Updated: Apr 18, 2026
Location and Projects
Address
3697 MT DIABLO BLVD SUITE 300, Lafayette, CA, 94549
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John Protopappas Construction
John Protopappas, 3697 Mt Diablo Blvd, Lafayette, CA (Employee: John Protopappas) holds a General Building license according to the California license board.
Their BuildZoom score of 85 does not rank in the top 50% of California contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Protopappas, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John Protopappas Services
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John Protopappas Contact Information
Phone Number: (510) 452-2944
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Address: 3697 MT DIABLO BLVD SUITE 300, Lafayette, CA 94549
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Total renovation of warehouse, create 6 live-work and one residential unit. urm seismic upgrade. (address changed from 228 harrison st. 4-12-96; entry chngd)
Valuation:
$501,000
Permit #:
B9502024
Status:
Final
Fee:
$6,606
Permit Type:
N/A
Building Type:
N/A
Obstruction permit for approx. 50 lin. ft. along the front of 228 harrison st continue around corner on 3rd st approx. another 100 lin ft.total 150 ft. eff. 09/20/95 thru 10/19/95
Valuation:
$0
Permit #:
OB950248
Status:
Final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Abate complaint #9501468. partitions mechanical elect plumbing work. no exterior work except repair of windows in kind. convert warehouse to artist live/work
Valuation:
$5,500
Permit #:
B9502173
Status:
Final
Fee:
$883
Permit Type:
N/A
Building Type:
N/A
General repairs to interior sheetrock,paint,tape,texture roof repairs, doors and hardware to clean-up and abate complaint 9500980
Valuation:
$7,500
Permit #:
B9602549
Status:
Expired
Fee:
$301
Permit Type:
N/A
Building Type:
N/A
Permit value$7.5kmessage contractor general repairs to interior sheetrock, paint, tape, texture roof repairs doors and hardware to clean-up and abate complaint 9500980
Valuation:
N/A
Permit #:
B9602549
Status:
EXPIRED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovate existing building for warehouse. alter to 24 live/wk units
Valuation:
$405,000
Permit #:
B9003121
Status:
Final
Fee:
$3,201
Permit Type:
N/A
Building Type:
N/A
Tenant improvement on 1st floor to create office space
Valuation:
$57,000
Permit #:
B9604665
Status:
Final
Fee:
$1,485
Permit Type:
N/A
Building Type:
N/A
New electric wall sign 10/31/96- in needs file (add. to plans needed)
Valuation:
$3,500
Permit #:
S9600104
Status:
Expired
Fee:
$159
Permit Type:
N/A
Building Type:
N/A
Installation a floor sink handwash sink and double comppartm ent
Valuation:
$0
Permit #:
P9402619
Status:
Final
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
New const
Valuation:
$1,300,000
Permit #:
B9401095
Status:
Final
Fee:
$16,965
Permit Type:
N/A
Building Type:
N/A
New s.f.d
Valuation:
$185,000
Permit #:
B9003974
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New s.f.d
Valuation:
$185,000
Permit #:
B9003975
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New electrical wall sign issue after sign permit issuance
Valuation:
$0
Permit #:
E9603254
Status:
Expired
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Check current mechanical system - per keith pacheco
Valuation:
$0
Permit #:
M9501154
Status:
Final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Check current plumbing system. per keith pacheco
Valuation:
$0
Permit #:
P9501658
Status:
Final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Mixture persit for single zone frighton zone
Valuation:
$0
Permit #:
P9401767
Status:
Final
Fee:
$82
Permit Type:
N/A
Building Type:
N/A
Tenant improvement for coffee shop and reface the existing sign
Valuation:
$3,000
Permit #:
B9404284
Status:
Final
Fee:
$203
Permit Type:
N/A
Building Type:
N/A
Adding plugs lights and smoke detectors
Valuation:
$0
Permit #:
E9502538
Status:
Final
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
Demolish existing 25 wide building
Valuation:
$0
Permit #:
B9401922
Status:
Expired
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Temporary construction power.
Valuation:
$0
Permit #:
E9502964
Status:
Final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
John Protopappas License info
Verified License
| License # | 589755 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John Protopappas at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
85
BuildZoom Score
Bonded
| Bonded Agent | Old Republic Surety Company |
| Bond Value | $15,000 |
15
Permits
- Building permit records show that John Protopappas has worked on 15 permitted projects.
John Protopappas Employees
JP
John Protopappas
Sole Owner
JP
John Protopappas
Owner