San Diego County property record for 668 Gemstone Dr, San Marcos, CA 92078 · Last verified July 2026
| Property Type | Condominium |
|---|---|
| Details | 3 bd · 2.5 ba · 2,211 sqft · built 2018 |
| Owner | 2 Individual Names on File |
| Last Sale | $653,500 (Nov 2018) |
| Tax Bill | $11,005 (2025) |
| Deeds & Mortgages | Aug 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 222-173-29-05 |
| Primary APN | 222-173-29-05 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,211 sqft Living Area |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Architectural Style | Condo/Apartment |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 668 GEMSTONE DR |
|---|---|
| City | SAN MARCOS |
| State | CA |
| Zip | 92078-1408 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | LOT 49 US 24 PER DOC18-0297846&UND INT IN PHASE 8 TR 016159 |
| Legal Subdivision | RANCHO CORONADO VILLAGE M #15- |
| Legal Tract | 016159 |
| Legal Block | 4 |
| Legal Lot Number | 49 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | OCEANSIDE-ESCONDIDO |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 20044 |
Source: San Diego County records · APN 222-173-29-05
Assessment roll updated July 21, 2026 · Last verified July 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 | 668 GEMSTONE DR, SAN MARCOS, CA 92078-1408 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 15, 2018 · Amount on Record |
| Deed Sale | Nov 15, 2018 · Amount on Record |
| Deed Document Number | 2018474767 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Property Address | 668 GEMSTONE DR, SAN MARCOS, CA 92078-1408 |
| Document Number | 0000373227 |
| Instrument Date | Aug 24, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Sep 09, 2019 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 668 GEMSTONE DR SAN MARCOS CA 920781408, SAN MARCOS, CA 92078-1408 |
| Document Number | 0000373227 |
|---|---|
| Date | Aug 29, 2019 |
| Instrument | 373227 |
| Name | ONETRUST HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | SAN DIEGO, CA 92108 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 28, 2049 |
Source: San Diego County records · Assessment roll updated July 21, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | San Diego County |
| Municipality | San Marcos City |
| Unified School District | San Marcos Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $743,542 (+2%) Land $341,347 Building $402,195 | |
| 2025 | $11,005.00 (+7.17%) | $728,963 (+4.04%) Land $334,654 Building $394,309 |
| 2023 | $10,269.00 (+2.18%) | $700,659 Land $321,660 Building $378,999 |
| 2022 | $10,050.00 |
Source: FEMA National Flood Hazard Layer, San Diego County (06073C), updated September 3, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060730200444, refreshed September 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 |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Moderate above 45% of the US · above 26% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,449 per year |
| Exposure | Indirect within ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 468 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Cox Communications | Fiber | 2,000 / 35 |
| Spectrum | Cable | 1,000 / 50 |
| San Diego Broadband | Fixed Wireless (unlicensed) | 500 / 100 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Cox Communications, AT&T, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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