10341 Mast Ave, Westminster, CA 92683 Property Records

Orange County property record for 10341 Mast Ave, Westminster, CA 92683

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,204 sqft · built 1960
Lot Size	0.138 acres (6,000 sqft)
Owner	Company Name on File
Last Sale	$965,000 (Oct 2026)
Tax Bill	$8,446 (2025)
Deeds & Mortgages	Oct 2026 Sale & Construction Loan Jul 2017 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`099-561-07`

Property Details

APN / Parcel Number

Primary APN	`099-561-07`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,204 sqft Living Area
1st Floor Area	1,204 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Lot Area	6,000 sqft (0.138 acres)
Garage Area	438 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	10341 MAST AVE
City	WESTMINSTER
State	CA
Zip	92683-5811
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	N TR 3003 BLK LOT 16
Legal Subdivision	TR 3003
Legal Tract	3003
Legal Lot Number	16
Jurisdiction	ORANGE CA
Township / Civil Division	NORTH COAST
Census Block Group	4
Census Block	4000
Census Tract	88904

Owner

10341 Mast Ave is owned by a company that bought it in October 2026.

Source: Orange County records, as of October 21, 2026

Owner of Record	Company Name on File
Mailing Address	10341 MAST AVE, WESTMINSTER, CA 92683-5811
Owner Type	Company
Vesting	Limited Liability Partnership

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

Deeds, Mortgages & Sale History

Date	Document
Oct 9, 2026	Grant Deed, Transfer · Construction Mortgage TIER 2 FUNDING
Jul 25, 2017	Grant Deed, Transfer · Conventional Mortgage HOMESTREET BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 9, 2026 · Amount on File
Deed Sale	Oct 9, 2026 · Amount on File
Prior Sale	Jul 25, 2017 · Amount on File
Deed Document Number	2026284628
Prior Transfer Date	Jul 31, 1996
Prior Transfer Doc	0000441134
Record Updated	Oct 29, 2026

October 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ORANGE CA
Recording Date	Oct 9, 2026
Property Address	10341 MAST AVE, WESTMINSTER, CA 92683-5811
Document Number	0000284628
Instrument Date	Sep 24, 2026
Instrument	2026284628
Transaction Type	Transfer
Record Updated	Oct 20, 2026
Title Company	PROVIDENT TITLE, PROVIDENT TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$107,211.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership
Investor	Possibly a Property Investor

Mortgage

Document Number	0000284629,
Date	Oct 9, 2026
Instrument	2026284629

Lender

Name	TIER 2 FUNDING

Agreement

Type	Construction Mortgage
Amount	Amount on Record
Term	12 Months
Due	Nov 1, 2027

Interest

Max Rate	-1%

July 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ORANGE CA
Recording Date	Jul 25, 2017
Property Address	10341 MAST AVE, WESTMINSTER, CA 92683-5811
Document Number	0000305966
Map Reference	MB 129 PG 21-26
Instrument Date	Jul 3, 2017
Instrument	2017000305966
Transaction Type	Transfer
Record Updated	Sep 14, 2021
Title Company	CHICAGO 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
Address	10341 MAST AVE, WESTMINSTER, CA 92683-5811

Mortgage

Document Number	0000305967
Date	Jul 25, 2017
Instrument	2017000305967

Lender

Name	HOMESTREET BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 10341 Mast Ave was $8,446.

Source: Orange County assessment roll, as of August 4, 2026

Property Jurisdictions

Type	Name
State	California
County	Orange County
Municipality	Westminster City
Unified School District	Garden Grove Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$719,561 (+2%) Land $653,432 Building $66,129
2025	$8,446.00	$705,452 Land $640,619 Building $64,833
2023	$8,127.00 (+2.2%)	$678,059 Land $615,743 Building $62,316
2022	$7,952.00

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

Flood

FEMA maps place 10341 Mast Ave in Zone X, an area of moderate flood risk, though there have been 3 flood claims nearby since 1995.

Source: FEMA National Flood Hazard Layer, effective September 27, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	3 (1995–1998)
Most Recent Claim	Sep 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

Wildfire risk around 10341 Mast Ave 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 99.1% of the US · lower than 99.2% 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	CITY OF WESTMINSTER serves 93,591 people · EPA ID CA3010064
Water Source	Purchased surface water from several systems
Last State Inspection	May 2025
Lead	5 ppb (2022–2024) 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 789 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	1,000 / 75
Cosmo Network Solutions Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

Nearby Properties on Mast Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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