San Diego County property record for 10510 Theseus Ct, Spring Valley, CA 91977
| Property Type | Condominium |
|---|---|
| Owner | 2 Individual Names on Record |
| Last Sale | $743,500 (Dec 2021) |
| Tax Bill | $10,011 (2025) |
| Deeds & Mortgages | Dec 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 505-580-11-10 |
| Primary APN | 505-580-11-10 |
|---|
| Architectural Style | Condo/Apartment |
|---|
| Street Address | 10510 THESEUS CT |
|---|---|
| City | SPRING VALLEY |
| State | CA |
| Zip | 91977-7153 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | RM |
| Legal Description | LOT 1 US 10 PER DOC20-0639580&UND INT IN MODULE M TR 016420 |
| Legal Tract | 016420 |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | SAN DIEGO |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 13504 |
Source: San Diego County records, as of July 28, 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 | 10510 THESEUS CT, SPRING VALLEY, CA 91977-7153 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 30, 2021 · Amount on Record |
| Deed Sale | Dec 30, 2021 · Amount on Record |
| Deed Document Number | 2021875964 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Dec 30, 2021 |
| Property Address | 10510 THESEUS CT, SPRING VALLEY, CA 91977-7153 |
| Document Number | 0000875964 |
| Map Reference | MAP 16420 |
| Instrument Date | Dec 2, 2021 |
| Instrument | 2021-0875964 |
| Transaction Type | Transfer |
| Record Updated | Mar 7, 2023 |
| Title Company | LENNAR TITLE INC |
| 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 | Tenants in Common |
| Address | 10510 THESEUS CT, SPRING VALLEY, CA 91977-7153 |
| Document Number | 0000875965 |
|---|---|
| Date | Dec 30, 2021 |
| Instrument | 2021-0875965 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2052 |
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 | $807,703 (+2%) Land $411,324 Building $396,379 | |
| 2025 | $10,011.00 (+6.62%) Homeowner's exemption | $791,866 (+4.04%) Land $403,259 Building $388,607 |
| 2023 | $9,389.00 (+1.44%) Homeowner's exemption | $761,118 Land $387,600 Building $373,518 |
| 2022 | $9,256.00 |
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 · 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 | 2 in force |
| Nearby Flood Claims | 1 (2024) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2024 · Severe Storm And Flooding |
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 | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 342 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| San Diego Broadband Fixed Wireless | 500 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Cox Communications, GeoLinks.
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