4100 Irene Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 4100 Irene Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 959 sqft · built 1953
Lot Size	0.115 acres (5,000 sqft)
Owner	Individual Name on Record
Last Sale	$595,000 (Aug 2026)
Tax Bill	$7,505 (2025)
Deeds & Mortgages	Aug 2026 Sale & Mortgage May 2022 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`380-112-012-6`

Property Details

APN / Parcel Number

Primary APN	`380-112-012-6`
Alternative APN	`380-112-012`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	959 sqft Living Area
1st Floor Area	959 sqft

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1957
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Attached
Garage Area	246 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	4100 IRENE DR
City	MARTINEZ
State	CA
Zip	94553-1425
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	VINE HILL MANOR LOT 88
Legal Subdivision	VINE HILL MANOR
Legal Lot Number	88
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1024
Census Tract	320001

Owner

Source: Contra Costa County records, as of August 24, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	4100 IRENE DR, MARTINEZ, CA 94553-1425
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried Woman

Deeds, Mortgages & Sale History

Date	Document
Aug 17, 2026	Grant Deed, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE
May 23, 2022	Grant Deed, Transfer · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP
Oct 27, 2020	Intrafamily Transfer, Transfer · VA Mortgage UNITED WHOLESALE MORTGAGE
Dec 18, 2019	Deed of Trust, Mortgage · VA Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 17, 2026 · Amount on Record
Deed Sale	Aug 17, 2026 · Amount on Record
Prior Sale	May 23, 2022 · Amount on Record
Deed Document Number	202686281
Prior Transfer Date	Oct 20, 2020
Prior Transfer Doc	0000251455
Record Updated	Oct 29, 2026

August 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 17, 2026
Property Address	4100 IRENE DR, MARTINEZ, CA 94553-1425
Document Number	0000086281
Instrument Date	Aug 14, 2026
Instrument	202686281
Transaction Type	Transfer
Record Updated	Aug 24, 2026
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$66,104.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4100 IRENE DR, MARTINEZ, CA 94553-1425

Mortgage

Document Number	0000086282,
Date	Aug 17, 2026
Instrument	202686282

Lender

Name	CROSSCOUNTRY MORTGAGE

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2056

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

May 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 23, 2022
Property Address	4100 IRENE DR, MARTINEZ, CA 94553-1425
Document Number	0000087537
Map Reference	VOL 50 PG 14
Instrument Date	May 19, 2022
Instrument	2022-087537
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV 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
Address	4100 IRENE DR, MARTINEZ, CA 94553-1425

Mortgage

Document Number	0000087538
Date	May 23, 2022
Instrument	2022-087538

Lender

Name	AMERICAN PACIFIC MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2052

October 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 27, 2020
Property Address	4100 IRENE DR, MARTINEZ, CA 94553-1425
Document Number	0000251455
Map Reference	MB 50 PG 14
Instrument Date	Oct 20, 2020
Instrument	2020-251455
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	TICOR TITLE COMPANY OF CA

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	4100 IRENE DR, MARTINEZ, CA 94553-1425

Mortgage

Document Number	0000251456
Date	Oct 27, 2020
Instrument	2020-251456

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2050

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4100 IRENE DR, MARTINEZ, CA 94553-1425
Document Number	0000004259
Instrument Date	Dec 18, 2019
Transaction Type	Mortgage
Record Updated	Jan 23, 2020
Title Company	STEWART TITLE, STEWART TITLE GUARANTY CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4100 IRENE DR MARTINEZ CA 945531425, MARTINEZ, CA 94553-1425

Mortgage

Document Number	0000004259
Date	Jan 9, 2020
Instrument	4259

Lender

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

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 8, 2050

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$550,000 (-) Land $409,746 Building $140,254
2025	$7,505.00 (+6.23%)	$550,000 (+3%) Land $409,746 Building $140,254
2023	$7,065.00 (+41.41%)	$534,000 Land $398,000 Building $136,000
2022	$4,996.00

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
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1998 · rainfall accumulation

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	Low lower than 99.8% of the US · lower than 99.8% of California
Wildfire Likelihood	Under 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	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 497 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, 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 Fixed Wireless	100 / 20

May also be available: Astound Broadband.

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