Updated: Apr 04, 2026
Location and Projects
Address
15753 COBALT STREET, Sylmar, CA, 91342
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Aa to Zz Construction
Serving clients across the Greater Los Angeles area from its base in Sylmar, Aa to Zz Construction brings 25 years of experience to a range of residential and commercial building projects. The company provides general construction services tailored to both homeowners and property managers, addressing new builds, remodels, and repairs. Aa to Zz Construction’s portfolio includes kitchen and bathroom renovations, room additions, and structural repairs. With a longstanding presence in the local construction industry, the business manages projects from initial planning and permitting through to project completion. The contractor is equipped to handle jobs of various sizes, working with clients in Sylmar and surrounding neighborhoods.
Aa to Zz Construction Services
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Aa to Zz Construction Contact Information
Phone Number: (818) 367-4749
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Address: 15753 COBALT STREET, Sylmar, CA 91342
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Aa to Zz Construction Sylmar
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Aa to Zz Construction has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Aa to Zz Construction has worked on at least
4.0 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 |
|
1 project
|
$50k-$100k |
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 Aa to Zz Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
New 136 sf single story addition and remodel to existing r3-occ single family dwelling new 155 sf. trellis-roof porch (open to sky) remodel kitchen dining room family room powder room guest suite master suite & building new outdoor gas fireplace. **1 of 2**
Valuation:
$230,000
Permit #:
18014-10000-02923
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
317 & 319 n victory bl - tenant improvement sub-dividing single retail space into two tenant spaces. south unit to be martial arts studio north unit is vacant*
Valuation:
$50,000
Permit #:
BS2113130
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
Office
To demolish arched entry and provide attached trellis to (e) single family dwelling
Valuation:
$65,000
Permit #:
22016-10000-12896
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove unpermitted dwelling convertion in accessory building. convert carport workshop and patio cover to garage recreation room and patio cover. addition storage shed and pool bathroom. this work is for compliance with inspectors order #507342
Valuation:
$35,000
Permit #:
13014-20000-04117
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e) detached a.l.q. to a detached a.d.u. no structural changes
Valuation:
$5,000
Permit #:
23016-10000-20603
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pounds per sq. ft. over existing solid sheathing 5.5 squares. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roofing rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$1,800
Permit #:
18016-20000-03888
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(6) window change-out (same size & type) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 152(b) of title 24
Valuation:
$2,200
Permit #:
16016-20000-07709
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit#18014-10000-02923 to reduce floor area of trellis at rear and change raised floor to concrete slab on grade
Valuation:
N/A
Permit #:
18014-10001-02923
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Termite damaged stairs in residential buildings (less than 10% of replacement cost of stairs). replace drywall (no new walls added) for single family dwellings and duplexes only
Valuation:
$1,200
Permit #:
18016-20000-02902
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
449 sf accessory dwelling unit; garage conversion
Valuation:
$20,000
Permit #:
BS2007749
Status:
final
Fee:
N/A
Permit Type:
New construction
Building Type:
2nd dwelling unit
New 822 s.f addition to an (e) single family dwelling including 2 bedroom 2 bathrooms and laundry room. (n)roof
Valuation:
$120,000
Permit #:
15014-20000-05560
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel exist. patio cover and addition 4'-9 x 18'-3 patio cover (deck above) to rear of exist. single family dwelling
Valuation:
$50,000
Permit #:
16014-20000-00637
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel exist. patio cover and addition 4'-9 x 18'-3 patio cover (deck above) to rear of exist. single family dwelling
Valuation:
$50,000
Permit #:
16014-20000-00637
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Verification of (e) building condition is outside scope of soft story ordinance labc div. 93
Valuation:
N/A
Permit #:
18016-10000-20492
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace dishwasher & replace kitchen sink
Valuation:
N/A
Permit #:
18042-10000-03998
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace 200 amp (2 gang) service panel
Valuation:
N/A
Permit #:
18041-20000-03325
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Soft story retrofit of the soft/weak wall line(s) per lamc division 93
Valuation:
$40,000
Permit #:
17016-10000-05307
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Extend water line to relocated fridge
Valuation:
N/A
Permit #:
17042-20000-23701
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Change out 200 amp service
Valuation:
N/A
Permit #:
18041-20000-04418
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace water heater
Valuation:
N/A
Permit #:
18042-20000-03144
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Aa to Zz Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Aa to Zz Construction License info
Verified License
| License # | 729831 |
| 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 Aa to Zz 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 # | NAT-123838-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 Aa to Zz Construction at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
48
Permits
- Building permit records show that Aa to Zz Construction has worked on 48 permitted projects.
Aa to Zz Construction Employees
DT
David Vinnon Thorne
Owner