Updated: Jun 12, 2026
Location and Projects
Address
4090 Mission Blvd, San Diego, CA, 92109
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Custom Development Construction
Custom Development, 4090 Mission Blvd, San Diego, CA (Owned by: William Robert Clapperton) holds a General Building license and 4 other licenses according to the California license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Custom Development, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Custom Development Services
Start a project today:
Custom Home Build
New Home Construction
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Pole Barn
ADU
Small Multi-Family New Cons...
Small Multi-Family Remodel ...
Whole Home Remodel
Modular Home Construction
Pool House
Other Secondary Structure N...
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Custom Development Contact Information
Phone Number: (858) 581-5678
Address: 4090 Mission Blvd, San Diego, CA 92109
Custom Development San Diego
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Custom Development has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Custom Development has worked on at least
6.0 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
|
$500k-$1mil |
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.
Mission valley - building electrical mechanical and plumbing permits for a tenant improvement to an (e) occupancy b-office space for a hair salon. scope of work to include: demolish interior partition walls new interior partitions doors glazing (n) ductwork (n) plumbing fixture units & associated meps. interior work only. emx/of-1-1; fire brush management esls pcd 95-0368 geo haz 31 t... see more
Valuation:
$828,438
Permit #:
2536802
Status:
complete
Fee:
$10,435
Permit Type:
Add/alt tenant im...
Building Type:
N/A
La jolla: combination building permit to an existing single family residence. work to include construction of new master suite addition new accessory structure adu over basement new retaining walls new pool terrace sitework cdp/sdp# #639439 base zone rs-1-2 n-app-1 esl fire brush geo haz 53
Valuation:
$253,944
Permit #:
2511270
Status:
issued
Fee:
$8,004
Permit Type:
Add/alt companion...
Building Type:
N/A
Replace existing kitchen cabinets, like for like. replace existing exterior door off of kitchen, replace linoleum floor with tile, install 5 led lights. “water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1, 1994 are exempt).” carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$31,500
Permit #:
RES-1714444
Status:
final
Fee:
$389
Permit Type:
N/A
Building Type:
N/A
Ti: salon properties llc non-structural; existing m occupancy proposed b
Valuation:
N/A
Permit #:
B22-0685
Status:
issued
Fee:
$5,970
Permit Type:
Tenant improvemen...
Building Type:
N/A
Non structural bathroom remodel to include tub & surround replacement flooring vanity and toilet. plumbing subject to field inspection. carbon monoxide & smoke alarms required. reference crc sections r315 & r314 water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are exempt).”
Valuation:
$7,975
Permit #:
RES-1806650
Status:
final
Fee:
$304
Permit Type:
N/A
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2018-10-15
Kitchen remodel remove wall between entry and dining room install beam with footing below move wall between kitchen and bedroom install recessed beam remodel kitchen replace 3 windows sb407 required
Valuation:
$27,081
Permit #:
BLD18-02232
Status:
complete
Fee:
$654
Permit Type:
Alteration
Building Type:
N/A
Remodel bathroom remove raised tub replace shower shower surround vanity linoleum. replace like for like. no tub. carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$26,000
Permit #:
RES-1807969
Status:
final
Fee:
$348
Permit Type:
N/A
Building Type:
N/A
Building (non-residential) - commercial remodel
2020-02-28
No Description Available
Valuation:
$560,000
Permit #:
B00-093-356
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel r/r shower pan surround & valve
Valuation:
$9,550
Permit #:
1805-0258
Status:
final
Fee:
$253
Permit Type:
Alteration/remodel
Building Type:
N/A
Install - (7) retrofit windows & (2) patio door
Valuation:
$13,000
Permit #:
1804-0096
Status:
final
Fee:
$241
Permit Type:
Window - retrofit
Building Type:
N/A
Residence. violation. bathroom tub surround and tub valve replacement and surrounding finishes
Valuation:
$6,000
Permit #:
CBAR2019-00103
Status:
complete
Fee:
$574
Permit Type:
Minor alteration ...
Building Type:
N/A
Replace tub with shower
Valuation:
$12,000
Permit #:
-0306887
Status:
issued
Fee:
$175
Permit Type:
Alteration/repair
Building Type:
N/A
Residence. hall bathroom replace the tub with a shower and cabinet. replace vanity top sink and fixtures
Valuation:
$11,375
Permit #:
CBAR2017-01349
Status:
complete
Fee:
$278
Permit Type:
Minor alteration ...
Building Type:
N/A
Mission beach: building permit: no plan for re-stucco to an existing mdu
Valuation:
N/A
Permit #:
PMT-3317023
Status:
issued
Fee:
$892
Permit Type:
N/A
Building Type:
N/A
Remove soffit above tub rebuild ceiling convert tub to shower new lights fan in hall bathroom
Valuation:
$10,000
Permit #:
CBAR2018-00507
Status:
complete
Fee:
$294
Permit Type:
Alteration - remodel
Building Type:
N/A
Hall bathroom remodel - new vanity countertop sink tub wc lighting fan (like forlike)
Valuation:
$9,000
Permit #:
CBAR2018-00454
Status:
complete
Fee:
$280
Permit Type:
Alteration - remodel
Building Type:
N/A
Res-replace toilet vanity and sink tub surround shower valve and existing lighting
Valuation:
$13,000
Permit #:
CBAR2018-00058
Status:
complete
Fee:
$293
Permit Type:
Minor alteration ...
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2018-04-12
Remove and replace all windows and 3 sliding doors - like for like
Valuation:
$25,000
Permit #:
BLD18-01359
Status:
complete
Fee:
$258
Permit Type:
Alteration
Building Type:
N/A
Approval - construction - right of way pmt-const plan
2024-03-18
Approval - construction - right of way pmt-const plan:3903/haines
Valuation:
N/A
Permit #:
PMT-3173806
Status:
issued
Fee:
$868
Permit Type:
N/A
Building Type:
N/A
Change tub to shower with new surround and 2 drain
Valuation:
$3,500
Permit #:
CBAR2018-00124
Status:
complete
Fee:
$164
Permit Type:
Minor alteration ...
Building Type:
N/A
Custom Development Reviews
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Custom Development License info
Verified License
| License # | 955326 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Partnership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Custom 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 # | 798537 |
| Status | Inactive |
| State | California |
| Business Type | Sole Ownership, Partnership |
- 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 Custom 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 # | 496285 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Partnership |
- 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 Custom 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 # | 360567 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Partnership |
- 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 Custom 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 # | 798537 |
| Status | Inactive |
| State | California |
| Type | Glazing |
| Business Type | Sole Ownership, Partnership |
- 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 Custom Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
117
Permits
- Building permit records show that Custom Development has worked on 117 permitted projects.
Custom Development Employees
CC
Christina Black Clapperton
Officer
WC
William Robert Clapperton
Owner