1715 Mount Silliman Way, Antioch, CA 94531 Property Records

Contra Costa County property record for 1715 Mount Silliman Way, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,710 sqft · built 1993
Lot Size	0.103 acres (4,500 sqft)
Owner	Individual Name on File
Last Sale	$171,000 (Sep 2011)
Tax Bill	$3,204 (2025)
Deeds & Mortgages	Dec 2021 Line of Credit Aug 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`055-040-033-7`

Property Details

APN / Parcel Number

Primary APN	`055-040-033-7`
Alternative APN	`055-040-033`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,710 sqft Living Area
1st Floor Area	944 sqft
2nd Floor Area	766 sqft

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Lot Area	4,500 sqft (0.103 acres)
Garage Type	Attached
Garage Area	448 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	1715 MOUNT SILLIMAN WAY
City	ANTIOCH
State	CA
Zip	94531-8803
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T7592 L104
Legal Subdivision	SUBDIVISION 7592
Legal Tract	7592
Legal Lot Number	104
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1002
Census Tract	355120

Owner

1715 Mount Silliman Way is owned by an individual who acquired it in November 2011.

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

Owner of Record	Individual Name on File
Mailing Address	36 KENYON AVE, KENSINGTON, CA 94708-1025
Owner Type	Individual

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
Dec 6, 2021	Deed of Trust, Mortgage · Line of Credit REDWOOD CU
Aug 13, 2020	Deed of Trust, Mortgage · Conventional Mortgage TCF NATIONAL BANK
Jun 29, 2020	Quit Claim Deed, Transfer WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 2, 2011 · Amount on File
Deed Sale	Sep 2, 2011 · Amount on File
Prior Sale	Mar 1, 2011 · Amount on File
Deed Document Number	2011180934
Last Transfer Date	Nov 11, 2011
Transfer Doc	0000016744
Record Updated	Oct 29, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1715 MOUNT SILLIMAN WAY, ANTIOCH, CA 94531-8803
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	36 KENYON AVE, KENSINGTON, CA 94708-1025

Mortgage

Document Number	0000332059
Date	Dec 6, 2021
Instrument	2021-332059

Lender

Name	REDWOOD CU
Type	Credit Union
Address	SANTA ROSA, CA 95403

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	301 Months
Due	Jan 15, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1715 MOUNT SILLIMAN WAY, ANTIOCH, CA 94531-8803
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	WFG LENDER SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000170174
Date	Aug 13, 2020
Instrument	2020-170174

Lender

Name	TCF NATIONAL BANK
Type	Bank
Address	SIOUX FALLS, SD 57106

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 1, 2050

June 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 29, 2020
Property Address	1715 MOUNT SILLIMAN WAY, ANTIOCH, CA 94531-8803
Document Number	0000127239
Instrument Date	Jun 13, 2020
Instrument	127239
Transaction Type	Transfer
Record Updated	Jul 10, 2020
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	36 KENYON AVE KENSINGTON CA 947081025, KENSINGTON, CA 94708-1025

Tax Assessment & Valuation

The 2025 property tax bill for 1715 Mount Silliman Way was $3,204.

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		$251,096 (+2%) Land $51,239 Building $199,857
2025	$3,204.00	$246,174 Land $50,235 Building $195,939
2023	$3,002.00 (+1.45%)	$236,617 Land $48,285 Building $188,332
2022	$2,959.00

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

Flood

FEMA maps place 1715 Mount Silliman Way in Zone X, an area of minimal flood risk.

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

Wildfire risk around 1715 Mount Silliman Way is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	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.

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 753 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
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Verizon.

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