Updated: May 01, 2026
Location and Projects
Address
670 S JEFFERSON STREET #B, Placentia, CA, 92870
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M D B Air HVAC/Mechanical Contractor
M D B Air Inc at 670 S JEFFERSON STREET #B, Placentia, CA 92870, held a HVAC/Mechanical Contractor license (#852607) with the California contractors license board with an expiration date of 01-31-2021. We last verified the license was expired on 04-30-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
M D B Air Inc Contact Information
Phone Number: (714) 993-2100
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Address: 670 S JEFFERSON STREET #B, Placentia, CA 92870
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Commercial mechanical permit - installing ducting for self-contained press. installing exhaust ducting and supply ducting per approved plans
Valuation:
N/A
Permit #:
MEC18-00009
Status:
complete
Fee:
$296
Permit Type:
N/A
Building Type:
N/A
Commercial mechanical permit - installing ducting for self-contained press. installing exhaust ducting and supply ducting per approved plans
Valuation:
N/A
Permit #:
MEC18-00009
Status:
complete
Fee:
$296
Permit Type:
N/A
Building Type:
N/A
Supplemental to permit #18044-30000-05565 to addition 7 smoke dampers and 71 additional grills
Valuation:
N/A
Permit #:
18044-30001-05565
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace 3 water heaters - hydronic heating boilers
Valuation:
N/A
Permit #:
18042-30000-29224
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Fire alarm shutdown witness test
Valuation:
N/A
Permit #:
18044-90000-12144
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire shutdown witness test
Valuation:
N/A
Permit #:
18044-90000-12247
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Re-duct
Valuation:
N/A
Permit #:
18044-30000-05565
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Reduct two existing systems
Valuation:
N/A
Permit #:
16044-30000-10885
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Remove/replace existing gas line-ap by edc * 1/25/08 revision to gas line submitted -md ** 11/03/08 duplicate permit - sak **11/4/08 renew expired permit 1/2 fees rw
Valuation:
N/A
Permit #:
B0800157
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Instal1 two 12, 000 btu ductless split systems re-duct existing 7.5-ton system install two exhaust fans
Valuation:
N/A
Permit #:
09044-90000-03776
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
16044-30000-10885
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace two air conditioning units (same size & location)
Valuation:
$6,000
Permit #:
11STP2437
Status:
EXPIRED
Fee:
$435
Permit Type:
N/A
Building Type:
N/A
Hvac contractor
Valuation:
$0
Permit #:
BUS2008-00072
Status:
Active
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Revision to 10cbp0456 - replace 2-3 ton systems w/1 - 5 ton system
Valuation:
$0
Permit #:
10PC0933
Status:
COMPLETE
Fee:
$337
Permit Type:
N/A
Building Type:
N/A
(4) new heaters * gas under permit #b0800157 * plancheck/workflow under #b0800483
Valuation:
N/A
Permit #:
B0801678
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing 200, 000 btu boiler with same
Valuation:
N/A
Permit #:
09044-90000-03775
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Remove & replace (1) low pressure boiler
Valuation:
N/A
Permit #:
10045-91000-00011
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install package unit ductwork
Valuation:
N/A
Permit #:
07044-20000-10099
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
1 air handling unit
Valuation:
$0
Permit #:
73065
Status:
EXPIRED
Fee:
$142
Permit Type:
N/A
Building Type:
N/A
Instal1 two 12 000 btu ductless split systems re-duct existing 7.5-ton system install two exhaust fans
Valuation:
N/A
Permit #:
09044-90000-03776
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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M D B Air Inc Reviews
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M D B Air Inc License info
Inactive License
| License # | 852607 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | 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 M D B Air Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are M D B Air Inc, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Developers Surety & Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
16
Permits
- Building permit records show that M D B Air Inc has worked on 16 permitted projects.
M D B Air Inc Employees
DB
Deborah Jayne Beltz
Officer
MB
Mark Richmond Beltz
Rmo / Ceo / Pres