Location and Projects
Address
4070 Nelson Ave, Concord, CA, 94520
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Dmz Builders Engineer
Dmz Builders, 4070 Nelson Ave, Concord, CA (Employees: Aravind Duvvuru, B & C Transit Inc, and Bay Cities Paving & Grading Inc) holds a General Engineering, Electrical license and 3 other licenses according to the California license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Dmz Builders, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Dmz Builders Contact Information
Phone Number: (925) 826-5387
Address: 4070 Nelson Ave, Concord, CA 94520
Dmz Builders Concord
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Dmz Builders has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Dmz Builders has worked on at least
6.0 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 |
|
1 project
|
$50k-$100k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $40,000. This graph shows the distribution of these job values.
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.
Complete removal of the existing kifer receiving station (6 750 sq ft) including its foundation and slab see separate demolish permit for 2nd structure (battery storage) bld24-00313
Valuation:
$38,000
Permit #:
BLD25-03182
Status:
filed
Fee:
$1,440
Permit Type:
N/A
Building Type:
N/A
Fire alarm permit: sfmta king substation"; furnish and install a fire alarm system for related work under permits b-2017-0150 and b-2022-0125. system includes fire alarm panel smoke detectors pull station and required auxiliary devices fire alarm input to annunciator interlock with fm-200 fire suppression system 3rd party output conduit and wiring junction boxes and wiring connections... see more
Valuation:
$75,000
Permit #:
B-2022-0174
Status:
complete
Fee:
$3,089
Permit Type:
N/A
Building Type:
Traction power su...
Epc - need temporary power pole for construction office trailers and job site power. this project is for sacramento regional transit building a new train station. (on other parcel(s)
Valuation:
$10,000
Permit #:
COM-2425141
Status:
issued
Fee:
$973
Permit Type:
N/A
Building Type:
N/A
Temporary construction office trailers to support construction activities
Valuation:
$40,000
Permit #:
BLD25-02866
Status:
triage
Fee:
$1,247
Permit Type:
N/A
Building Type:
N/A
34.5 kv cable replacement & fiber optic cable installation project incl. demolish of existing infrastructure & installation
Valuation:
N/A
Permit #:
202200313
Status:
issued
Fee:
$1,563
Permit Type:
Encroachment - minor
Building Type:
N/A
Tcp for bart at ohlone greenway
Valuation:
N/A
Permit #:
PW21-0755
Status:
issued
Fee:
$11,413
Permit Type:
Other
Building Type:
N/A
T.i.: sfmta"; king substation upgrade to include replacing (e) traction power and auxiliary equipment interior and exterior lights (n) exhaust systems; fire suppression systems fire alarm systems eye wash; providing ada compliant bathroom regrading (e) 2 door entrances repaving portion of parking lot (n) sewer connection re-roofing (n) structural slab (n) ductbank from building to (e)... see more
Valuation:
$17,640,000
Permit #:
B-2017-0150
Status:
complete
Fee:
$209,801
Permit Type:
N/A
Building Type:
Electrical substa...
Remove & replace existing generator with calcs
Valuation:
$550,000
Permit #:
2015 008254 CI
Status:
final
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
Install 2 light poles near berth 30-32
Valuation:
N/A
Permit #:
E1601224
Status:
final
Fee:
$1,073
Permit Type:
N/A
Building Type:
N/A
Film permit - dmz productions llc - filming of army vehicles and soldiers walking and driving around the base to recreate the 1970's era on 12/06/08 from 7:00am to 7:00pm at alameda point (outside 8 building's only)
Valuation:
$500
Permit #:
SE08-0257
Status:
Issued
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Install 2 light poles near berth 30-32
Valuation:
$8,000
Permit #:
B1601008
Status:
final
Fee:
$1,088
Permit Type:
N/A
Building Type:
N/A
Temp power pole west antioch creek fairground side
Valuation:
$100
Permit #:
B1804-0229
Status:
issued
Fee:
$141
Permit Type:
Power pole
Building Type:
N/A
Bl: mobile notary service. no cumstomers on site. *** location: on the east side of s chickasaw wy approx 100 south of e. mohican dr manteca. *** history: none
Valuation:
$0
Permit #:
BL-0500309
Status:
FINAL
Fee:
$367
Permit Type:
N/A
Building Type:
N/A
Remove and replace generator in exterior yard. yard is enclosed by concrete walls and is open to the sky
Valuation:
N/A
Permit #:
2014 028420 HZ
Status:
complete
Fee:
N/A
Permit Type:
Aboveground tank/...
Building Type:
N/A
Wholesale distribution of electronic components
Valuation:
$0
Permit #:
BUS2002-03335
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Scvwd - protected tank diesel generator under ci-14-008062
Valuation:
N/A
Permit #:
2015 012460 HZ
Status:
complete
Fee:
N/A
Permit Type:
Aboveground tank/...
Building Type:
N/A
Import/export electronic components
Valuation:
$0
Permit #:
BUS1998-059017
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wholesale distribution
Valuation:
$0
Permit #:
BUS2000-04354
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
FIS-0009832
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
FIS-0101941
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Dmz Builders Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Dmz Builders License info
Verified License
| License # | 1150127 |
| Status | Active |
| State | California |
| Type | General Engineering, Electrical |
| Date Issued | 02-06-2026 |
| Business Type | Joint Venture, Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Dmz Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 986594 |
| Status | Active |
| State | California |
| Type | General Engineering, Electrical, General Building, Building Moving, Demolition |
| Business Type | Joint Venture, Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Dmz Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 997182 |
| Status | Inactive |
| State | California |
| Type | General Engineering |
| Business Type | Joint Venture, 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.
Check this license's status for Dmz Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 992054 |
| Status | Inactive |
| State | California |
| Type | General Engineering, Electrical |
| Business Type | Joint Venture, 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.
Check this license's status for Dmz Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Sentinel Insurance Company Ltd |
15
Permits
- Building permit records show that Dmz Builders has worked on 15 permitted projects.
Dmz Builders Employees
AD
Aravind Duvvuru
Rmo
BI
B & C Transit Inc
Entity
BI
Bay Cities Paving & Grading Inc
Entity
DB
Dmz Builders
Entity
RZ
Richard Joseph Zito
Rmo / Ceo / Pres
TM
Todd William Majors
Rmo