116 Costanza Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 116 Costanza Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,799 sqft · built 1988
Lot Size	0.298 acres (13,000 sqft)
Owner	Company Name on Record
Last Sale	$595,000 (Jan 2003)
Tax Bill	$11,830 (2025)
Deeds & Mortgages	Jan 2017 Mortgage Dec 2021 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`155-551-011-2`

Property Details

APN / Parcel Number

Primary APN	`155-551-011-2`
Alternative APN	`155-551-011`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,799 sqft Living Area
1st Floor Area	1,458 sqft
2nd Floor Area	1,341 sqft

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Lot Area	13,000 sqft (0.298 acres)
Garage Type	Attached
Garage Area	754 sqft
Parking Spaces	3 Parking Spaces

Location & Zoning

Street Address	116 COSTANZA DR
City	MARTINEZ
State	CA
Zip	94553-6600
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6758 L30
Legal Subdivision	SUBDIVISION 6758
Legal Tract	6758
Legal Lot Number	30
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3002
Census Tract	321102

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	116 COSTANZA DR, MARTINEZ, CA 94553-6600
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 9, 2017	Deed of Trust, Mortgage · Conventional Mortgage WESTCOAST MORTGAGE GROUP & REALTY CO
Dec 23, 2021	Intrafamily Transfer, Transfer AMROCK LLC
Dec 23, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC
Dec 24, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 30, 2003 · Amount on Record
Deed Sale	Jan 30, 2003 · Amount on Record
Prior Sale	Nov 15, 1995 · Amount on Record
Deed Document Number	200345270
Last Transfer Date	Jun 10, 2021
Transfer Doc	0000344995
Record Updated	Sep 20, 2026

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	116 COSTANZA DR, MARTINEZ, CA 94553-6600
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000004583
Date	Jan 9, 2017
Instrument	2017-004583

Lender

Name	WESTCOAST MORTGAGE GROUP & REALTY CO
Type	Mortgage Company
Address	SACRAMENTO, CA 95818

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Feb 1, 2032

December 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 23, 2021
Property Address	116 COSTANZA DR, MARTINEZ, CA 94553-6600
Document Number	0000344995
Map Reference	MB 305 PG 13
Instrument Date	Jun 10, 2021
Instrument	2021-344995
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	AMROCK LLC

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	Family Trust
Address	116 COSTANZA DR, MARTINEZ, CA 94553-6600

December 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 23, 2021
Property Address	116 COSTANZA DR, MARTINEZ, CA 94553-6600
Document Number	0000344993
Map Reference	MB 305 PG 13
Instrument Date	Jun 10, 2021
Instrument	2021-344993
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	AMROCK INC, AMROCK LLC

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	Joint Tenants
Address	116 COSTANZA DR, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000344994
Date	Dec 23, 2021
Instrument	2021-344994

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	175 Months
Due	Jul 1, 2036

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 24, 2018
Property Address	116 COSTANZA DR, MARTINEZ, CA 94553-6600
Document Number	0000204913
Instrument Date	Dec 4, 2018
Instrument	204913
Transaction Type	Transfer
Record Updated	Jan 4, 2019

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	116 COSTANZA DR MARTINEZ CA 945536600, MARTINEZ, CA 94553-6600

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$951,482 (+2%) Land $354,538 Building $596,944
2025	$11,830.00 (+6.51%) Homeowner's exemption	$932,827 (+4.04%) Land $347,587 Building $585,240
2023	$11,107.00 (+1.7%) Homeowner's exemption	$896,606 Land $334,091 Building $562,515
2022	$10,921.00

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

Flood

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
Nearby Flood Claims	2 (1982–1995)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows

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

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

Wildfire Risk	Moderate above 51% of the US · lower than 70% of California
Wildfire Likelihood	0.1% 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	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) 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 329 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 Fixed Wireless · DSL	100 / 20

May also be available: Astound Broadband, Verizon.

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