5505 Mountain Ridge Way, Antioch, CA 94531 Property Records

Contra Costa County property record for 5505 Mountain Ridge Way, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 3,529 sqft · built 2018
Lot Size	0.109 acres (4,763 sqft)
Owner	2 Individual Names on File
Last Sale	$622,500 (Nov 2018)
Tax Bill	$12,425 (2025)
Deeds & Mortgages	Mar 2026 Mortgage Mar 2026 Transfer + 5 more
Flood Zone	Zone X (minimal risk)
APN	`053-780-012`

Property Details

APN / Parcel Number

Primary APN	`053-780-012`
Alternative APN	`053-780-012-0`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	3,529 sqft Living Area
1st Floor Area	1,850 sqft
2nd Floor Area	1,679 sqft

Exterior

Year Built	Built 2018
Effective Year Built	Effective 2018
Lot Area	4,763 sqft (0.109 acres)
Garage Type	Attached
Garage Area	444 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	5505 MOUNTAIN RIDGE WAY
City	ANTIOCH
State	CA
Zip	94531-8698
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8846 L12
Legal Subdivision	SUBDIVISION 8846 PARK RDG 1
Legal Tract	8846
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	4
Census Block	4005
Census Tract	302009

Owner

5505 Mountain Ridge Way is owned and occupied by two individuals who acquired it in July 2023.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

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
Mar 30, 2026	Quit Claim Deed, Transfer · Conventional Mortgage CHERIX INC
Mar 30, 2026	Intrafamily Transfer, Transfer PROROVIDENCE TITLE COMPANY, PROVIDENT TITLE COMPANY
Jul 17, 2023	Intrafamily Transfer, Transfer
Apr 13, 2023	Intrafamily Transfer, Transfer
Jan 13, 2023	Intrafamily Transfer, Transfer
Dec 4, 2018	Quit Claim Deed, Transfer NOT AVAILABLE
Nov 7, 2018	Grant Deed, Subdivision Related Transfer · ARM PMAC LENDING SERVICES INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 7, 2018 · Amount on File
Deed Sale	Nov 7, 2018 · Amount on File
Deed Document Number	2018181500
Last Transfer Date	Jul 14, 2023
Transfer Doc	0000067416
Record Updated	Sep 20, 2026

March 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 30, 2026
Property Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698
Document Number	0000031398
Map Reference	MB 531 PG 37
Instrument Date	Mar 19, 2026
Instrument	2026- 031398
Transaction Type	Transfer
Record Updated	Apr 9, 2026
Title Company	PROROVIDENCE TITLE COMPANY, PROVIDENT TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698

Mortgage

Document Number	0000031400
Date	Mar 30, 2026
Instrument	2026- 031400

Lender

Name	CHERIX INC
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2056

March 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 30, 2026
Property Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698
Document Number	0000031399
Map Reference	MB 531 PG 37
Instrument Date	Mar 19, 2026
Instrument	2026- 031399
Transaction Type	Transfer
Record Updated	Apr 9, 2026
Title Company	PROROVIDENCE TITLE COMPANY, PROVIDENT TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 17, 2023
Property Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698
Document Number	0000067416
Map Reference	MB 531 PG 37
Instrument Date	Jul 14, 2023
Instrument	2023-067416
Transaction Type	Transfer
Record Updated	Aug 1, 2023

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
Relationship	Living Trust
Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698

April 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 13, 2023
Property Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698
Document Number	0000034499
Map Reference	MB 531 PG 37
Instrument Date	Apr 13, 2023
Instrument	2023-034499
Transaction Type	Transfer
Record Updated	Aug 1, 2023

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
Relationship	Living Trust
Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698

January 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 13, 2023
Property Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698
Document Number	0000003811
Map Reference	MB 531 PG 37
Instrument Date	Jan 13, 2023
Instrument	2023-003811
Transaction Type	Transfer
Record Updated	Aug 1, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 4, 2018
Property Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698
Document Number	0000194247
Instrument Date	Nov 20, 2018
Instrument	194247
Transaction Type	Transfer
Record Updated	Dec 13, 2018
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5505 MOUNTAIN RIDGE WAY ANTIOCH CA 945318698, ANTIOCH, CA 94531-8698

November 2018: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 7, 2018
Property Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698
Document Number	0000181500
Map Reference	MB 531 PG 37
Instrument Date	Sep 25, 2018
Instrument	2018-181500
Transaction Type	Subdivision Related Transfer
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN 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 Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	5505 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698

Mortgage

Document Number	0000181501
Date	Nov 7, 2018
Instrument	2018-181501

Lender

Name	PMAC LENDING SERVICES INC
Type	Mortgage Company

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	5.12%
Type Change Date	Dec 1, 2025
Change Frequency	Annually
Min Rate At Change	3.25%
Max Rate At Change	7.12%
Index	1-Year LIBOR
Max Rate	11.1%

Tax Assessment & Valuation

The 2025 property tax bill for 5505 Mountain Ridge Way was $12,425.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Antioch City
Unified School District	Antioch Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$866,678 (+2%) Land $254,831 Building $611,847
2025	$12,425.00	$849,685 Land $249,835 Building $599,850
2023	$10,204.00 (+2.53%)	$666,908 (+2%) Land $107,219 Building $559,689
2022	$9,952.00 Homeowner's exemption	$653,832 Land $105,117 Building $548,715

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

Flood

FEMA maps place 5505 Mountain Ridge Way in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 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

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

The area around 5505 Mountain Ridge Way has no burnable land within ember reach, so its wildfire risk is not rated.

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 ANTIOCH serves 116,781 people · EPA ID CA0710001
Water Source	Surface water
Last State Inspection	Jan 2024
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 566 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Verizon.

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