423 Allen St, Martinez, CA 94553 Property Records

Contra Costa County property record for 423 Allen St, Martinez, CA 94553

Property Summary

Property Type	Duplex
Details	3 bd · 2 ba · 1,537 sqft · built 1908
Lot Size	0.115 acres (5,000 sqft)
Owner	Individual Name on Record
Last Sale	$770,000 (Dec 2024)
Tax Bill	$10,608 (2025)
Deeds & Mortgages	Aug 2023 Transfer Aug 2023 Transfer + 4 more
Flood Zone	Zone AO (high risk)
APN	`372-282-009-3`

Property Details

APN / Parcel Number

Primary APN	`372-282-009-3`
Alternative APN	`372-282-009`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,537 sqft Living Area
1st Floor Area	1,537 sqft

Exterior

Year Built	Built 1908
Effective Year Built	Effective 1980
Architectural Style	Duplex Single
Lot Area	5,000 sqft (0.115 acres)

Location & Zoning

Street Address	423 ALLEN ST
City	MARTINEZ
State	CA
Zip	94553-2653
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R1
Legal Description	ORIGINAL SURVEY LOT 7 BLK 78
Legal Subdivision	TOWN MARTINEZ
Legal Block	78
Legal Lot Number	7
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1006
Census Tract	318000

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	Individual Name on Record
Mailing Address	423 ALLEN ST, MARTINEZ, CA 94553-2653
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Man

Deeds, Mortgages & Sale History

Date	Document
Aug 8, 2023	Intrafamily Transfer, Transfer
Aug 8, 2023	Gift Deed, Transfer
Mar 27, 2018	Deed of Trust, Mortgage · ARM BOFI FEDERAL BANK
Mar 3, 2021	Grant Deed, Transfer · Conventional Mortgage PINNACLE FUNDING CORP
Dec 10, 2020	Deed of Trust, Mortgage · Conventional Mortgage DAVID SILVA
Jan 26, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 6, 2024 · Amount on Record
Deed Sale	Dec 6, 2024 · Amount on Record
Prior Sale	Mar 3, 2021 · Amount on Record
Deed Document Number	2024131124
Prior Transfer Date	Aug 3, 2023
Prior Transfer Doc	0000075447
Record Updated	Sep 20, 2026

August 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 8, 2023
Property Address	423 ALLEN ST, MARTINEZ, CA 94553-2653
Document Number	0000075447
Instrument Date	Aug 3, 2023
Instrument	2023-075447
Transaction Type	Transfer
Record Updated	Aug 17, 2023

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	2290 FRANKLIN CANYON RD, MARTINEZ, CA 94553-9609

August 2023: Gift Deed, Transfer

Document Type	Gift Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 8, 2023
Property Address	423 ALLEN ST, MARTINEZ, CA 94553-2653
Document Number	0000075446
Instrument Date	Aug 3, 2023
Instrument	2023-075446
Transaction Type	Transfer
Record Updated	Aug 17, 2023

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	2290 FRANKLIN CANYON RD, MARTINEZ, CA 94553-9609

March 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	423 ALLEN ST, MARTINEZ, CA 94553-2653
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000046362
Date	Mar 27, 2018
Instrument	2018-046362

Lender

Name	BOFI FEDERAL BANK
Type	Bank
Address	SAN DIEGO, CA 92122

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	7.25%
Type Change Date	Apr 1, 2023
Change Frequency	Annually
Min Rate At Change	7.25%
Max Rate At Change	13.2%
Index	1-Year LIBOR
Max Rate	13.2%

March 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 3, 2021
Property Address	423 ALLEN ST, MARTINEZ, CA 94553-2653
Document Number	0000064762
Instrument Date	Feb 26, 2021
Instrument	2021-064762
Transaction Type	Transfer
Record Updated	Aug 17, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	2290 FRANKLIN CANYON RD, MARTINEZ, CA 94553-9609

Mortgage

Document Number	0000064763
Date	Mar 3, 2021
Instrument	2021-064763

Lender

Name	PINNACLE FUNDING CORP
Type	Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2051

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	423 ALLEN ST, MARTINEZ, CA 94553-2653
Document Number	0000318848
Instrument Date	Dec 10, 2020
Transaction Type	Mortgage
Record Updated	Dec 30, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 1518 MARTINEZ CA 945530518, MARTINEZ, CA 94553-0518

Mortgage

Document Number	0000318848
Date	Dec 18, 2020
Instrument	318848

Lender

Name	DAVID SILVA
Address	1734 ALHAMBRA AVE, MARTINEZ, CA 94553-2502

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

January 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 26, 2018
Property Address	423 ALLEN ST, MARTINEZ, CA 94553-2653
Document Number	0000012545
Instrument Date	Jan 19, 2018
Instrument	12545
Transaction Type	Transfer
Record Updated	Feb 2, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4530 GROTHMAN LN MARTINEZ CA 945534412, MARTINEZ, CA 94553-4412

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		$785,400 (+2%) Land $581,400 Building $204,000
2025	$10,608.00 (+6.99%)	$770,000 (+5.73%) Land $570,000 Building $200,000
2023	$9,915.00 (+0.82%)	$728,280 Land $520,200 Building $208,080
2022	$9,834.00

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 AO high risk · sheet flow 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 23 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	23 in force
Nearby Flood Claims	12 (1980–2022)
Claims Outside the SFHA	3 of 12
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 5 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 2 claims

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 54% of the US · lower than 68% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within 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 MARTINEZ serves 31,015 people · EPA ID CA0710006
Water Source	Purchased surface water from CONTRA COSTA WATER DISTRICT
Last State Inspection	Oct 2025
Lead	Under 1 ppb (2023–2025) 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 358 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Fiber · Cable in parts of the area	1,500 / 1,500
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Unwired.

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