4145 Florence Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 4145 Florence Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 1,619 sqft · built 1960
Lot Size	0.164 acres (7,150 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,150,000 (Mar 2022)
Tax Bill	$15,287 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Mar 2022 Sale & Mortgage
Flood Zone	Zone AO (high risk)
APN	`370-050-015-4`

Property Details

APN / Parcel Number

Primary APN	`370-050-015-4`
Alternative APN	`370-050-015`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,619 sqft Living Area
1st Floor Area	1,619 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 2000
Lot Area	7,150 sqft (0.164 acres)
Garage Type	Attached
Garage Area	471 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	4145 FLORENCE DR
City	MARTINEZ
State	CA
Zip	94553-3811
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R160
Legal Description	TRACT 2443 15
Legal Subdivision	TURTLE GLEN PARK
Legal Tract	2443
Legal Lot Number	15
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3024
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	4145 FLORENCE DR, MARTINEZ, CA 94553-3811
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Jul 20, 2021	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Mar 15, 2022	Grant Deed, Transfer · VA Mortgage MORTGAGE RESEARCH CENTER LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 15, 2022 · Amount on Record
Deed Sale	Mar 15, 2022 · Amount on Record
Prior Sale	Sep 25, 2012 · Amount on Record
Deed Document Number	202245642
Prior Transfer Date	Jul 7, 2014
Prior Transfer Doc	0000119680
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4145 FLORENCE DR, MARTINEZ, CA 94553-3811
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4145 FLORENCE DR, MARTINEZ, CA 94553-3811

Mortgage

Document Number	0000204323
Date	Jul 20, 2021
Instrument	2021-204323

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

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

March 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 15, 2022
Property Address	4145 FLORENCE DR, MARTINEZ, CA 94553-3811
Document Number	0000045642
Map Reference	MB 74 PG 9
Instrument Date	Feb 22, 2022
Instrument	2022-045642
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO 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	Community Property with Right of Survivorship
Address	4145 FLORENCE DR, MARTINEZ, CA 94553-3811

Mortgage

Document Number	0000045643
Date	Mar 15, 2022
Instrument	2022-045643

Lender

Name	MORTGAGE RESEARCH CENTER LLC
Type	Mortgage Company

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2052

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		$1,244,796 (+2%) Land $562,864 Building $681,932
2025	$15,287.00 (+6.49%)	$1,220,389 (+4.04%) Land $551,828 Building $668,561
2023	$14,356.00 (+170.61%)	$1,173,000 Land $530,400 Building $642,600
2022	$5,305.00

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 64% of the US · lower than 60% of California
Wildfire Likelihood	0.2% 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 212 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
AT&T Fixed Wireless · DSL	100 / 20

May also be available: Astound Broadband, T-Mobile, Unwired, Verizon.

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