Updated: May 10, 2026
Location and Projects
Address
P O BOX 336, Diablo, CA, 94528
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Nunnenkamp Construction
Nunnenkamp Construction, Diablo, Po Box 336, Diablo, CA (Owned by: Kevin Dean Tinsley) holds a General Building license and 3 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 Nunnenkamp Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Nunnenkamp Construction Services
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Nunnenkamp Construction Contact Information
Phone Number: (925) 382-2048
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Address: P O BOX 336, Diablo, CA 94528
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Nunnenkamp Construction Reviews
1 out of 5 stars, based on
1
review
-
By J P.July 28, 2019Bathroom$16,000
Building Permits by Nunnenkamp Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Construction of single-family two-story home on empty lot. approx. 6141sf living 1006sf garage 1105sf covered patios/porches. *** gas ok. submittal and approval prior to ordinance for all electric ***
Valuation:
N/A
Permit #:
BIR22-004796
Status:
final
Fee:
$39,160
Permit Type:
N/A
Building Type:
N/A
Construction of single-family two-story home on empty lot. approx. 6141sf living 1006sf garage 1105sf covered patios/porches
Valuation:
N/A
Permit #:
BISUB22-01241
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Grading work for new residence cut 553cy fill 1411cy. see permit # bir22-004796 for residence
Valuation:
N/A
Permit #:
BIG22-004799
Status:
final
Fee:
$2,790
Permit Type:
N/A
Building Type:
N/A
Grading work for new residence. see permit # bir22-004796 for residence
Valuation:
N/A
Permit #:
BISUB22-01274
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement chilton auto body (unit #170) - auto body workshop. new partition walls restrooms interior doors/windows new roof top unit new small mezzanine level with stairs 4 electrical vehicle chargers and finishes (10, 077 sqft.)
Valuation:
$30,000
Permit #:
B18-3248
Status:
final
Fee:
$2,181
Permit Type:
N/A
Building Type:
N/A
New single family home for kt builders on lot 4 at los encinos- house 2882 sq ft garage 622 sq ft and porch 143 sq ft **3/3/21 - revision to remove proposed photovoltaic panels. revised energy calcs. submitted and approved. racuff
Valuation:
N/A
Permit #:
BIR19-012138
Status:
final
Fee:
$22,572
Permit Type:
N/A
Building Type:
N/A
New single family home for kt builders on lot 5 for los encinos- house 2882 sq ft garage 602 sq ft and porch 139 sq ft **2/18/21 - revision to remove proposed photovoltaic panels. revised energy calcs. submitted and approved. racuff
Valuation:
N/A
Permit #:
BIR19-012133
Status:
final
Fee:
$22,434
Permit Type:
N/A
Building Type:
N/A
New single family home lot 3 vista encinos for kt builders house 2763 garage 421 porch 183 **3/3/21 - revision to remove proposed photovoltaic panels. revised energy calcs. submitted and approved. racuff
Valuation:
N/A
Permit #:
BIR19-012136
Status:
final
Fee:
$22,011
Permit Type:
N/A
Building Type:
N/A
New 20, 525 sqft single story commercial building (shell only) with 51 parking spaces on a 56, 044 square-foot lot
Valuation:
$1,744,625
Permit #:
B17-0916
Status:
final
Fee:
$591,071
Permit Type:
N/A
Building Type:
N/A
Tenant improvement kar park automotive storage- shop to store high and vehicles. new partition walls restrooms interior doors/windows new roof top unit 4 electrical vehicle charges and finishes (10, 200)
Valuation:
$50,000
Permit #:
B18-3349
Status:
final
Fee:
$4,382
Permit Type:
N/A
Building Type:
N/A
New single family residence. approx 4617sf with 842sf garage *** a demolish permit # bid18-009332 issued to demolish the old residence
Valuation:
N/A
Permit #:
BIR18-009780
Status:
final
Fee:
$15,264
Permit Type:
N/A
Building Type:
N/A
New single family home for kt builders on lot 7 for camino encinos- house 3516 sq ft garage 587 sq ft and porch 136 sq ft
Valuation:
N/A
Permit #:
BIR19-012131
Status:
final
Fee:
$24,786
Permit Type:
N/A
Building Type:
N/A
New single family home for kt builders on lot 9 camino encinos- house 3798 sq ft garage 611 sq ft porch 154 sq ft **4/15/21 - revision to remove proposed photovoltaic panels. revised energy calcs. submitted and approved. racuff
Valuation:
N/A
Permit #:
BIR19-012129
Status:
final
Fee:
$26,470
Permit Type:
N/A
Building Type:
N/A
To demolish existing singlefamily residence and shed on side yard. existing barn in backyard to remain. j# asb109669
Valuation:
N/A
Permit #:
BID19-009307
Status:
final
Fee:
$219
Permit Type:
N/A
Building Type:
N/A
Swing power from home that is demolished to temp power for new home security and lighting for this site
Valuation:
N/A
Permit #:
BIE19-008083
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
New single family home lot 2 vista encinos for kt builders house 2802 garage 415 porch 143
Valuation:
N/A
Permit #:
BIR19-012132
Status:
final
Fee:
$22,268
Permit Type:
N/A
Building Type:
N/A
New single family home lot 6 vista encinos for kt builders house 3394 garage 692 porch 74 **4/15/21 - revision to remove proposed photovoltaic panels. revised energy calcs. submitted and approved. racuff
Valuation:
N/A
Permit #:
BIR19-012127
Status:
final
Fee:
$24,544
Permit Type:
N/A
Building Type:
N/A
New single family home lot 1 vista encinos for kt builders house 2802 garage 415 porch 139
Valuation:
N/A
Permit #:
BIR19-012123
Status:
final
Fee:
$22,158
Permit Type:
N/A
Building Type:
N/A
New single family home lot 8 vista encinos for kt builders house 3244 garage 429 porch 187
Valuation:
N/A
Permit #:
BIR19-012119
Status:
final
Fee:
$24,343
Permit Type:
N/A
Building Type:
N/A
Grading for new home **4/27/22 grading revision-bushra toma**
Valuation:
N/A
Permit #:
BIG21-007471
Status:
final
Fee:
$5,900
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Nunnenkamp Construction License info
Verified License
| License # | 980362 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Nunnenkamp 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 # | 976273 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 Nunnenkamp 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 # | 675060 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 Nunnenkamp 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 # | 909437 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 Nunnenkamp 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
Insured
| Insurer | Benchmark Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
54
Permits
- Building permit records show that Nunnenkamp Construction has worked on 54 permitted projects.
Nunnenkamp Construction Employees
KT
Kevin Dean Tinsley
Owner
KN
Kurt Richard Nunnenkamp
Sole Owner
TC
Tim Michael Cotton
Ceo / President
KT Builders completes two bathroom remodels on my house right before I purchased it. The owner Kevin Tinsley did not pull permits and did the job out of code. He covered up significant rot and caused major issues. He was no help with resolving the issue