909 Tierney Pl, Martinez, CA 94553 Property Records

Contra Costa County property record for 909 Tierney Pl, Martinez, CA 94553

Property Summary

Property Type	Condominium
Details	4 bd · 3.5 ba · 1,874 sqft · built 2016
Lot Size	0.019 acres (840 sqft)
Owner	2 Individual Names on File
Last Sale	$774,000 (Apr 2024)
Tax Bill	$9,959 (2025)
Deeds & Mortgages	Apr 2024 Sale & Mortgage Oct 2019 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`161-590-041`

Property Details

APN / Parcel Number

Primary APN	`161-590-041`
Alternative APN	`161-590-041-0`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,874 sqft Living Area
1st Floor Area	742 sqft
2nd Floor Area	811 sqft
Basement Area	321 sqft

Exterior

Year Built	Built 2016
Effective Year Built	Effective 2017
Architectural Style	Condo/Apartment
Lot Area	840 sqft (0.019 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	909 TIERNEY PL
City	MARTINEZ
State	CA
Zip	94553-4440
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	T9025 L1 B15 U41
Legal Subdivision	VILLAGE/ARNOLD SUB 9025
Legal Tract	9025
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	4
Census Block	4014
Census Tract	320004

Owner

909 Tierney Pl, a condominium, is owned and occupied by two individuals who bought it in April 2024.

Source: Contra Costa County records, as of July 14, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	909 TIERNEY PL, MARTINEZ, CA 94553-4440
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 12, 2024	Grant Deed, Transfer · Conventional Mortgage BMO BANK NA
Oct 21, 2019	Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK
Apr 20, 2018	Deed of Trust, Mortgage · ARM FREMONT BANK
Feb 22, 2018	Grant Deed, Transfer OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 12, 2024 · Amount on File
Deed Sale	Apr 12, 2024 · Amount on File
Prior Sale	Feb 22, 2018 · Amount on File
Deed Document Number	202433988
Record Updated	Sep 20, 2026

April 2024: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 12, 2024
Property Address	909 TIERNEY PL, MARTINEZ, CA 94553-4440
Document Number	0000033988
Map Reference	MB 521 PG 29-32
Instrument Date	Apr 3, 2024
Instrument	2024-033988
Transaction Type	Transfer
Record Updated	Apr 24, 2024
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
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	1375 SYCAMORE AVE APT 469, 469, HERCULES, CA 94547-5554

Mortgage

Document Number	0000033989
Date	Apr 12, 2024
Instrument	2024-033989

Lender

Name	BMO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2054

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	909 TIERNEY PL, MARTINEZ, CA 94553-4440
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000178792
Date	Oct 21, 2019
Instrument	2019-178792

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	4.25%
Type Change Date	Nov 1, 2024
Change Frequency	Annually
Min Rate At Change	3.25%
Max Rate At Change	6.25%
Index	1-Year LIBOR
Max Rate	9.25%

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	909 TIERNEY PL, MARTINEZ, CA 94553-4440
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000061480
Date	Apr 20, 2018
Instrument	2018-061480

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	May 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	5%
Type Change Date	May 1, 2023
Change Frequency	Annually
Min Rate At Change	3.25%
Max Rate At Change	10%
Index	1-Year LIBOR
Max Rate	10%

February 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 22, 2018
Property Address	909 TIERNEY PL, MARTINEZ, CA 94553-4440
Document Number	0000027471
Instrument Date	Feb 16, 2018
Instrument	27471
Transaction Type	Transfer
Record Updated	Mar 1, 2018
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Tax	$660.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	429 NOB HILL DR WALNUT CREEK CA 945966713, WALNUT CREEK, CA 94596-6713

Tax Assessment & Valuation

The 2025 property tax bill for 909 Tierney Pl was $9,959 with a homeowner's exemption.

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	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$710,000 (-10.07%) Land $311,887 Building $398,113
2025	$9,959.00 Homeowner's exemption	$789,480 Land $346,800 Building $442,680
2023	$8,450.00 (+1.62%)	$656,184 Land $317,155 Building $339,029
2022	$8,315.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 909 Tierney Pl in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 909 Tierney Pl is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 98% of the US · lower than 98.4% 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 334 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Astound Broadband.

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