Updated: Jan 12, 2026
Location and Projects
Address
12146 CALIFORNIA_ST #2, Yucaipa, CA, 92399
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Blackwell Development Construction
Blackwell Development Inc, 12146 California_st, Yucaipa, CA (Employees: Gary Burton Blackwell, Gerardo Lopez, and Gerardo Lopez) holds a General Building license according to the California license board.
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Blackwell Development Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Blackwell Development Inc Services
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Blackwell Development Inc Contact Information
Phone Number: (818) 572-7200
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Address: 12146 CALIFORNIA_ST #2, Yucaipa, CA 92399
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Blackwell Development Inc Yucaipa
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Blackwell Development Inc has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
7 projects
|
2025 |
|
4 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Blackwell Development Inc has worked on at least
15.0 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
|
Commercial Renovations |
|
3 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Blackwell Development Inc mostly works on
commercial renovation
and new construction
projects.
Pricing
|
5 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
5 projects
|
$1mil+ |
The typical size of their permits is approximately $35,500. 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.
Building Permits by Blackwell Development Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement building a 17 673 ft to include interior and exterior demolition
Valuation:
$1,329,893
Permit #:
BP-2024-17968
Status:
issued
Fee:
N/A
Permit Type:
Schools and other...
Building Type:
N/A
Tenant improvement 5 761 ft building b *reference master plan bp-2024-17269
Valuation:
$433,515
Permit #:
BP-2024-17970
Status:
in review
Fee:
N/A
Permit Type:
Schools and other...
Building Type:
N/A
Building a site improvements reference master plan bp-2024-17269
Valuation:
$304,120
Permit #:
BP-2024-17971
Status:
complete
Fee:
N/A
Permit Type:
Schools and other...
Building Type:
N/A
Change of use from (e) 119'5 x 174'8 (20 857 sq.ft. ) office to charter school for middle school reinforce ceiling framing at 1st floor fiber wrap reinforcement throughout nfpa-13 fire sprinklers throughout all work per engineering - see comments
Valuation:
$3,000,000
Permit #:
20014-20000-02159
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement of existing gymnasium building. no change in use or occupancy. voluntary accessibility improvements to bathroom facilities. energy upgrades including removal and replacement of existing exterior windows and doors per energy code. upgrades to mechanical and electrical systems per separate permit. no structural work
Valuation:
$30,000
Permit #:
23016-10000-44655
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to addition partition walls to increase computer lab area
Valuation:
$100,000
Permit #:
24016-10000-17207
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition a recessed retractable projection screen within an existing ceiling at the exterior patio covered parking structure. repair existing stucco
Valuation:
$3,000
Permit #:
25016-10000-00606
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvementsto building m. improvement of approximately 1 900 sqft of tenant space (e-occupancy) to create two additional classrooms within the footprint of exisiting school building m. remodel of restrooms and additions of plumbing fixtures. all wallls to be removed on are non-load bearing. no structural work needed no change to (e) parking. no change to student enrollment
Valuation:
$123,500
Permit #:
22016-10000-37859
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New construction of a two story type v -b elementary classroom building per cpc-2023-3232-cu-zaa
Valuation:
$1,430,000
Permit #:
23010-10000-04361
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to (e) one story administration office building. new interior non bearing partition walls & remove (e) one exterior window & repace with new door. no change in use or occupancy
Valuation:
$75,000
Permit #:
24016-10000-02247
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Building b site improvements reference master plan bp-2024-17269
Valuation:
$116,903
Permit #:
BP-2024-18248
Status:
complete
Fee:
N/A
Permit Type:
Schools and other...
Building Type:
N/A
Supplemental to 20014-20000-02159 to addition new 28'10 x20'2 three stories exterior stairs elevator tower and elevator machine room to charter school all work per engineering
Valuation:
$166,000
Permit #:
20014-20002-02159
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 22048-10000-02311 to revise description of work to read new painted externally illuminated wall sign \( 16'-1 1/2 x 14'-4 ) at 30'-0 3/8 above grade to bottom of sign (231 sf)
Valuation:
$501
Permit #:
22048-10001-02311
Status:
final
Fee:
N/A
Permit Type:
Onsite
Building Type:
N/A
Onsite utility improvements - sewer and new grease interceptor
Valuation:
$80,000
Permit #:
BP-2025-04337
Status:
complete
Fee:
N/A
Permit Type:
Schools and other...
Building Type:
N/A
Relocate (e) fence replace (e) soft surface remove (e) concrete ramp addition a new wheelchair lift and replace (e) concrete [no new work to the (e) 1-story building]
Valuation:
$40,000
Permit #:
23026-20000-00008
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Site grading for new construction of a two story type v -b elementary classroom building including removal and recompact. cut=100 c.y. fill = 295 c.y removal & recompact 1 020 c.y
Valuation:
$1,315
Permit #:
23030-10000-06803
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior non-structural improvements and change of use from a grade 6 through 7 charter school to a grades k through 5th charter school in an existing boys & girls club. no change in parking
Valuation:
$200,000
Permit #:
20016-20000-18696
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change of use for existing one story state approved charter school (4) classrooms type vb to include elementary and middle school (k-8). no addition of floor area. no enrollment increase. no change in ingress egress
Valuation:
N/A
Permit #:
22016-10000-08671
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Residential alteration or addition - plan check-permit
2025-02-03
Cross street: laurel st description of work: 6660 sqft single family dwelling demolition permit -- note: _ it may not be possible to rebuild. _ the fact that there was an existing structure on your lot does not guarantee that you will be able to replace it if it is demolished. existence of a structure does not grandfather its use if it is removed. please see the zoning counter at the ... see more
Valuation:
N/A
Permit #:
PDS2021-RESALT-014010
Status:
complete
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Tenant improvement - proposed primary care facility
Valuation:
$1,095,000
Permit #:
B2206-210
Status:
final
Fee:
$8,650
Permit Type:
Tenant improvement
Building Type:
N/A
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Blackwell Development Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Blackwell Development Inc License info
Verified License
| License # | 1070521 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Blackwell Development Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
19
Permits
- Building permit records show that Blackwell Development Inc has worked on 19 permitted projects.
Blackwell Development Inc Employees
GB
Gary Burton Blackwell
Officer
GL
Gerardo Lopez
Officer
GL
Gerardo Lopez
Officer
WM
William Robert Maine
Rme