521 Arch St, Martinez, CA 94553 Property Records

Contra Costa County property record for 521 Arch St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,315 sqft · built 1926
Lot Size	0.134 acres (5,850 sqft)
Owner	2 Individual Names on Record
Last Sale	$800,000 (Jul 2021)
Tax Bill	$9,186 (2025)
Deeds & Mortgages	Jul 2021 Sale & Mortgage Jun 2020 Mortgage
Flood Zone	Zone AO (high risk)
APN	`372-211-001-6`

Property Details

APN / Parcel Number

Primary APN	`372-211-001-6`
Alternative APN	`372-211-001`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,315 sqft Living Area
1st Floor Area	1,315 sqft

Exterior

Year Built	Built 1926
Effective Year Built	Effective 1965
Lot Area	5,850 sqft (0.134 acres)
Garage Type	Attached
Garage Area	198 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	521 ARCH ST
City	MARTINEZ
State	CA
Zip	94553-3240
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	HIGGINS TRACT 10
Legal Subdivision	HIGGINS
Legal Tract	10
Legal Lot Number	10
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3003
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	2 Individual Names on Record
Mailing Address	521 ARCH ST, MARTINEZ, CA 94553-3240
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jul 16, 2021	Grant Deed, Transfer · VA Mortgage PENNYMAC LOAN SERVICES LLC
Jun 2, 2020	Deed of Trust, Mortgage · VA Mortgage LAKEVIEW LN SERVICING

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 16, 2021 · Amount on Record
Deed Sale	Jul 16, 2021 · Amount on Record
Prior Sale	Aug 2, 2016 · Amount on Record
Deed Document Number	2021201794
Prior Transfer Date	Jan 12, 2016
Prior Transfer Doc	0000007662
Record Updated	Oct 29, 2026

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 16, 2021
Property Address	521 ARCH ST, MARTINEZ, CA 94553-3240
Document Number	0000201794
Map Reference	MB 1 PG 17
Instrument Date	Jul 7, 2021
Instrument	2021-201794
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	PLACER 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
Relationship	Joint Tenants
Address	521 ARCH ST, MARTINEZ, CA 94553-3240

Mortgage

Document Number	0000201795
Date	Jul 16, 2021
Instrument	2021-201795

Lender

Name	PENNYMAC LOAN SERVICES LLC
Type	Mortgage Company

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2051

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	521 ARCH ST, MARTINEZ, CA 94553-3240
Document Number	0000114626
Instrument Date	Jun 2, 2020
Transaction Type	Mortgage
Record Updated	Jun 23, 2020
Title Company	TITLE 365

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	521 ARCH ST MARTINEZ CA 945533240, MARTINEZ, CA 94553-3240

Mortgage

Document Number	0000114626
Date	Jun 15, 2020
Instrument	114626

Lender

Name	LAKEVIEW LN SERVICING
Type	Funding / Finance Company
Address	CORAL GABLES, FL 33146

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 14, 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
Municipality	Martinez City
Unified School District	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$683,000 (-2.43%) Land $512,000 Building $171,000
2025	$9,186.00 (+6.88%)	$700,000 (+4.48%) Land $525,001 Building $174,999
2023	$8,595.00 (-14.9%)	$670,000 Land $502,000 Building $168,000
2022	$10,100.00

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 109 policies
Nearby Flood Policies	109 in force
Nearby Flood Claims	32 (1980–2019)
Claims Outside the SFHA	3 of 32
Most Recent Claim	Feb 2019
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 12 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 6 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 43% of the US · lower than 74% of California
Wildfire Likelihood	0.08% annual chance
Exposure	Direct burnable vegetation

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.

Nearby Properties on Arch St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures