San Diego County property record for 8642 Harness St, Spring Valley, CA 91977
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,032 sqft · built 1959 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Company Name on File |
| Last Sale | $260,000 (Aug 2010) |
| Tax Bill | $1,451 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 578-111-09-00 |
| Primary APN | 578-111-09-00 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,032 sqft Living Area |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Built-Up Asphalt |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 8642 HARNESS ST |
|---|---|
| City | SPRING VALLEY |
| State | CA |
| Zip | 91977-3818 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS |
| Legal Description | LOT 97 TR 004034 |
| Legal Subdivision | MOUNT MIGUEL TERRACE |
| Legal Tract | 004034 |
| Legal Block | 3 |
| Legal Lot Number | 97 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | SAN DIEGO |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 13906 |
8642 Harness St is owned by a company that acquired it in October 2013 and is owner-occupied.
Source: San Diego County records, as of July 28, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 8642 HARNESS ST, SPRING VALLEY, CA 91977-3818 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 5, 2010 · Amount on File |
| Deed Sale | Aug 5, 2010 · Amount on File |
| Deed Document Number | 2010399179 |
| Last Transfer Date | Oct 10, 2013 |
| Transfer Doc | 0000196850 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 8642 Harness St was $1,451 with a homeowner's exemption.
Source: San Diego County assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Diego County |
| Secondary School District | Grossmont Union High School District (09 - 12) |
| Elementary School District | La Mesa-Spring Valley School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $68,982 (+2%) Land $25,186 Building $43,796 | |
| 2025 | $1,451.00 Homeowner's exemption | $67,631 Land $24,693 Building $42,938 |
| 2023 | $1,286.00 (+3.21%) Homeowner's exemption | $65,007 Land $23,735 Building $41,272 |
| 2022 | $1,246.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 8642 Harness St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2018.
Source: FEMA National Flood Hazard Layer, effective September 3, 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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 1 (2018) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2018 · rainfall accumulation |
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.
The area around 8642 Harness St has no burnable land within ember reach, so its wildfire risk is not rated.
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 | HELIX WATER DISTRICT serves 277,918 people · EPA ID CA3710010 |
|---|---|
| Water Source | Surface water |
| 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 520 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable · Fiber in parts of the area | 2,000 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, T-Mobile.
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