4780 Mount Helix Dr, La Mesa, CA 91941 Property Records

San Diego County property record for 4780 Mount Helix Dr, La Mesa, CA 91941

Property Summary

Property Type	Single Family Home
Details	7 bd · 7 ba · 9,019 sqft · built 1946
Lot Size	2.48 acres (108,029 sqft)
Owner	2 Company Names on Record
Last Sale	$3,850,000 (Jan 2022)
Tax Bill	$48,319 (2025)
Deeds & Mortgages	Jan 2026 Transfer Jan 2022 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`496-140-12-00`

Property Details

APN / Parcel Number

Primary APN	`496-140-12-00`

Interior

Bedrooms	7 Beds
Full Baths	7 Baths
Building Area	9,019 sqft Living Area

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1946
Lot Area	108,029 sqft

Location & Zoning

Street Address	4780 MOUNT HELIX DR
City	LA MESA
State	CA
Zip	91941-4353
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RR
Legal Description	LOT 87 2.48 AC M/L IN LOTS 82 THRU 86&IN TR 001516
Legal Subdivision	MOUNT HELIX
Legal Tract	001516
Legal Block	1
Legal Lot Number	82-87
Jurisdiction	SAN DIEGO CA
Township / Civil Division	SAN DIEGO
Census Block Group	1
Census Block	1001
Census Tract	15200

Owner

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 Company Names on Record
Mailing Address	4780 MOUNT HELIX DR, LA MESA, CA 91941-4353
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 6, 2026	Intrafamily Transfer, Transfer
Jan 7, 2022	Grant Deed, Transfer · Conventional Mortgage CASTLE MORTGAGE CORP
Mar 12, 2020	Intrafamily Transfer, Transfer · Commercial Mortgage ROSA FAMILY TRUST

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 7, 2022 · Amount on Record
Deed Sale	Jan 7, 2022 · Amount on Record
Deed Document Number	20229481
Prior Transfer Date	Sep 6, 1995
Prior Transfer Doc	0000406205
Record Updated	Oct 29, 2026

January 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN DIEGO CA
Recording Date	Jan 6, 2026
Property Address	4780 MOUNT HELIX DR, LA MESA, CA 91941-4353
Document Number	0000002624
Map Reference	MAP 1516
Instrument Date	Dec 16, 2025
Instrument	2026-0002624
Transaction Type	Transfer
Record Updated	Jan 14, 2026

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4780 MOUNT HELIX DR, LA MESA, CA 91941-4353

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	4780 MOUNT HELIX DR, LA MESA, CA 91941-4353

January 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN DIEGO CA
Recording Date	Jan 7, 2022
Property Address	4780 MOUNT HELIX DR, LA MESA, CA 91941-4353
Document Number	0000009481
Map Reference	MAP 1516
Instrument Date	Aug 30, 2021
Instrument	2022-0009481
Transaction Type	Transfer
Record Updated	Jan 17, 2022
Title Company	CALIFORNIA TITLE COMPANY

Transaction

Amount	Amount Recorded
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	Community Property with Right of Survivorship
Address	4780 MOUNT HELIX DR, LA MESA, CA 91941-4353

Mortgage

Document Number	0000009482
Date	Jan 7, 2022
Instrument	2022-0009482

Lender

Name	CASTLE MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	481 Months
Due	Feb 1, 2062

March 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN DIEGO CA
Recording Date	Mar 12, 2020
Property Address	4780 MOUNT HELIX DR, LA MESA, CA 91941-4353
Document Number	0000130156
Map Reference	MAP 1516
Instrument Date	Feb 28, 2020
Instrument	2020-0130156
Transaction Type	Transfer
Record Updated	Aug 24, 2021

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	2550 5TH AVE STE 618, 618, SAN DIEGO, CA 92103-6624

Mortgage

Document Number	0000130157
Date	Mar 12, 2020
Instrument	2020-0130157

Lender

Name	ROSA FAMILY TRUST
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

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		$4,167,362 (+2%) Land $1,623,648 Building $2,543,714
2025	$48,319.00 (+5.65%)	$4,085,650 (+4.04%) Land $1,591,812 Building $2,493,838
2023	$45,735.00 (+508.74%)	$3,927,000 Land $1,530,000 Building $2,397,000
2022	$7,513.00

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

Flood

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 (2007)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Dec 2007 · other causes

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

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

Wildfire Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	0.02% annual chance
Exposure	Direct burnable vegetation

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 277 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Cox Communications Cable	2,000 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: GeoLinks, Verizon.

Nearby Properties on Mount Helix Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures