122 Costanza Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 122 Costanza Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 3,311 sqft · built 1988
Lot Size	0.503 acres (21,896 sqft)
Owner	2 Individual Names on Record
Tax Bill	$8,891 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Aug 2022 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`155-551-006-2`

Property Details

APN / Parcel Number

Primary APN	`155-551-006-2`
Alternative APN	`155-551-006`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,311 sqft Living Area
1st Floor Area	1,970 sqft
2nd Floor Area	1,341 sqft

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Lot Area	21,896 sqft (0.503 acres)
Garage Type	Attached
Garage Area	652 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	122 COSTANZA DR
City	MARTINEZ
State	CA
Zip	94553-6600
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6758 L25
Legal Subdivision	MAP 6758
Legal Tract	6758
Legal Lot Number	25
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	2 Individual Names on Record
Mailing Address	122 COSTANZA DR, MARTINEZ, CA 94553-6600
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Aug 22, 2022	Deed of Trust, Mortgage · Line of Credit PNC BANK NA
Apr 15, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
May 14, 2018	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Nov 10, 2001
Transfer Doc	0000055029
Record Updated	Sep 20, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	122 COSTANZA DR, MARTINEZ, CA 94553-6600
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMROCK TITLE CALIFORNIA

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	122 COSTANZA DR, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000109773
Date	Apr 13, 2021
Instrument	2021-109773

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	122 COSTANZA DR, MARTINEZ, CA 94553-6600
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	122 COSTANZA DR, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000129327
Date	Aug 22, 2022
Instrument	2022-129327

Lender

Name	PNC BANK NA
Type	Bank
Address	DAYTON, OH 45401

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	479 Months
Due	Jul 15, 2062

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	122 COSTANZA DR, MARTINEZ, CA 94553-6600
Document Number	0000077068
Instrument Date	Apr 15, 2020
Transaction Type	Mortgage
Record Updated	May 21, 2020
Title Company	AMROCK TITLE CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	122 COSTANZA DR MARTINEZ CA 945536600, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000077068
Date	Apr 23, 2020
Instrument	77068

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 22, 2050

May 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	122 COSTANZA DR, MARTINEZ, CA 94553-6600
Document Number	0000080069
Instrument Date	May 14, 2018
Transaction Type	Mortgage
Record Updated	Jun 4, 2018
Title Company	TITLE SOURCE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	122 COSTANZA DR MARTINEZ CA 945536600, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000080069
Date	May 22, 2018
Instrument	80069

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 21, 2048

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		$694,192 (+2%) Land $195,221 Building $498,971
2025	$8,891.00 (+6.49%) Homeowner's exemption	$680,582 (+4.04%) Land $191,394 Building $489,188
2023	$8,349.00 (+1.68%) Homeowner's exemption	$654,157 Land $183,963 Building $470,194
2022	$8,211.00

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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