10221 E Diatomic Cir, Mesa, AZ 85212 Property Records

Maricopa County property record for 10221 E Diatomic Cir, Mesa, AZ 85212

Property Summary

Property Type	Single Family Home
Details	6 bd · 4 ba · 3,884 sqft · built 2020
Lot Size	0.432 acres (18,828 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,300,000 (Aug 2022)
Tax Bill	$5,429 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Sep 2020 Mortgage + 11 more
Flood Zone	Zone D (undetermined)
APN	`304-97-450`

Property Details

APN / Parcel Number

Primary APN	`304-97-450`
Alternative APN	`304974502`

Interior

Bedrooms	6 Beds
Full Baths	4 Baths
Plumbing Fixtures	13 Plumbing Fixtures
Stories	1 Story
Building Area	3,884 sqft Living Area
Gross Area	4,034 sqft
1st Floor Area	3,884 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2020
Effective Year Built	Effective 2020
Exterior Material	Combination
Construction Type	Frame
Roof Material	Concrete
Lot Area	18,828 sqft (0.432 acres)
Parking Spaces	4 Parking Spaces
Pool Area	450 sqft
Patio Area	150 sqft

Utilities, Heating & Cooling

Cooling System	Refrigeration
Heating System	Forced Air with A/C
Sewer	Municipal

Location & Zoning

Street Address	10221 E DIATOMIC CIR
City	MESA
State	AZ
Zip	85212-8781
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	PC
Legal Description	EASTMARK DEVELOPMENT UNIT 6 SOUTH PARCELS 6-7 AND MCR 1291-23
Legal Range	7E
Legal Township	1S
Legal Section	23
Legal Subdivision	EASTMARK DEVELOPMENT UNIT 6 SOUTH PARCEL
Legal Lot Number	3
Jurisdiction	MARICOPA AZ
Township / Civil Division	PHOENIX
Census Block Group	1
Census Block	1000
Census Tract	422647

Owner

Source: Maricopa County records, as of June 29, 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	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 11, 2021	Deed of Trust, Mortgage · Conventional Mortgage HOMEOWNERS FINANCIAL GROUP USA LLC
Sep 21, 2020	Deed of Trust, Mortgage · Conventional Mortgage HOMEOWNERS FINANCIAL GROUP USA LLC
Oct 14, 2021	Deed of Trust, Mortgage · Conventional Mortgage TRUWEST CU
Aug 22, 2022	Warranty Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Jun 11, 2021	Re-recorded Document · Conventional Mortgage HOMEOWNERS FINANCIAL GROUP USA LLC
Sep 21, 2020	Grant Deed PIONEER TITLE COMPANY, PIONEER TITLE AGENCY
Sep 21, 2020	Correction Deed PIONEER TITLE COMPANY, PIONEER TITLE AGENCY
Apr 20, 2022	Re-recorded Document PEOPLES TITLES INC, PIONEER TITLE AGENCY INC
Apr 18, 2022	Re-recorded Document PEOPLES TITLES INC, PIONEER TITLE AGENCY INC
Jun 26, 2020	Quit Claim Deed, Construction Loan PIONEER TITLE COMPANY, PIONEER TITLE AGENCY
Jun 11, 2021	Re-recorded Document PEOPLES TITLES INC, PIONEER TITLE AGENCY INC
Sep 23, 2019	Grant Deed, Construction Loan FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO NA
Sep 23, 2019	Trustee's Deed, Transfer · Line of Credit INTERNATIONAL BK/COMMERCE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 22, 2022 · Amount on Record
Deed Sale	Aug 22, 2022 · Amount on Record
Prior Sale	Apr 20, 2022 · Amount on Record
Deed Document Number	2022658396
Prior Transfer Date	Jun 1, 2020
Prior Transfer Doc	0000645477
Record Updated	Sep 20, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARICOPA AZ
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Transaction Type	Mortgage
Record Updated	Mar 5, 2024
Title Company	PEOPLES TITLES INC, PIONEER TITLE AGENCY INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Investor	Possibly a Property Investor

Mortgage

Document Number	0000645479
Date	Jun 11, 2021
Instrument	20210645479

Lender

Name	HOMEOWNERS FINANCIAL GROUP USA LLC
Type	Mortgage Company
Address	SCOTTSDALE, AZ 85254

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	349 Months
Due	Jul 1, 2050

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARICOPA AZ
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Transaction Type	Mortgage
Record Updated	May 30, 2023
Title Company	PEOPLES TITLES INC, PIONEER TITLE AGENCY INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781

Mortgage

Document Number	0000882196
Date	Sep 21, 2020
Instrument	20200882196

Lender

Name	HOMEOWNERS FINANCIAL GROUP USA LLC
Type	Mortgage Company
Address	SCOTTSDALE, AZ 85254

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	358 Months
Due	Jul 1, 2050

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARICOPA AZ
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Transaction Type	Mortgage
Record Updated	Nov 9, 2022
Title Company	SECURITY TITLE AGENCY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781

Mortgage

Document Number	0001110615
Date	Oct 14, 2021
Instrument	20211110615

Lender

Name	TRUWEST CU
Type	Credit Union
Address	TEMPE, AZ 85281

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.62%
Adjustable	Adjustable Rate Rider
Type Change Date	Nov 1, 2031
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	4.62%
Index	1-Year CMT
Max Rate	7.62%

August 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MARICOPA AZ
Recording Date	Aug 22, 2022
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000658396
Map Reference	MB 1291 PG 23
Instrument Date	Aug 9, 2022
Instrument	20220658396
Transaction Type	Transfer
Record Updated	Nov 9, 2022
Title Company	AMERICAN TITLE COMPANY, AMERICAN TITLE SVC AGCY LLC

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Verified / From Affidavit
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	10221 E DIATOMIC CIR, 10221, MESA, AZ 85212-8781

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781

Mortgage

Document Number	0000658397
Date	Aug 22, 2022
Instrument	20220658397

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2052

June 2021: Re-recorded Document

Document Type	Re-recorded Document
Jurisdiction	MARICOPA AZ
Recording Date	Jun 11, 2021
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000645478
Map Reference	MB 1291 PG 23
Instrument Date	Jun 3, 2021
Instrument	20210645478
Record Updated	Nov 9, 2022
Title Company	PIONEER TITLE AGENCY INC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name
Address	8058 S PRIEST DR # DR104, 8058, TEMPE, AZ 85284-1020

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Investor	Possibly a Property Investor

Mortgage

Document Number	0000645479
Date	Jun 11, 2021
Instrument	20210645479

Lender

Name	HOMEOWNERS FINANCIAL GROUP USA LLC
Type	Mortgage Company
Address	SCOTTSDALE, AZ 85254

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	349 Months
Due	Jul 1, 2050

September 2020: Grant Deed

Document Type	Grant Deed
Jurisdiction	MARICOPA AZ
Recording Date	Sep 21, 2020
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000882195
Instrument Date	Sep 21, 2020
Instrument	882195
Record Updated	Sep 25, 2020
Title Company	PIONEER TITLE COMPANY, PIONEER TITLE AGENCY

Transaction

Amount	Amount Recorded
Tax	$800.00
Amount Accuracy	Confirmed

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	10221 E DIATOMIC CIR MESA AZ 852128781, MESA, AZ 85212-8781

September 2020: Correction Deed

Document Type	Correction Deed
Jurisdiction	MARICOPA AZ
Recording Date	Sep 21, 2020
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000882194
Instrument Date	Sep 21, 2020
Instrument	882194
Record Updated	Sep 25, 2020
Title Company	PIONEER TITLE COMPANY, PIONEER TITLE AGENCY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	8050 S PRIEST DR #104 TEMPE AZ 85284, 104, TEMPE, AZ 85284

April 2022: Re-recorded Document

Document Type	Re-recorded Document
Jurisdiction	MARICOPA AZ
Recording Date	Apr 20, 2022
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000348252
Map Reference	MB 1291 PG 23
Instrument Date	Jun 3, 2020
Instrument	20220348252
Record Updated	Nov 9, 2022
Title Company	PEOPLES TITLES INC, PIONEER TITLE AGENCY INC

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Verified / From Affidavit

Transferred From (Grantor/Seller)

Name	Verified Name
Address	8058 S PRIEST DR # DR104, 8058, TEMPE, AZ 85284-1020

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Investor	Possibly a Property Investor

April 2022: Re-recorded Document

Document Type	Re-recorded Document
Jurisdiction	MARICOPA AZ
Recording Date	Apr 18, 2022
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000339980
Map Reference	MB 1291 PG 23
Instrument Date	Jun 3, 2020
Instrument	20220339980
Record Updated	Nov 9, 2022
Title Company	PEOPLES TITLES INC, PIONEER TITLE AGENCY INC

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name
Address	8058 S PRIEST DR # DR104, 8058, TEMPE, AZ 85284-1020

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Investor	Possibly a Property Investor

June 2020: Quit Claim Deed, Construction Loan

Document Type	Quit Claim Deed
Jurisdiction	MARICOPA AZ
Recording Date	Jun 26, 2020
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000566677
Instrument Date	Jun 1, 2020
Instrument	566677
Transaction Type	Construction Loan
Record Updated	Jul 9, 2020
Title Company	PIONEER TITLE COMPANY, PIONEER TITLE AGENCY

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	8050 S PRIEST DR #104 TEMPE AZ 85284, 104, TEMPE, AZ 85284

June 2021: Re-recorded Document

Document Type	Re-recorded Document
Jurisdiction	MARICOPA AZ
Recording Date	Jun 11, 2021
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000645477
Map Reference	MB 1291 PG 23
Instrument Date	Jun 1, 2020
Instrument	20210645477
Record Updated	Nov 9, 2022
Title Company	PEOPLES TITLES INC, PIONEER TITLE AGENCY INC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	8050 S PRIEST DR # 104, 104, TEMPE, AZ 85284-1006
Investor	Possibly a Property Investor

September 2019: Grant Deed, Construction Loan

Document Type	Grant Deed
Jurisdiction	MARICOPA AZ
Recording Date	Sep 23, 2019
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000748507
Instrument Date	Sep 23, 2019
Instrument	748507
Transaction Type	Construction Loan
Record Updated	Oct 1, 2019
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO NA

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	8058 S PRIEST DR TEMPE AZ 852841020, TEMPE, AZ 85284-1020
Investor	Possibly a Property Investor

September 2019: Trustee's Deed, Transfer

Document Type	Trustee's Deed
Jurisdiction	MARICOPA AZ
Recording Date	Sep 23, 2019
Property Address	10221 E DIATOMIC CIR, MESA, AZ 85212-8781
Document Number	0000748507
Instrument Date	Sep 23, 2019
Instrument	748507
Transaction Type	Transfer
Record Updated	Oct 2, 2019
Title Company	FIRST AMERICAN TITLE INSURANCE COMPANY NC, FIRST AMERICAN TITLE INS CO NC

Transaction

Amount	Amount Recorded
Tax	$288.46
Amount Accuracy	Confirmed
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1111 N POST OAK RD HOUSTON TX 770557310, HOUSTON, TX 77055-7310
Investor	Possibly a Property Investor

Mortgage

Document Number	748508
Date	Sep 23, 2019
Instrument	748508

Lender

Name	INTERNATIONAL BK/COMMERCE
Type	Bank
Address	500 W 5TH ST # 100, AUSTIN, TX 78701-3835

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Maricopa County assessment roll, as of October 22, 2025

Property Jurisdictions

Type	Name
State	Arizona
County	Maricopa County
Municipality	Mesa City
Unified School District	Gilbert Unified District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$103,860 (+110.03%)	$1,038,600 (+4.4%) Land $207,700 Building $830,900
2025	$5,429.00 (-15.66%)	$49,450 (-49.73%)	$994,800 (+1.14%) Land $198,900 Building $795,900
2024		$98,360	$983,600 Land $196,700 Building $786,900
2023	$6,437.00

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 October 2, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone D undetermined · not studied
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 10 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	10 in force

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 44% of the US · lower than 64% of Arizona
Wildfire Likelihood	0.08% 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 MESA serves 466,000 people · EPA ID AZ0407095
Water Source	Surface water
Last State Inspection	Nov 2024
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	24 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 637 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Google Fiber Fiber	8,000 / 8,000
CenturyLink Fiber	2,000 / 1,000
Cox Communications Fiber · Cable in parts of the area	2,000 / 35
CopperNet Systems Fixed Wireless	400 / 100
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20