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Location and Projects

Address
9909 Topanga Canyon Blvd, Chatsworth, CA, 91311
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Construction District HVAC/Mechanical Contractor

As President, Steven Wizmann is the heart and soul of Construction District Inc. He started off in the industry in 2011. Coming from a HVAC background of sales, service and installation, Steven thrives on excellence starting from the superior customer service. Construction District Inc offers a variety of quality products and installation that is delivered to our clients. He believes in cultivating strong and lasting relations. The detailed approach to working closely with his clients and our care for craftsmanship has led to countless successful projects in Southern California. At Construction District Inc we sincerely appreciate the importance of your time and therefore every process from design to execution is fast tracked.
Our team of professionals will handle your entire project making us your one-point contact for any matter. No need to coordinate between the designers, various contracting teams, and vendors; allowing our team to manage it all.
Established in 2016, Construction District Inc. holds a B- General, C-20 HVAC, & C-10 Electrical license. Paying close attention to our clients’ needs and working closely on their own projects, Construction District guarantees to exceeds all of your expectations during the course of your project and stands behind its work.
Steven created Construction District to offer an innovative and professional approach to the HVAC and construction industry, both for Residential and Commercial clients. Allowing home owners to make educated investments by simply educating them on their current project have allowed Construction District Inc to build a solid reputation for quality workmanship, reliability, and competitive pricing.

From BuildZoom: Construction District Inc, 9909 Topanga Canyon Blvd, Chatsworth, CA (Employees: Jack Steven Bernal Sr and Steven Wizmann) holds a Warm Air Heating, Ventilating And Air Conditioning, General Building, Electrical license and 3 other licenses according to the California license board.

Their BuildZoom score of 127 ranks in the top 1% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Construction District Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Construction District Inc Services

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Construction District Inc Contact Information

Phone: (310) 770-9246
Address: 9909 Topanga Canyon Blvd, Chatsworth, CA 91311

Construction District Inc Chatsworth

Quality

127
99th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Construction District Inc has a BuildZoom score of 127, which places them above 99% of 336,931 contractors in California.

Activity

29 projects
2025
23 projects
2024
22 projects
2023
Our building permit records indicate that Construction District Inc has worked on at least 74.0 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.

Experience

54 projects
HVAC projects
Analyzing permits over the last 4 years shows that Construction District Inc mostly works on hvac project projects.

Pricing

3 projects
< $5k
2 projects
$5k-$20k
Value Not Public: 69.0 projects
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.

Building Permits by Construction District Inc

Sort by: Notable Notable | Date Date | Job Value Job Value
Bldg-alter/repair
2025-03-12
Concrete block freestanding masonry fence walls constructed per information bulletin p/bc 2020-096 located in residential zones maximum 6 feet height above grade and not located in the required front yard or within 5 feet of the side street lot line of a reverse corner lot (subject to additional limitations of lamc section 12.22c20(f) and information bulletin p/zc 2002-002)
Valuation:
$2,500
Permit #:
24016-90000-31629
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan check due to lost plans for basement and ground level only. permit for additional air conditioning unit in the basement. the rest of the permit is under 21044-20000-26242
Valuation:
N/A
Permit #:
25044-10000-04134
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to permit# 24044-90000-07604 to correct address from 2421 santa fe ave # 21 24 27 to 2421 santa fe ave #21 25 27
Valuation:
N/A
Permit #:
24044-30001-07604
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of 3 ton split air handler and heat pump system. installation of two 5 ton heat pump package units
Valuation:
N/A
Permit #:
25044-90000-02450
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 21044-10000-05356 change of contractor from [ biomechanical inc.] to construction district inc. and add:installation of 6 mini splits installation of two bathroom exhaust fans
Valuation:
N/A
Permit #:
21044-30001-05356
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit
2022-09-26
Install (n) roof mounted heat pump package unit and c/o ducting throughout. per planning division new equipment enclosure to be constructed to screen new package unit on roof from all vantage points. equipment enclosure shall cover all four (4) sides and exterior shall be painted to match the color of the existing roof material. no portion of the package unit shall extend above the to... see more
Valuation:
N/A
Permit #:
22-4317
Status:
expired
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Comply with department order with an effective date 4-19-23. permit to expire 30 days from issuance date. installation of 2-ton heatpump package unit 1 bathroom exhaust duct 1 dryer vent and 1 kitchen hood duct new r-6 flex ducting
Valuation:
N/A
Permit #:
23044-40000-15753
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New hvac with garage ventilation *7 story apartment with on grade mixed use*
Valuation:
N/A
Permit #:
19044-10000-15914
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Run new duct for newly installed bathroom exhuast fan. comply with department order effective date 10/18/2023. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
24044-20000-13984
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Relocate 2 existing condensers to wall bracket. no electrical work
Valuation:
N/A
Permit #:
25044-90000-01661
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 22041-20000-43610 to addition (5) outlets for low voltage tv. (2) outlets for unit 16 and (3) outlets for unit 17
Valuation:
N/A
Permit #:
22041-10001-43610
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
3 zone single zone ductless mini split change out
Valuation:
N/A
Permit #:
25044-90000-02120
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Electrical
2025-03-14
100 amp single phase overhead temporary power pole
Valuation:
N/A
Permit #:
25041-90000-10110
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
200 amp single phase overhead temporary power pole
Valuation:
N/A
Permit #:
25041-90000-10111
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replacement of 3 package units on the roof replacement of 2 heat pumps on the roof. installation of new ducting in the house with new linear diffusers
Valuation:
N/A
Permit #:
22044-90000-11299
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Air handler/heat pump system change out
Valuation:
N/A
Permit #:
25044-90000-00330
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of 2 single zone mini split units for newly built adus on ground level. run ducting for bathroom exhaust fans and kitchen hoods
Valuation:
N/A
Permit #:
22044-90000-09361
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Complete system replacement using 3.5 ton air handler and heat pump with new ducting in the attic and replacement of copper line set
Valuation:
N/A
Permit #:
22044-90000-03895
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of 2 electrical whips for hvac units been replaced. investigation fee added. case# 785092
Valuation:
N/A
Permit #:
24041-30000-36446
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of 2 air handlers and heat pumps. installation of spiral ducting with 6 supply and 2 return
Valuation:
N/A
Permit #:
22044-90000-11363
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A

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