Updated: May 13, 2026
Location and Projects
Headquarters Address
1308 Monte Vista Ave Ste 7, Upland, AZ, 91786
Local address
P O BOX 9427, Alta Loma, CA, 91701
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TI Construction
TI Construction, Alta, Po Box 9427, Alta Loma, CA (Owned by: Margaret Lucille Miller) holds a General Building license and 4 other licenses according to the California license board.
Their BuildZoom score of 95 ranks in the top 22% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring TI Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
TI Construction Services
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TI Construction Contact Information
Phone Number: (909) 888-9000
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Headquarters Address: 1308 Monte Vista Ave Ste 7, Upland, AZ, 91786
Local Address: P O BOX 9427, Alta Loma, CA 91701
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement
Valuation:
N/A
Permit #:
00820017-SBPT
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct dwelling
Valuation:
N/A
Permit #:
BP29053
Status:
issued
Fee:
N/A
Permit Type:
Single family dwe...
Building Type:
N/A
T i electrical outlets/fixtures;1 100 amp svc.;motor (space 378)
Valuation:
$0
Permit #:
B00-002-015
Status:
Final
Fee:
$185
Permit Type:
N/A
Building Type:
N/A
Pool house
Valuation:
N/A
Permit #:
BP29060
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Inspection of swimming pool per health dept-senate bill 873
Valuation:
N/A
Permit #:
EL9808190026
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Inspection of swimming pool per health dept-senate bill 873
Valuation:
$0
Permit #:
EL9808190026
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
T i plumbing fixtures (mop sink/hand sink) (space 378)
Valuation:
N/A
Permit #:
B00-002-016
Status:
final
Fee:
$78
Permit Type:
Tenant improve
Building Type:
N/A
Interior separation wall (units g & h)
Valuation:
$4,100
Permit #:
A90-001-832
Status:
final
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Type grading. replace on-site hydrant
Valuation:
N/A
Permit #:
83746
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical service to 100 amp
Valuation:
N/A
Permit #:
EL9609260024
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical service to 100 amp
Valuation:
$0
Permit #:
EL9609260024
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wiring for tenant improvement (units g & h)
Valuation:
N/A
Permit #:
A90-001-835
Status:
final
Fee:
$54
Permit Type:
N/A
Building Type:
N/A
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TI Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
TI Construction License info
Verified License
| License # | 991761 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for TI Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 797995 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Painting And Decorating, Electrical Signs |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for TI Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 301638 |
| Status | Inactive |
| State | Arizona |
| Type | General Commercial |
| Business Type | Sole Ownership, Corporation |
- According to the Arizona Registrar of Contractors, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for TI Construction at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 479989 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for TI Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 557618 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for TI Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Mid Century Insurance Company |
8
Permits
- Building permit records show that TI Construction has worked on 8 permitted projects.
TI Construction Employees
MM
Margaret Lucille Miller
Owner
TI
Terry Lynn Ireton
Sole Owner
TI
Theodore Raymond Imsen
Rmo / Ceo / Pres
TI
Tim Paul Ishihara
Sole Owner
TI
Toni Renee Imsen
Officer