10342 Mast Ave, Westminster, CA 92683 Property Records

Orange County property record for 10342 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 Record
Last Sale	$980,000 (May 2026)
Tax Bill	$1,304 (2025)
Deeds & Mortgages	May 2026 Sale & Construction Loan May 2026 Transfer + 1 more
Flood Zone	Zone X (moderate risk)
APN	`099-562-06`

Property Details

APN / Parcel Number

Primary APN	`099-562-06`

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	430 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	10342 MAST AVE
City	WESTMINSTER
State	CA
Zip	92683-5812
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	N TR 3003 BLK LOT 32
Legal Subdivision	TR 3003
Legal Tract	3003
Legal Lot Number	32
Jurisdiction	ORANGE CA
Township / Civil Division	NORTH COAST
Census Block Group	4
Census Block	4003
Census Tract	88904

Owner

Source: Orange County records, as of October 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	6431 NAVAJO RD, WESTMINSTER, CA 92683-2065
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
May 18, 2026	Grant Deed, Transfer · Construction Mortgage ROCKET CLOSE AND TITLE INC
May 18, 2026	Affidavit of Death of Trustee, Transfer
May 18, 2026	Affidavit of Death of Trustee, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 18, 2026 · Amount on Record
Deed Sale	May 18, 2026 · Amount on Record
Deed Document Number	2026143017
Prior Transfer Date	May 12, 2026
Prior Transfer Doc	0000143018
Record Updated	Oct 29, 2026

May 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ORANGE CA
Recording Date	May 18, 2026
Property Address	10342 MAST AVE, WESTMINSTER, CA 92683-5812
Document Number	0000143017
Instrument Date	May 13, 2026
Instrument	2026.143017
Transaction Type	Transfer
Record Updated	May 28, 2026
Title Company	ROCKET CLOSE AND TITLE INC

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$108,878.00
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
Address	6431 NAVAJO RD, WESTMINSTER, CA 92683-2065
Investor	Possibly a Property Investor

Mortgage

Document Number	0000143020,
Date	May 18, 2026
Instrument	2026..143020

Lender

Agreement

Type	Construction Mortgage
Amount	Amount Recorded
Term	12 Months
Due	Jun 1, 2027

Interest

Rate	6.46%
Max Rate	-1%

May 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	ORANGE CA
Recording Date	May 18, 2026
Property Address	10342 MAST AVE, WESTMINSTER, CA 92683-5812
Document Number	0000143019
Instrument Date	May 12, 2026
Instrument	2026143019
Transaction Type	Transfer
Record Updated	Aug 29, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	713 HIDDEN ACRES RD, HEALDSBURG, CA 95448-4632

May 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	ORANGE CA
Recording Date	May 18, 2026
Property Address	10342 MAST AVE, WESTMINSTER, CA 92683-5812
Document Number	0000143018
Instrument Date	May 12, 2026
Instrument	2026143018
Transaction Type	Transfer
Record Updated	Aug 29, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	713 HIDDEN ACRES RD, HEALDSBURG, CA 95448-4632

Tax Assessment & Valuation

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		$61,684 (+2%) Land $20,965 Building $40,719
2025	$1,304.00 (+5.5%) Homeowner's exemption	$60,475 (+4.04%) Land $20,554 Building $39,921
2023	$1,236.00 (+2.74%) Homeowner's exemption	$58,128 Land $19,756 Building $38,372
2022	$1,203.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

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

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.

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