Updated: Jul 10, 2026
Location and Projects
Address
4418 LA MADERA AVENUE, El Monte, CA, 91732
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JG Builders Construction
Based in El Monte, JG Builders serves clients throughout the San Gabriel Valley and greater Los Angeles area. With 18 years of experience, the company specializes in residential construction projects, including home additions, remodeling, and new construction. JG Builders manages both interior and exterior renovations, offering services that range from kitchen and bathroom remodels to garage conversions and custom home builds. The firm's portfolio demonstrates experience with single-family homes, focusing on functional upgrades as well as complete transformations. JG Builders works closely with homeowners on planning and construction, coordinating each phase from initial design concepts through final project completion. The company prioritizes open communication, working directly with clients to deliver tailored construction solutions that meet local building regulations.
JG Builders Services
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JG Builders Contact Information
Phone Number: (818) 338-5900
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Address: 4418 LA MADERA AVENUE, El Monte, CA 91732
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JG Builders El Monte
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JG Builders has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
7 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that JG Builders has worked on at least
12.0 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.
Experience
|
5 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that JG Builders mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
4 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $50,000. 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.
(n) 23'-0 x 16'-6 one story detached accessory dwelling unit per gcs 65852.2(e)(1)(b) and gcs 65852.2(e)(1)(d) and lamc 12.22 a.33(c) (d) and (g). all work per eng
Valuation:
$60,000
Permit #:
23010-20000-01033
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e) detached 20'-4"x13'-2 garage and (e) detached 13'-1"x16'-3 recreation room to a detached adu per state law. total adu = 435 sq.ft
Valuation:
$35,000
Permit #:
21016-10000-43748
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Adu - demolish (e) rec room building (n) 410 sf 1-story detached adu
Valuation:
$50,000
Permit #:
BLD25-0078
Status:
pending agency approvals
Fee:
$1,322
Permit Type:
N/A
Building Type:
N/A
Convert existing 24'-4 x 17'-3 detached garage to adu per lamc 12.22a33 (c) & (d) - per engineer
Valuation:
$50,000
Permit #:
23016-20000-03841
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to and convert (e) detached garage to adu per lamc 12.22a33(c) & (d) in the rear of the lot
Valuation:
$50,000
Permit #:
22014-30000-03968
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan check only. sewage ejector system. permit fees paid under 23016-20000-03841
Valuation:
N/A
Permit #:
24042-10000-02829
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppl. permit to 22016-30000-17533 to capture junior accessory dwelling unit affidavit
Valuation:
$501
Permit #:
22016-20001-17533
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert 1-story detached garage to adu w/addition per lamc 12.22 a.33(c) & (d)
Valuation:
$60,000
Permit #:
23014-30000-04435
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Attached garage conversion to jadu per gcs 65852.2(e)(1)(a) and 65852.22
Valuation:
$35,000
Permit #:
22016-30000-17533
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e) detached garage and rec room into accessory dwelling unit
Valuation:
$25,000
Permit #:
20016-20000-13770
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Grading 6 cy for (n) 410 sf 1-story detached adu
Valuation:
N/A
Permit #:
GRD25-0011
Status:
filed
Fee:
$403
Permit Type:
N/A
Building Type:
N/A
New 370 sqft adu - formed by remodeling existing garage: combined kitchen/living/sleeping room laundry hookups and closet 3/4 bathroom. 20 sqft awning at adu front entr
Valuation:
$54,850
Permit #:
1910020007
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert (e) 20'-1 x 24'-5 attached garage to (n) accessory dwelling unit per ab 494 and sb 229. all work per wfpp
Valuation:
$30,000
Permit #:
19016-20000-01269
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to pcis#23014-30000-04435 to correct the address for the adu. no fee. department error
Valuation:
N/A
Permit #:
23014-30001-04435
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 400 amp two gang electrical meter
Valuation:
N/A
Permit #:
22041-90000-45171
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert the (e) 18'11 x 20'1 attached garage into a (n) accessory dweling unit as per ab 494 and sb 229. all work per wfpp
Valuation:
$20,000
Permit #:
19016-20000-03301
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e) 20'-2 x 21'-5 detached garage to (n) accessory dwelling unit per ab 494 and sb 229. all work per wfpp
Valuation:
$20,000
Permit #:
18016-20000-36220
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(e) garage conversion to accessory dwelling unit (363 sq ft) per ab494 and sb229. per la standard wfpp
Valuation:
$50,000
Permit #:
18016-30000-32149
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Seismic gas shutoff valve
Valuation:
N/A
Permit #:
22042-90000-19058
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 18016-10000-19639: revise framing for steel stairs and guard rails on 2nd floor
Valuation:
N/A
Permit #:
18016-10002-19639
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
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JG Builders License info
Verified License
| License # | 1049536 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for JG Builders 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-F114394-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership, Corporation |
- 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 JG Builders at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 971114 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, 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 JG Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 823366 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, 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 JG Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Scottsdale Insurance Company |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Benchmark Insurance Company |
35
Permits
- Building permit records show that JG Builders has worked on 35 permitted projects.
JG Builders Employees
FZ
Farzad Zamani
Member
FZ
Farzad Zamani
Member
JJ
John Joseph Goossen Jr
Owner
JR
Jose Guadalupe Ramirez
Rmo / Ceo / Pres
KR
Kamyar K Rezaie
Member