1900 Mount Hamilton Dr, Antioch, CA 94531 Property Records

Contra Costa County property record for 1900 Mount Hamilton Dr, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,202 sqft · built 1995
Lot Size	0.171 acres (7,450 sqft)
Owner	Individual Name on File
Last Sale	$720,000 (Jul 2021)
Tax Bill	$7,755 (2025)
Deeds & Mortgages	Jul 2021 Sale & Mortgage Jul 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`055-020-045-5`

Property Details

APN / Parcel Number

Primary APN	`055-020-045-5`
Alternative APN	`055-020-045`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,202 sqft Living Area
1st Floor Area	1,054 sqft
2nd Floor Area	1,148 sqft

Exterior

Year Built	Built 1995
Effective Year Built	Effective 2000
Lot Area	7,450 sqft (0.171 acres)
Garage Type	Attached
Garage Area	633 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	1900 MOUNT HAMILTON DR
City	ANTIOCH
State	CA
Zip	94531-8356
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T7499 L202
Legal Subdivision	SUBDIVISION 7499
Legal Tract	7499
Legal Lot Number	202
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1007
Census Tract	355120

Owner

1900 Mount Hamilton Dr is owned and occupied by an individual who bought it in July 2021.

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

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

Owner of Record	Individual Name on File
Mailing Address	PO BOX 1447, BRENTWOOD, CA 94513-3447
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 26, 2021	Grant Deed, Transfer · Conventional Mortgage NMSI INC
Jul 26, 2021	Intrafamily Transfer, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Apr 16, 2021	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 26, 2021 · Amount on File
Deed Sale	Jul 26, 2021 · Amount on File
Prior Sale	Apr 16, 2021 · Amount on File
Deed Document Number	2021208368
Prior Transfer Date	Jul 20, 2021
Prior Transfer Doc	0000208369
Record Updated	Oct 29, 2026

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 26, 2021
Property Address	1900 MOUNT HAMILTON DR, ANTIOCH, CA 94531-8356
Document Number	0000208368
Map Reference	MB 361 PG 4
Instrument Date	Jul 20, 2021
Instrument	2021-208368
Transaction Type	Transfer
Record Updated	Jun 15, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1900 MOUNT HAMILTON DR, ANTIOCH, CA 94531-8356

Mortgage

Document Number	0000208370
Date	Jul 26, 2021
Instrument	2021-208370

Lender

Name	NMSI INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2051

July 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 26, 2021
Property Address	1900 MOUNT HAMILTON DR, ANTIOCH, CA 94531-8356
Document Number	0000208369
Map Reference	MB 361 PG 4
Instrument Date	Jul 20, 2021
Instrument	2021-208369
Transaction Type	Transfer
Record Updated	Aug 1, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

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	1713 EAGLEAVE, ALAMEDA, CA 94501-1206

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 16, 2021
Property Address	1900 MOUNT HAMILTON DR, ANTIOCH, CA 94531-8356
Document Number	0000115027
Map Reference	MB 361 PG 4
Instrument Date	Apr 13, 2021
Instrument	2021-115027
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount 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	PO BOX 1447, BRENTWOOD, CA 94513-3447

Tax Assessment & Valuation

The 2025 property tax bill for 1900 Mount Hamilton Dr was $7,755 with a homeowner's exemption.

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		$655,000 (-4.52%) Land $181,944 Building $473,056
2025	$7,755.00 Homeowner's exemption	$686,000 Land $190,556 Building $495,444
2023	$7,368.00 (-15.37%) Homeowner's exemption	$665,000 Land $185,000 Building $480,000
2022	$8,706.00

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

Flood

FEMA maps place 1900 Mount Hamilton Dr 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 1900 Mount Hamilton Dr 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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