3143 Mars Ct, Lafayette, CA 94549 Property Records

Contra Costa County property record for 3143 Mars Ct, Lafayette, CA 94549

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,345 sqft · built 1956
Lot Size	0.271 acres (11,800 sqft)
Owner	2 Company Names on File
Last Sale	$970,000 (Jul 2015)
Tax Bill	$10,248 (2025)
Deeds & Mortgages	Jun 2023 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`185-062-003-8`

Property Details

APN / Parcel Number

Primary APN	`185-062-003-8`
Alternative APN	`185-062-003`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,345 sqft Living Area
1st Floor Area	2,345 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1970
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	11,800 sqft (0.271 acres)
Garage Type	Attached
Garage Area	495 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	3143 MARS CT
City	LAFAYETTE
State	CA
Zip	94549-4114
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 2387 LOT 9
Legal Subdivision	2387 BUCHAN ESTATES
Legal Tract	2387
Legal Lot Number	9
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3006
Census Tract	341000

Owner

Source: Contra Costa County records · APN 185-062-003-8

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address	3143 MARS CT, LAFAYETTE, CA 94549-4114
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 15, 2015 · Amount on Record
Deed Sale	Jul 15, 2015 · Amount on Record
Deed Document Number	2015146725
Prior Transfer Date	Sep 14, 2013
Prior Transfer Doc	0000231669
Record Updated	Sep 20, 2026

June 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3143 MARS CT, LAFAYETTE, CA 94549-4114
Transaction Type	Mortgage
Record Updated	Jun 26, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3143 MARS CT, LAFAYETTE, CA 94549-4114

Mortgage

Document Number	0000057033
Date	Jun 15, 2023
Instrument	2023-057033

Lender

Name	AIM CU
Type	Credit Union
Address	CHICAGO, IL 60666

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jun 14, 2053

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Lafayette City
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Lafayette Elementary School District (KG - 08)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2026		$768,751 (+2%) Land $348,356 Building $420,395
2025	$10,248.00 (+3.69%) Homeowner's exemption	$753,678 (+4.04%) Land $341,526 Building $412,152
2023	$9,883.00 (+1.58%) Homeowner's exemption	$724,414 Land $328,265 Building $396,149
2022	$9,729.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.03% annual chance
Exposure	Direct burnable vegetation at the parcel

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Etheric Communications, LLC., Radiate Holdings.

Based on FCC filings for 345 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	EAST BAY MUD serves 1,468,000 people
Water Source	Surface water
Last State Inspection	Dec 2021
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.