Updated: May 30, 2026
Location and Projects
Address
20511 NAPA ST, Winnetka, CA, 91306
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Martillos General Construction Co
Serving clients in Winnetka, CA, Martillos General Construction Co focuses on residential and commercial construction projects within the greater Los Angeles area. With six years of experience, the company manages both ground-up construction and major renovation work. Their portfolio includes kitchen and bathroom remodels, room additions, and exterior upgrades, demonstrating capability with a range of project types and property styles. Martillos General Construction Co works with homeowners and property managers to deliver functional and updated living spaces as well as renovated rental units. The company utilizes current construction methods and industry-standard materials for both structural builds and interior remodeling. Based in Winnetka, they frequently serve neighborhoods across the San Fernando Valley, providing end-to-end construction project management from initial consultation to final walkthrough.
Martillos General Construction Co Services
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Martillos General Construction Co Contact Information
Phone Number: (818) 378-8338
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Address: 20511 NAPA ST, Winnetka, CA 91306
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Martillos General Construction Co Winnetka
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Martillos General Construction Co has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
7 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Martillos General Construction Co has worked on at least
8.0 projects over the past 2 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 |
|
2 projects
|
$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 Martillos General Construction Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
New 400 amps spot 2 meters 2- subpanels 200 amp each 1- on 230 w. 43rd rd. pl update 100amp 2- on 228 w. 43rd rd. p new service
Valuation:
N/A
Permit #:
25041-20000-02498
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to change address from 228 e 43rd st. no fee department. error
Valuation:
N/A
Permit #:
25041-20001-02498
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 23010-20000-03103 to revise scope of work to; new 1-story accessory dwelling unit per lamc 12.22 a.33 (c)-(d)
Valuation:
N/A
Permit #:
23010-20001-03103
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 ___160__squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-... see more
Valuation:
$25,000
Permit #:
20016-20000-11131
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Kitchen remodel for residential buildings (no structural changes)
Valuation:
$8,950
Permit #:
25016-20000-02349
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
7'-9 x 42'-3 and 5 x 12'-2 addition to existing single family dwelling; 6'-4 x 11'-6 addition to enlarge existing patio; remodel dwelling
Valuation:
$60,000
Permit #:
20014-20000-05570
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Update existing 100 amp meter spot to 200 amps
Valuation:
N/A
Permit #:
25041-20000-03254
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 __15__squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-re... see more
Valuation:
$6,000
Permit #:
20016-30000-15532
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pounds per sq. ft. over existing solid sheathing __15__squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-re... see more
Valuation:
$6,000
Permit #:
20016-30000-15532
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to change work description to: 400 amp 4 gang meter to serve 4177-4179 oakwood ave and 406-408 alexandria ave
Valuation:
N/A
Permit #:
22041-20002-49067
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert(e) 20 x 32 detached garage to accessory dwelling unit per lamc 12.22 a.33(c) and (d). all work per wfpp
Valuation:
$30,000
Permit #:
21016-20000-59362
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
2 new hosebits
Valuation:
N/A
Permit #:
25042-20000-01277
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
2 new hose bibbs
Valuation:
N/A
Permit #:
25042-20000-00948
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace drywall (no new walls added) for single family dwellings and duplexes only
Valuation:
$1,400
Permit #:
24016-20000-39446
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Upgrade 100 amps electric spot to 200 amps. addition (4) new circuit for kitchen
Valuation:
N/A
Permit #:
24041-20000-55381
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Up date existent 100 amps electric meter for new 200 amps two gangs electric meter
Valuation:
N/A
Permit #:
22041-90000-50917
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Relocate laundry sewer plumbing and put 1/2 copper water lines
Valuation:
N/A
Permit #:
24042-20000-21867
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Upgrade 200 amp for additional (2) gang meter and (2) sub panels
Valuation:
N/A
Permit #:
22041-20000-49067
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1-kitchen remodel no movement of walls and no exterior changes trades seperate
Valuation:
N/A
Permit #:
BB1923888
Status:
final
Fee:
N/A
Permit Type:
Apartment/condo
Building Type:
N/A
Upgrade (e) 100 amp panel to 200 amps
Valuation:
N/A
Permit #:
24041-20000-34289
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Martillos General Construction Co License info
Verified License
| License # | 1060708 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Martillos General Construction Co 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
13
Permits
- Building permit records show that Martillos General Construction Co has worked on 13 permitted projects.
Martillos General Construction Co Employees
IM
Ipolito Marcelo Manuel
Rmo / Ceo / Pres