Updated: Apr 06, 2026
Location and Projects
Address
12722 Norris Ave, Sylmar, CA, 91342
Use our bidding system to
request a quote
Warren Development Construction
Serving clients throughout Sylmar and the greater Los Angeles area, Warren Development LLC has been active in the residential construction sector for 2 years. The company focuses on a range of home improvement and construction services, managing projects that include custom home builds, additions, remodels, and accessory dwelling units (ADUs). Warren Development LLC’s portfolio highlights various single-family home upgrades, including kitchen and bathroom remodels and the construction of new living spaces. The company uses recognized building methods that meet California code standards and is experienced in guiding homeowners from initial planning through project completion. Warren Development LLC emphasizes clear project management and coordination with clients during each phase of construction.
Warren Development Services
Start a project today:
Warren Development Contact Information
Phone Number: (818) 523-0695
Address: 12722 Norris Ave, Sylmar, CA 91342
Warren Development Sylmar
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Warren Development has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
11 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Warren Development has worked on at least
13.0 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
|
3 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
2 projects
|
$50k-$100k |
The typical size of their permits is approximately $9,000. 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.
***lost set of plans. full recheck for a new 2 story 6-unit apartment building. scope is installation of 600a 120/240 1ph 3w service switchboard house panels unit panels elevator ev chargers outlets lighting and lighting controls. area 8298 sqft for energy compliance. *** b# 17010-20000-04983: (n) 2-story type v-a 6-unit apartment building over 1-story type i-a garage (nfpa-13 fire sp... see more
Valuation:
N/A
Permit #:
22041-10001-00386
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 21 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... see more
Valuation:
$81,200
Permit #:
24016-90000-18061
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b roof covering 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... see more
Valuation:
$7,800
Permit #:
24016-90000-26187
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Convert (e) attached garage (447sqft) and portion of (e) single family dwelling (339sqft) at lower level to accessory dwelling unit (786sqft) per gcs 65852.2(e)(1) (p) 199sqft addition & 372sqft carport at front for building (p) open trellis (162sqft) at rear building
Valuation:
$100,000
Permit #:
23014-20000-00634
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Demolition of (e) single family dwelling and attached carport by handwreck method. clear and fence the lot. sewer cap require
Valuation:
$12,000
Permit #:
23019-10000-03511
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert existing attached garage into junior accessory dwelling unit per gcs 65852.2(e)(1)(a) and 65852.22 - per engineer
Valuation:
$50,000
Permit #:
24016-20000-33750
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 24014-10001-02719 to change contractor from provecta group inc (1105860) to warren development llc (1098736)
Valuation:
N/A
Permit #:
24014-30002-02719
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bathroom (2 ) remodel for residential buildings (no structural changes)
Valuation:
$8,000
Permit #:
25016-20000-17821
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
****no fee department error**** supplemental to 23014-20000-00634 to: 1 addition patio cover in use code section 2 update u and r3 occ. in inventory
Valuation:
N/A
Permit #:
23014-10002-00634
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition new recessed lighting and exhaust fan for bathrooms
Valuation:
N/A
Permit #:
25041-90000-25399
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Kitchen bathroom remodel
Valuation:
N/A
Permit #:
24042-90000-12573
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to 23014-20000-00634 to revise floor plan to addition two washer dryer closets to single family dwelling and adu
Valuation:
$5,000
Permit #:
23014-10001-00634
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 17010-10001-04983 to change contractor from milestone design & development inc (982639) to warren development llc (1098736)
Valuation:
N/A
Permit #:
17010-10003-04983
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
New branch circuit incidental to the installation of a solar water heating system under permit
Valuation:
N/A
Permit #:
25042-90000-10344
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install 4-tons at each unit and at the gym in a 6-apt building for a total of 28 tons
Valuation:
N/A
Permit #:
25044-10000-00669
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Potable water waste-vent and gas systems. 2 domestic water meter
Valuation:
N/A
Permit #:
22042-20000-00195
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install new 3 ton and 5 ton heat pump units and run new ducting
Valuation:
N/A
Permit #:
24044-90000-11826
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replacement of 3 exhaust fans
Valuation:
N/A
Permit #:
25044-70000-12854
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replacement of 3 toilets 3 alvatory sinks 1 kitchen sinks 2 shower valves and 2 shower drains
Valuation:
N/A
Permit #:
25042-70000-20510
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Structural revision for updated foundation design for caisons
Valuation:
$501
Permit #:
24014-20001-02528
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Warren Development Reviews
BuildZoom hasn't received any reviews for Warren Development. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Warren Development License info
Verified License
| License # | 1098736 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Ltd Liability |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Warren Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Berkshire Hathaway Direct Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $100,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
13
Permits
- Building permit records show that Warren Development has worked on 13 permitted projects.
Warren Development Employees
DD
Derek Warren Davies
Member
JN
Jonathan Negreros
Rmm
JN
Jonathan Negreros
Rmm