San Diego County property record for 643 Thayer Dr, Spring Valley, CA 91977 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,066 sqft · built 1958 |
| Lot Size | 0.149 acres (6,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $648,000 (Jan 2023) |
| Tax Bill | $8,707 (2025) |
| Deeds & Mortgages | Jan 2023 Sale & Mortgage Aug 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 584-092-02-00 |
| Primary APN | 584-092-02-00 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,066 sqft Living Area |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Lot Area | 6,500 sqft (0.149 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 643 THAYER DR |
|---|---|
| City | SPRING VALLEY |
| State | CA |
| Zip | 91977-5626 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 146 TR 003981 |
| Legal Subdivision | SPRING VALLEY ESTATES |
| Legal Tract | 003981 |
| Legal Block | 2 |
| Legal Lot Number | 146 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | SAN DIEGO |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 13908 |
Source: San Diego County records · APN 584-092-02-00
Assessment roll updated July 28, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 643 THAYER DR, SPRING VALLEY, CA 91977-5626 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jan 20, 2023 | Grant Deed, Transfer · FHA Mortgage SYNERGY ONE LENDING |
| Aug 11, 2022 | Grant Deed, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 20, 2023 · Amount on Record |
| Deed Sale | Jan 20, 2023 · Amount on Record |
| Prior Sale | Aug 11, 2022 · Amount on Record |
| Deed Document Number | 202316550 |
| Prior Transfer Date | Dec 12, 2006 |
| Prior Transfer Doc | 0000189561 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Jan 20, 2023 |
| Property Address | 643 THAYER DR, SPRING VALLEY, CA 91977-5626 |
| Document Number | 0000016550 |
| Map Reference | MAP 3981 |
| Instrument Date | Dec 22, 2022 |
| Instrument | 2023-0016550 |
| Transaction Type | Transfer |
| Record Updated | Jan 31, 2023 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 643 THAYER DR, SPRING VALLEY, CA 91977-5626 |
| Document Number | 0000016551 |
|---|---|
| Date | Jan 20, 2023 |
| Instrument | 2023-0016551 |
| Name | SYNERGY ONE LENDING |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2053 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Aug 11, 2022 |
| Property Address | 643 THAYER DR, SPRING VALLEY, CA 91977-5626 |
| Document Number | 0000326013 |
| Map Reference | MAP 3981 |
| Instrument Date | Jul 27, 2022 |
| Instrument | 2022-0326013 |
| Transaction Type | Transfer |
| Record Updated | Aug 18, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1525 AVIATION BLVD # 392, 392, REDONDO BEACH, CA 90278-2805 |
Source: San Diego County records · Assessment roll updated July 28, 2026 · Last verified August 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $687,660 (+2%) Land $307,688 Building $379,972 | |
| 2025 | $8,707.00 (+36.54%) | $674,177 (+36.21%) Land $301,655 Building $372,522 |
| 2023 | $6,377.00 (+226.86%) | $494,955 Land $221,464 Building $273,491 |
| 2022 | $1,951.00 |
Source: FEMA National Flood Hazard Layer, San Diego County (06073C), updated September 3, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 548 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Cox Communications | Cable | 2,000 / 100 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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