Updated: Nov 07, 2025
Location and Projects
Address
10327 Mapledale St, Bellflower, CA, 90706
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on Site Development Construction
on Site Development, 10327 Mapledale St, Bellflower, CA (Owned by: Edgar James De Cordova) holds a General Building, Electrical, Plumbing license and 9 other licenses according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring on Site Development, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
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on Site Development Contact Information
Phone Number: (323) 794-3850
Address: 10327 Mapledale St, Bellflower, CA 90706
on Site Development Bellflower
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
on Site Development has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
7 projects
|
2024 |
|
4 projects
|
2023 |
|
8 projects
|
2022 |
Our building permit records indicate that on Site Development has worked on at least
23.0 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
|
6 projects
|
Commercial Renovations |
|
5 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that on Site Development mostly works on
commercial renovation
and new construction
projects.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
3 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
3 projects
|
$1mil+ |
The typical size of their permits is approximately $31,018. 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.
Tenant improvement: alter vacant space for (n) restaurant (2 400 sf). (n) non-bearing partitions equipment cooking exhaust hoods mua unit on roof and (n) extension. patio seating w fence & steel posts (304 sf); alcohol to be served per cpc-2016-5001-zc-hd-cub-cu-spr
Valuation:
$150,000
Permit #:
23016-20000-25931
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
The purpose of the submittal is to remodel an existing popeyes restaurant at 498 east 4th street perris ca 92570. the scope of work for this submittal is limited to a full interior and exterior remodel of an existing single story commercial building at the southeast corner of 4th street & wilkerson avenue for the continued use as a quick-serve restaurant. site work limited to trash en... see more
Valuation:
$600,000
Permit #:
PMT22-02183
Status:
issued
Fee:
$8,342
Permit Type:
N/A
Building Type:
N/A
An addition at the rear of the existing one story restaurant and kitchen updates with expansion per za 2010-1778(zv)(pa1)
Valuation:
$500,000
Permit #:
21014-10000-05130
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New restaurant (chick- fil-a) 3, 578 sf patio 28.22 x 19 536.18 sf omd pick up canopy 31.5 x 61 1, 921.5 sf drive thru canopy 25.6 x 54 1, 382.4 sf e/m/p and soils 3 roof top a/cs (cu-20-9)
Valuation:
$1,100,000
Permit #:
B-21-386
Status:
issued
Fee:
$26,629
Permit Type:
N/A
Building Type:
N/A
Title 24 plan check for energy only. scope of work includes new lighting fixtures new lighting fixture controls new power devices and new circuits. total area is 2, 544 sf. ***building permit (23016-20000-25931) work description**** tenant improvement: alter vacant space for (n) restaurant (2, 400 sf). (n) non-bearing partitions equipment cooking exhaust hoods mua unit on roof and (n)... see more
Valuation:
N/A
Permit #:
23041-20000-49500
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplanla] electrical design for a new chick-fil-a restaurant. plan check for power and energy 1 200a 120/208v 3 ph 4w supply 7 sub-panels lighting and power total lighting area: 22 201 sq ft. b#23010-10000-02171
Valuation:
N/A
Permit #:
23041-10000-37970
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
(n) restaurant with outdoor patio area
Valuation:
$1,700,000
Permit #:
23010-10000-02171
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to ex mcdonald's restaurant portion of ex building to include structural electrical and plumbing. ( building is a chevron food mart mc donalds combo)
Valuation:
$150,000
Permit #:
K202107381
Status:
final
Fee:
$3,283
Permit Type:
N/A
Building Type:
N/A
Chick-fil-a: >>gas line for canopy overhead heaters<< construct (1408 sq ft) canopy for drive-thru area (order canopy) and (407 sq ft) canopy for meal delivery area (outside meal delivery canopy). <<**no plan check fees paid submitted with re-submittal package**>>
Valuation:
N/A
Permit #:
PLM21-00250
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Chick-fil-a (new retail shell (3, 705 sq ft))tenant specific grading plans low impact development is under whole lot precise grading plans under grd19-00036.>>cup18-00032<<
Valuation:
$1,100,000
Permit #:
GRD20-01008
Status:
final
Fee:
$4,612
Permit Type:
N/A
Building Type:
N/A
Chick-fil-a: new retail shell (3, 705 sq ft) w chick-fil-a tenant improvement >>cup18-00032<< **building sewer not included**
Valuation:
$1,100,000
Permit #:
PLM20-01057
Status:
final
Fee:
$1,749
Permit Type:
N/A
Building Type:
N/A
New 1 story restaurant with uncovered and covered outdoor dining. hours of operation shall be 5 am - midnight. see comments
Valuation:
$692,990
Permit #:
17010-10000-00094
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to convert existing drive thru restaurant to chik-fil-a drive thru restaurant. enclose covered area; parking lot work with no change in number of required parking stalls
Valuation:
$414,700
Permit #:
18016-10000-15307
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Chick-fil-a: sewer connection only (lacsd 7376002045)
Valuation:
N/A
Permit #:
PLM21-00754
Status:
issued
Fee:
$112
Permit Type:
N/A
Building Type:
N/A
Chick-fil-a: new retail shell (3, 705 sq ft) w chick-fil-a tenant improvement >>cup18-00032<<
Valuation:
$1,100,000
Permit #:
ELE20-01074
Status:
final
Fee:
$1,766
Permit Type:
N/A
Building Type:
N/A
Supplemental. changes to an approved set. supplemental changes under delta 12 only. scope of changes is revision of notes revision of light fixture schedule equpment schedule revision of power and branch circuit locations. ******************************************************************************* full plan check for a new 1-story restaurant with a 1200 amp 120/208v 3ph 4w. scope ... see more
Valuation:
N/A
Permit #:
19041-10002-00987
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to approved plan to for added fixtures relocation of fixtures change in pipe material. original plans.potable water with booster pump and waste and vent. includes grease interceptor. 1.5 water meter with 2 backflow device. note: permits includes the permit fees for original approved plans under application #19042-10000-00679
Valuation:
N/A
Permit #:
19042-10001-00679
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement conversion of existing yoshinoya to jack in the box.replacie floor sinks kitchen sinks lavatories toielets other fixtures water heater vacuum breaker hose bib back flow device onsite wate distribution repipe trap primers exisiting grease trap and repair waste vent
Valuation:
N/A
Permit #:
19042-10000-14471
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New 1-story restaurant with drive-thru
Valuation:
$1,200,000
Permit #:
19010-10000-00098
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to (e) restaurant and exterior remodel
Valuation:
$273,800
Permit #:
19016-10000-21564
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
on Site Development License info
Verified License
| License # | 569390 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2025.
Verify this license's status for on Site Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 399424 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2025.
Verify this license's status for on Site Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 0058541 |
| Status | Active |
| State | Nevada |
| Type | B 2 Residential And Small Commercial |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for on Site Development at the Nevada State Contractors Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4143 |
| Status | Active |
| City | Fontana |
| Type | 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 on Site Development with the The City of Fontana, CA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4841 |
| Status | Active |
| City | Fontana |
| Type | 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 on Site Development with the The City of Fontana, CA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 58541 |
| Status | Active |
| State | Nevada |
| Type | B2 - Residential And Small Commercial |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of on Site Development with the Nevada State Contractors Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 624976 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for on Site Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1018829 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for on Site Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 903256 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for on Site Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 983002 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for on Site Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
282
Permits
- Building permit records show that on Site Development has worked on 282 permitted projects.
on Site Development Employees
BO
Bill Marc O'brien
Sole Owner
EC
Edgar James De Cordova
Owner
EA
Edgar James De Cordova, Narciso Antonio Alvarez
Owner
JF
James Parker Fry
Sole Owner
JD
Janus, John David
Vice President
JJ
John Janus
Officer
KK
Karen Klebba
Officer
KB
Klebba, Karen B
Secretary
KS
Klebba, Robert Steven
President Qualified
MK
Michael Laurence Kirk
Sole Owner
NA
Narciso Antonio Alvarez
General Partner
RK
Robert Steven Klebba
Rmo / Ceo / Pres