transfer TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Jun 10, 2020 | Grant Deed, Transfer · Conventional Mortgage ARROWHEAD CAP |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 30, 2009 · Amount on Record |
| Deed Sale | Jun 30, 2009 · Amount on Record |
| Prior Sale | Aug 30, 2002 · Amount on Record |
| Deed Document Number | 2009336755 |
| Last Transfer Date | Jun 30, 2021 |
| Transfer Doc | 0000406453 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Property Address | 18603 BOULDER AVE, RIVERSIDE, CA 92508-9712 |
| Transaction Type | Mortgage |
| Record Updated | Jan 26, 2024 |
| Title Company | RADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES |
| Name | Verified Name |
|---|---|
| Address | 18603 BOULDER AVE, RIVERSIDE, CA 92508-9712 |
| Document Number | 0000014610 |
|---|---|
| Date | Jan 17, 2024 |
| Instrument | 2024-0014610 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 5, 2054 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Recording Date | Jul 6, 2021 |
| Property Address | 18603 BOULDER AVE, RIVERSIDE, CA 92508-9712 |
| Document Number | 0000406453 |
| Map Reference | MB 13 PG 83&84 |
| Instrument Date | Jun 30, 2021 |
| Instrument | 2021-0406453 |
| Transaction Type | Transfer |
| Record Updated | Jul 20, 2021 |
| Title Company | LAWYERS TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 18603 BOULDER AVE, RIVERSIDE, CA 92508-9712 |
| Document Number | 0000406454 |
|---|---|
| Date | Jul 6, 2021 |
| Instrument | 2021-0406454 |
| Name | ARROWHEAD CAPIAL CORPORATION |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Recording Date | Jun 10, 2020 |
| Property Address | 18603 BOULDER AVE, RIVERSIDE, CA 92508-9712 |
| Document Number | 0000247469 |
| Instrument Date | Jun 4, 2020 |
| Instrument | 247469 |
| Transaction Type | Transfer |
| Record Updated | Jun 19, 2020 |
| Title Company | TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 18603 BOULDER AVE RIVERSIDE CA 925089712, RIVERSIDE, CA 92508-9712 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Recording Date | Jun 10, 2020 |
| Property Address | 18603 BOULDER AVE, RIVERSIDE, CA 92508-9712 |
| Document Number | 0000247468 |
| Instrument Date | May 28, 2020 |
| Instrument | 247468 |
| Transaction Type | Transfer |
| Record Updated | Jun 19, 2020 |
| Title Company | TICOR TITLE RIVERSIDE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $550.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 18603 BOULDER AVE RIVERSIDE CA 925089712, RIVERSIDE, CA 92508-9712 |
| Document Number | 247470 |
|---|---|
| Date | Jun 10, 2020 |
| Instrument | 247470 |
| Name | ARROWHEAD CAP |
|---|---|
| Type | Funding / Finance Company |
| Address | REDLANDS, CA 92374 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 9, 2050 |
Source: Riverside County assessment roll, as of July 29, 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Unified School District | Riverside Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $557,754 (+2%) Land $83,661 Building $474,093 | ||
| 2025 | $6,080.00 (+3.42%) | $546,819 (+4.04%) Land $82,021 Building $464,798 | |
| 2024 | $5,879.00 (+0.74%) | ||
| 2023 | $5,836.00 (+1.99%) | $525,587 Land $78,837 Building $446,750 | |
| 2022 | $5,722.00 | ||
| 2021 | $523,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 14, 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 |
| Nearby Flood Claims | 1 (1980) |
| Most Recent Claim | Mar 1980 · tidal / storm surge |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 62% of the US · lower than 62% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 | WESTERN MWD serves 87,955 people · EPA ID CA3310049 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Dec 2023 |
| Lead | 1 ppb (2023–2025) 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 181 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures