San Diego County property record for 3121 Helix St, Spring Valley, CA 91977
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,560 sqft · built 1940 |
| Lot Size | 0.366 acres (15,959 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $140,000 (Jul 1995) |
| Tax Bill | $6,037 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 504-122-36-00 |
| Primary APN | 504-122-36-00 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,560 sqft Living Area |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Lot Area | 15,959 sqft (0.366 acres) |
| Street Address | 3121 HELIX ST |
|---|---|
| City | SPRING VALLEY |
| State | CA |
| Zip | 91977-2733 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS |
| Legal Description | PAR 3 TR PM05045 |
| Legal Subdivision | LA MESA COUNTY CLUB |
| Legal Tract | 5045 |
| Legal Block | 1 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | SAN DIEGO |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 13702 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 3121 HELIX ST, SPRING VALLEY, CA 91977-2733 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 5, 1995 · Amount on Record |
| Deed Sale | Jul 5, 1995 · Amount on Record |
| Prior Sale | Feb 17, 1995 · Amount on Record |
| Deed Document Number | 1995285003 |
| Prior Transfer Date | Nov 14, 1994 |
| Prior Transfer Doc | 0000681589 |
| 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 | $457,930 (+2%) Land $265,895 Building $192,035 | |
| 2025 | $6,037.00 (+7.23%) | $448,952 (+4.04%) Land $260,682 Building $188,270 |
| 2023 | $5,630.00 (+1.59%) | $431,520 Land $250,560 Building $180,960 |
| 2022 | $5,542.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 11 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 30 units insured incl. 19 condo units |
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 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 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 | 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 305 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 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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