San Diego County property record for 743 Thayer Dr, Spring Valley, CA 91977
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,034 sqft · built 1959 |
| Lot Size | 0.168 acres (7,300 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $390,000 (Oct 2004) |
| Tax Bill | $7,165 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 584-074-06-00 |
| Primary APN | 584-074-06-00 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,034 sqft Living Area |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Lot Area | 7,300 sqft (0.168 acres) |
| View / Lot | Good |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 743 THAYER DR |
|---|---|
| City | SPRING VALLEY |
| State | CA |
| Zip | 91977-4835 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS |
| Legal Description | LOT 37 TR 004074 |
| Legal Subdivision | SPRING VALLEY ESTATES |
| Legal Tract | 004074 |
| Legal Block | 2 |
| Legal Lot Number | 37 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | SAN DIEGO |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 13908 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 743 THAYER DR, SPRING VALLEY, CA 91977-4835 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 20, 2004 · Amount on Record |
| Deed Sale | Oct 20, 2004 · Amount on Record |
| Deed Document Number | 2004992929 |
| Prior Transfer Date | Oct 6, 2004 |
| Prior Transfer Doc | 0000992928 |
| Record Updated | Oct 29, 2026 |
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 | $554,449 (+2%) Land $298,550 Building $255,899 | |
| 2025 | $7,165.00 (+6.99%) | $543,579 (+4.04%) Land $292,697 Building $250,882 |
| 2023 | $6,697.00 (+1.52%) | $522,473 Land $281,332 Building $241,141 |
| 2022 | $6,597.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 3, 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 | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 | Viejas Community System tribal government · serves 9,600 people · EPA ID 090600158 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2023 |
| Also Mapped Here | OTAY WATER DISTRICT, SAN DIEGO COUNTY WATER AUTHORITY |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 548 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable | 2,000 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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