Orange County property record for 10331 Mast Ave, Westminster, CA 92683
| 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 | $567,000 (Aug 2016) |
| Tax Bill | $7,926 (2025) |
| Deeds & Mortgages | Dec 2023 Transfer May 2017 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 099-561-08 |
| Primary APN | 099-561-08 |
|---|
| 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 |
| 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 |
| Heating System | HVAC |
|---|
| Street Address | 10331 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 17 |
| Legal Subdivision | TRACT 3003 |
| Legal Tract | 3003 |
| Legal Lot Number | 17 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | NORTH COAST |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 88904 |
Source: Orange County records, as of August 4, 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 | 6766 SICILY CIR, HUNTINGTON BEACH, CA 92648-2142 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 27, 2023 | Intrafamily Transfer, Transfer |
| May 2, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 9, 2016 · Amount on Record |
| Deed Sale | Aug 9, 2016 · Amount on Record |
| Deed Document Number | 2016368226 |
| Last Transfer Date | Dec 19, 2023 |
| Transfer Doc | 0000317196 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ORANGE CA |
| Recording Date | Dec 27, 2023 |
| Property Address | 10331 MAST AVE, WESTMINSTER, CA 92683-5811 |
| Document Number | 0000317196 |
| Map Reference | MB 129 PG 21-26 |
| Instrument Date | Dec 19, 2023 |
| Instrument | 2023000317196 |
| Transaction Type | Transfer |
| Record Updated | Jan 10, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 6766 SICILY CIR, HUNTINGTON BEACH, CA 92648-2142 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ORANGE CA |
| Recording Date | May 2, 2017 |
| Property Address | 10331 MAST AVE, WESTMINSTER, CA 92683-5811 |
| Document Number | 0000177091 |
| Instrument Date | Apr 27, 2017 |
| Instrument | 177091 |
| Transaction Type | Transfer |
| Record Updated | May 9, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 6766 SICILY CIR HUNTINGTON BEACH CA 926482142, HUNTINGTON BEACH, CA 92648-2142 |
Source: Orange County assessment roll, as of August 4, 2026
| Type | Name |
|---|---|
| State | California |
| County | Orange County |
| Municipality | Westminster City |
| Unified School District | Garden Grove Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $671,207 (+2%) Land $600,686 Building $70,521 | |
| 2025 | $7,926.00 (+1.99%) | $658,047 (+4.04%) Land $588,908 Building $69,139 |
| 2024 | $7,771.00 (+1.9%) | |
| 2023 | $7,626.00 (+2.2%) | $632,496 Land $566,041 Building $66,455 |
| 2022 | $7,462.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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.
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 |
| 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.
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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