4173 Diamond Cir, Oceanside, CA 92056 Property Records

San Diego County property record for 4173 Diamond Cir, Oceanside, CA 92056

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 1,512 sqft · built 1986
Lot Size	0.115 acres (5,004 sqft)
Owner	2 Individual Names on Record
Last Sale	$595,000 (Sep 2019)
Tax Bill	$7,402 (2025)
Deeds & Mortgages	Jan 2021 Mortgage Sep 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`162-520-49-00`

Property Details

APN / Parcel Number

Primary APN	`162-520-49-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,512 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Architectural Style	Conventional
Exterior Material	Stucco
Roof Material	Tile
Lot Area	5,004 sqft (0.115 acres)
Garage Type	Carport
Carport	Carport
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4173 DIAMOND CIR
City	OCEANSIDE
State	CA
Zip	92056-3447
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RM-A
Legal Description	LOT 49 TR 011093
Legal Subdivision	COLLEGE PARK ESTATES
Legal Tract	011093
Legal Block	2
Legal Lot Number	49
Jurisdiction	SAN DIEGO CA
Township / Civil Division	OCEANSIDE-ESCONDIDO
Census Block Group	2
Census Block	2004
Census Tract	19403

Owner

Source: San Diego County records, as of July 21, 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	4173 DIAMOND CIR, OCEANSIDE, CA 92056-3447
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jan 8, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Sep 23, 2019	Grant Deed, Transfer · Conventional Mortgage THE TURNKEY FOUNDATION INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 23, 2019 · Amount on Record
Deed Sale	Sep 23, 2019 · Amount on Record
Prior Sale	Mar 21, 2008 · Amount on Record
Deed Document Number	2019418566
Prior Transfer Date	Dec 30, 2004
Prior Transfer Doc	0000021439
Record Updated	Sep 20, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN DIEGO CA
Property Address	4173 DIAMOND CIR, OCEANSIDE, CA 92056-3447
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATL TTL SAN DIEGO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4173 DIAMOND CIR, OCEANSIDE, CA 92056-3447

Mortgage

Document Number	0000016589
Date	Jan 8, 2021
Instrument	2021-0016589

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

September 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN DIEGO CA
Recording Date	Sep 23, 2019
Property Address	4173 DIAMOND CIR, OCEANSIDE, CA 92056-3447
Document Number	0000418566
Map Reference	MAP 11093
Instrument Date	Sep 9, 2019
Instrument	2019-0418566
Transaction Type	Transfer
Record Updated	Aug 24, 2021
Title Company	CHICAGO 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	Joint Tenants
Address	4173 DIAMOND CIR, OCEANSIDE, CA 92056-3447

Mortgage

Document Number	0000418567
Date	Sep 23, 2019
Instrument	2019-0418567

Lender

Name	THE TURNKEY FOUNDATION INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2049

Tax Assessment & Valuation

Source: San Diego County assessment roll, as of July 21, 2026

Property Jurisdictions

Type	Name
State	California
County	San Diego County
Municipality	Oceanside City
Unified School District	Vista Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$663,727 (+2%) Land $336,674 Building $327,053
2025	$7,402.00 (+8.65%)	$650,714 (+4.04%) Land $330,073 Building $320,641
2023	$6,813.00 (+0.25%)	$625,447 Land $317,256 Building $308,191
2022	$6,796.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Not rated no burnable land within 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	CITY OF OCEANSIDE serves 174,340 people · EPA ID CA3710014
Water Source	Purchased surface water from several systems
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 554 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
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: FiberFirst, Verizon.

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