1628 Helix St, Spring Valley, CA 91977 Property Records

San Diego County property record for 1628 Helix St, Spring Valley, CA 91977

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,872 sqft · built 1965
Lot Size	0.316 acres (13,780 sqft)
Owner	2 Individual Names on File
Last Sale	$765,000 (Oct 2022)
Tax Bill	$10,055 (2025)
Deeds & Mortgages	Oct 2022 Transfer Oct 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`578-141-18-00`

Property Details

APN / Parcel Number

Primary APN	`578-141-18-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Units	2 Units
Building Area	1,872 sqft Living Area

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1965
Architectural Style	Duplex Single
Lot Area	13,780 sqft (0.316 acres)

Location & Zoning

Street Address	1628 HELIX ST
City	SPRING VALLEY
State	CA
Zip	91977-3915
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RS
Legal Description	LOT 9 POR TR 000330
Legal Subdivision	RANCHO MISSION
Legal Tract	000330
Legal Block	3
Legal Lot Number	9
Jurisdiction	SAN DIEGO CA
Township / Civil Division	SAN DIEGO
Census Block Group	3
Census Block	3000
Census Tract	13906

Owner

1628 Helix St, a duplex, is owned and occupied by two individuals who bought it in October 2022.

Source: San Diego County records, as of July 28, 2026

Owner of Record	2 Individual Names on File
Mailing Address	1628 HELIX ST, SPRING VALLEY, CA 91977-3915
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Oct 3, 2022	Affidavit of Death of Joint Tenant, Transfer TICOR TITLE COMPANY/CA SAN DIEGO, TICOR TITLE CO SAN DIEGO
Oct 3, 2022	Grant Deed, Transfer · Conventional Mortgage MISSION FCU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 3, 2022 · Amount on File
Deed Sale	Oct 3, 2022 · Amount on File
Deed Document Number	2022386801
Prior Transfer Date	Sep 26, 2022
Prior Transfer Doc	0000386800
Record Updated	Sep 20, 2026

October 2022: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	SAN DIEGO CA
Recording Date	Oct 3, 2022
Property Address	1628 HELIX ST, SPRING VALLEY, CA 91977-3915
Document Number	0000386799
Instrument Date	Sep 30, 2022
Instrument	2022-0386799
Transaction Type	Transfer
Record Updated	Aug 1, 2023
Title Company	TICOR TITLE COMPANY/CA SAN DIEGO, TICOR TITLE CO SAN DIEGO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	8767 HELIX VISTA DR, SPRING VALLEY, CA 91977-3926
Mail Care Of	DONALD R KOUNS AND LAURY D KOUNS

October 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN DIEGO CA
Recording Date	Oct 3, 2022
Property Address	1628 HELIX ST, SPRING VALLEY, CA 91977-3915
Document Number	0000386801
Instrument Date	Sep 7, 2022
Instrument	2022-0386801
Transaction Type	Transfer
Record Updated	Aug 1, 2023
Title Company	TRICO TITLE COMPANY, TICOR TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	1628 HELIX ST, SPRING VALLEY, CA 91977-3915

Mortgage

Document Number	0000386802
Date	Oct 3, 2022
Instrument	2022-0386802

Lender

Name	MISSION FCU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	4.25%
Type Change Date	Nov 1, 2027
Change Frequency	5 Years
Min Rate At Change	2.25%
Max Rate At Change	6.25%
Index	5-Year CMT
Margin	2
Max Rate	9.25%

Tax Assessment & Valuation

The 2025 property tax bill for 1628 Helix St was $10,055 with a homeowner's exemption.

Source: San Diego County assessment roll, as of July 28, 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$811,823 (+2%) Land $493,461 Building $318,362
2025	$10,055.00 Homeowner's exemption	$795,906 Land $483,786 Building $312,120
2023	$9,429.00 (+517.49%) Homeowner's exemption	$765,000 Land $465,000 Building $300,000
2022	$1,527.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 1628 Helix St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2018.

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	4 in force
Nearby Flood Claims	1 (2018)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Dec 2018 · rainfall accumulation

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.

Wildfire

Wildfire risk around 1628 Helix St is low, with a 0.04% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 64% of the US · lower than 78% of California
Wildfire Likelihood	0.04% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 520 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
Verizon Fixed Wireless	300 / 20

May also be available: AT&T, T-Mobile.

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