Updated: Apr 29, 2026
Location and Projects
Address
523 N Windsor Blvd, Los Angeles, CA, 90004
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Design Build Maintain Dbm Construction
Design Build Maintain Dbm, 523 N Windsor Blvd, Los Angeles, CA (Owned by: Alexander Zielinski) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Design Build Maintain Dbm, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Design Build Maintain Dbm Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Foundations
Other Concrete
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Other Site Work
Design Build Maintain Dbm Contact Information
Phone Number: (323) 465-8962
Address: 523 N Windsor Blvd, Los Angeles, CA 90004
Design Build Maintain Dbm Los Angeles
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Design Build Maintain Dbm has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Design Build Maintain Dbm has worked on at least
5.0 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 |
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 Design Build Maintain Dbm
This is a sample of this contractor's permits. Click here to access their complete permit history.
[eplan] interior structural remodel to (e) 3-story single family dwelling
Valuation:
$8,000
Permit #:
25016-10000-00810
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace exterior outlet
Valuation:
N/A
Permit #:
17041-20000-03331
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit using cantilevered columns per div. 93 of the tuck under parking region at the west portion of a 2-story apartment building
Valuation:
$25,000
Permit #:
16016-10000-26781
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New hvac unit
Valuation:
N/A
Permit #:
25044-90000-09098
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Hvac disconnect
Valuation:
N/A
Permit #:
25041-90000-37445
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Change of use fromtanning salong to retail (irregular space 80.5' x 19
Valuation:
$30,000
Permit #:
14016-20000-25557
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change of use fromtanning salong to retail (irregular space 80.5 x 19')
Valuation:
$30,000
Permit #:
14016-20000-25557
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemtal permit to revise original permit (15016-10000-17128) relocate entry door on unit #303 closer to the corridor open common wall between units #303 and #304 remove pantry in unit #304 and maintain the existing kitchens in both units as shown on revised plans per aff-2015-1357356
Valuation:
$5,000
Permit #:
15016-10001-17128
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 16016-10000-26781: soft story retrofit using per div. 93 of the tuck under parking region at the west portion of a 2-story apartment bldg: moment frame
Valuation:
$2,000
Permit #:
16016-10001-26781
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior remodel of (e) condo unit #1411: relocate non-bearing walls to increase width of hallway reduce the size of pantry addition (n) closet for kitchen kitchen remodel addition (n)dropped ceilings. (no change on numbers of habitable rooms)
Valuation:
$30,000
Permit #:
13016-20000-09652
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Ti: addition and demolish. nonbearing wall to change the floor layout from two unit to combine one unit with one kitchen for unit 303 and 304. see comment
Valuation:
$10,000
Permit #:
15016-10000-17128
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to an existing single story commercial building. adding new lighting neew controls. plan check for energy and emergency lighting. total square footage 1333
Valuation:
N/A
Permit #:
15041-20000-03309
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change work portion of joint living and working quarter unit#1103 to a bedroom.see comments
Valuation:
$5,000
Permit #:
16016-20000-15431
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to 14016-20000-25557 to revise soffit design and suspended ceiling per engineer's calculations
Valuation:
$5,000
Permit #:
14016-10001-25557
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Convert a laundry room into a bathroom family room into a bedroom and remodel bathroom to provide a new hallway
Valuation:
$55,000
Permit #:
14016-20000-17691
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior non structural remodel - convert (e) walk in closet into (n) bedroom remodel (e) bedroom. all work per wfpp
Valuation:
$25,000
Permit #:
14016-20000-11102
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing for kitchen remodel and master bathroom for 20- fixtures & copper repipe running to 7-fixtures w/1/2 line
Valuation:
N/A
Permit #:
1411180004
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical for kitchen remodel and master bathroom for 24- fixtures & upgrade 200amp service panel same location
Valuation:
N/A
Permit #:
1411180012
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate (2) outlets and (2) switches from (e) circuits
Valuation:
N/A
Permit #:
16041-20000-42986
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Non-structural interior remodel to (e) condo unit. remove interior non bearing wall in master bedroom. remove and fill in door at closet
Valuation:
$15,000
Permit #:
16016-20000-27901
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Design Build Maintain Dbm Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Design Build Maintain Dbm License info
Verified License
| License # | 912750 |
| 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 Design Build Maintain Dbm at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 912750 |
| Status | Active |
| State | California |
| Type | General Building Contractor |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of March, 2018. Check the current license status of Design Build Maintain Dbm with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
29
Permits
- Building permit records show that Design Build Maintain Dbm has worked on 29 permitted projects.
Design Build Maintain Dbm Employees
AZ
Alexander Michael Zielinski
Sole Owner
AZ
Alexander Zielinski
Owner