Updated: Oct 20, 2025
Location and Projects
Address
200 ORANGE GROVE, Placentia, CA, 92870
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Mhir Construction
Mhir Inc, 200 Orange Grv, Placentia, CA (Owned by: William Ayers Maddox) holds a General Building license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mhir Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mhir Inc Services
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Mhir Inc Contact Information
Phone Number: (714) 334-8562
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Address: 200 ORANGE GROVE, Placentia, CA 92870
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Mhir Inc Placentia
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mhir Inc has a BuildZoom score of 94, which places them above 76% of 336,931 contractors in California.
Activity
|
4 projects
|
2022 |
Our building permit records indicate that Mhir Inc has worked on at least
4.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Non-structural kitchen remodel: demolish pantry wall. electric. plumbing. subject to field inspection per ray luna. bulletin 321 216 kitchen notes & water conservation certificate apply
Valuation:
$22,000
Permit #:
00738555-RBPR
Status:
final
Fee:
$253
Permit Type:
N/A
Building Type:
N/A
New detached accessory dwelling unit (adu). 691 sf at rear of property. unit b
Valuation:
N/A
Permit #:
BLD-2022-01291
Status:
final
Fee:
$4,982
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel & closet addition
Valuation:
$12,500
Permit #:
2109-210
Status:
final
Fee:
$1,595
Permit Type:
Alteration repair
Building Type:
N/A
Residential combo building permit - remodel kitchen and (2) bathrooms. includes related mechanical electrical and plumbing (1) shower (1) tub/shower (2) lavs (2) water closets (1) sink (1) dishwasher (1) garbage disposal (4) outlets (4) switches (12) fixtures (2) exhaust fans (1) kitchen hood no walls added or removed sb407 required
Valuation:
$15,000
Permit #:
COM18-00268
Status:
complete
Fee:
$953
Permit Type:
N/A
Building Type:
N/A
Remove existing window & installiing french doors - non structural - no sheer - like for like *subject to field*
Valuation:
$4,000
Permit #:
00716743-RBPR
Status:
final
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Second floor addition to addition bathroom and office space. air conditioning & furnace with attic conversion
Valuation:
$39,736
Permit #:
00649299-RBPR
Status:
final
Fee:
$767
Permit Type:
N/A
Building Type:
N/A
Addition 155 sq ft to extnd bdrms remdl bathroom upgrd elect panel reloc water heater
Valuation:
$22,000
Permit #:
16-2438
Status:
final
Fee:
$903
Permit Type:
N/A
Building Type:
N/A
Residential kitchen & bathroom remodels *subject to field inspection*
Valuation:
N/A
Permit #:
00714325-RBPR
Status:
final
Fee:
$321
Permit Type:
N/A
Building Type:
N/A
Interior kitchen remodel & replace drywall at living room
Valuation:
$24,000
Permit #:
1604-033
Status:
ISSUED
Fee:
$1,037
Permit Type:
Alteration repair
Building Type:
N/A
Kitchen remodel cabinets countertop sink & appliances. location unchanged remove soffit ceiling install drywall at new 8 height
Valuation:
$16,000
Permit #:
COMBR-2019-00260
Status:
final
Fee:
$299
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel - no structural - no additional sf added ***3/9/16 db - sup; replace (e) shower bathtub and (1) light fixture*** entered by: kongs
Valuation:
N/A
Permit #:
C2016-000058
Status:
final
Fee:
$611
Permit Type:
N/A
Building Type:
N/A
Kitchen/bath remodel
Valuation:
$10,000
Permit #:
1703-335
Status:
ISSUED
Fee:
$656
Permit Type:
Alteration repair
Building Type:
N/A
343 sf remodel kitchen convert dining into an office
Valuation:
$40,000
Permit #:
2202-153
Status:
final
Fee:
$2,676
Permit Type:
Alteration repair
Building Type:
N/A
Service panel upgrade
Valuation:
N/A
Permit #:
00690372-MISR
Status:
final
Fee:
$48
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel & window change out
Valuation:
$20,000
Permit #:
1502-073
Status:
ISSUED
Fee:
$519
Permit Type:
Alteration repair
Building Type:
N/A
Sfd-removing and replacing tiles shower on all 4 bathrooms, hot mopping 2 showers, changing out vanity, new sinks and wood trimming on all 4 bathrooms
Valuation:
$27,706
Permit #:
RS100334
Status:
Closed-Expired
Fee:
$515
Permit Type:
N/A
Building Type:
N/A
Non-struct. guest bathroom remodel
Valuation:
$8,000
Permit #:
1411-184
Status:
issued
Fee:
$354
Permit Type:
Alteration repair
Building Type:
N/A
156 sf interior kitchen remodel
Valuation:
$35,000
Permit #:
2104-048
Status:
final
Fee:
$1,740
Permit Type:
Alteration repair
Building Type:
N/A
Residential kitchen remodel
Valuation:
$28,000
Permit #:
00675838-RBPR
Status:
final
Fee:
$442
Permit Type:
N/A
Building Type:
N/A
2nd floor bathroom remodel
Valuation:
N/A
Permit #:
2112-076
Status:
final
Fee:
$498
Permit Type:
Alteration repair
Building Type:
N/A
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Mhir Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Mhir Inc License info
Verified License
| License # | 867006 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Mhir Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
22
Permits
- Building permit records show that Mhir Inc has worked on 22 permitted projects.
Mhir Inc Employees
CM
Cynthia Lea Maddox
Officer
WM
William Ayers Maddox
Owner
WJ
William Ayers Maddox Jr
Rmo / Ceo / Pres