San Bernardino County property record for 639 E 4th St, Ontario, CA 91764
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 3 ba · 2,205 sqft · built 1923 |
| Lot Size | 0.2 acres (8,700 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $689,000 (May 2022) |
| Tax Bill | $10,026 (2025) |
| Deeds & Mortgages | May 2022 Sale & Mortgage Mar 2022 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1047-512-26-0000 |
| Primary APN | 1047-512-26-0000 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,205 sqft Living Area |
| Gross Area | 2,325 sqft |
| 1st Floor Area | 2,205 sqft |
| Basement Area | 120 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1923 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Conventional |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 8,700 sqft (0.2 acres) |
| View / Lot | Average |
| Garage Type | Detached |
| Garage Area | 192 sqft |
| Porch | Patio/Porch |
|---|---|
| Porch Area | 271 sqft |
| Patio Area | 271 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 639 E 4TH ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91764-2836 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ONTAR1O COLONY LANDS W 60 FT E 278 FT S 145 FT LOT 802 |
| Legal Subdivision | ONTARIO COLONY LANDS |
| Legal Block | 1 |
| Legal Lot Number | 802 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 1200 |
Source: San Bernardino County records, as of July 14, 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 | 618 SEFTON AVE, MONTEREY PARK, CA 91755-4148 |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| May 23, 2022 | Grant Deed, Transfer · Conventional Mortgage ACG FUNDING INC |
| Mar 1, 2022 | Grant Deed, Transfer · Commercial Mortgage MERCHANTS FUNDING AZ LLC |
| Jan 24, 2020 | Affidavit of Death, Transfer NOT AVAILABLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 23, 2022 · Amount on Record |
| Deed Sale | May 23, 2022 · Amount on Record |
| Prior Sale | Mar 1, 2022 · Amount on Record |
| Deed Document Number | 2022189181 |
| Prior Transfer Date | Jan 21, 2020 |
| Prior Transfer Doc | 0000027928 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | May 23, 2022 |
| Property Address | 639 E 4TH ST, ONTARIO, CA 91764-2808 |
| Document Number | 0000189181 |
| Map Reference | MB 11 PG 6 |
| Instrument Date | May 13, 2022 |
| Instrument | 2022-0189181 |
| Transaction Type | Transfer |
| Record Updated | Jun 17, 2022 |
| Title Company | WFG NATIONAL TITLE COMPANY/CA, WFG NATIONAL TITLE CO OF CA |
| 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 | 618 SEFTON AVE, MONTEREY PARK, CA 91755-4148 |
| Document Number | 0000189182 |
|---|---|
| Date | May 23, 2022 |
| Instrument | 2022-0189182 |
| Name | ACG FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Mar 1, 2022 |
| Property Address | 639 E 4TH ST, ONTARIO, CA 91764-2808 |
| Document Number | 0000080479 |
| Map Reference | MB 11 PG 6 |
| Instrument Date | Jan 24, 2022 |
| Instrument | 2022-0080479 |
| Transaction Type | Transfer |
| Record Updated | Mar 17, 2022 |
| Title Company | WFG NATIONAL TITLE COMPANY/CA, WFG NATIONAL TITLE CO OF CA |
| 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 |
|---|---|
| Address | 3524 GREENWOOD AVE, COMMERCE, CA 90040-3319 |
| Document Number | 0000080480 |
|---|---|
| Date | Mar 1, 2022 |
| Instrument | 2022-0080480 |
| Name | MERCHANTS FUNDING AZ LLC |
|---|---|
| Type | Lending Institution |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Feb 18, 2052 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Jan 24, 2020 |
| Property Address | 639 E 4TH ST, ONTARIO, CA 91764-2808 |
| Document Number | 0000027928 |
| Instrument Date | Jan 21, 2020 |
| Instrument | 27928 |
| Transaction Type | Transfer |
| Record Updated | Feb 20, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 639 FAST 4TH ST ONTARIO CA 91764, ONTARIO, CA 91764 |
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Ontario City |
| Secondary School District | Chaffey Joint Union High School District (09 - 12) |
| Elementary School District | Ontario-Montclair School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $932,027 (+2%) Land $261,028 Building $670,999 | |
| 2025 | $10,026.00 (+31.51%) | $913,752 (+30.02%) Land $255,910 Building $657,842 |
| 2023 | $7,624.00 (+246.23%) | $702,780 Land $245,973 Building $456,807 |
| 2022 | $2,202.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 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 | Not rated no burnable land within 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 | ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people · EPA ID CA3610034 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2025 |
| 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 813 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 / 1,000 |
May also be available: GeoLinks, T-Mobile, Verizon.
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