Updated: May 20, 2026
Location and Projects
Address
255 E BRADLEY AVE SPC 80, El Cajon, CA, 92021
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Mao Builder Construction
Serving El Cajon and the surrounding areas, Mao Builder brings 28 years of experience to residential and commercial construction projects. The company manages a range of building services, including home remodels, structural additions, and new construction. Mao Builder specializes in interior and exterior renovations, with a portfolio that includes kitchen and bathroom remodels, as well as custom carpentry and framing. The team is experienced working with homeowners, property managers, and local businesses, delivering projects that address structural repairs, layout modifications, and functional upgrades tailored to each property type. With nearly three decades in the industry, Mao Builder is sought out for projects requiring established building expertise and familiarity with local permit and code requirements in the El Cajon region.
Mao Builder Services
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Mao Builder Contact Information
Phone Number: (619) 493-9462
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Address: 255 E BRADLEY AVE SPC 80, El Cajon, CA 92021
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Mao Builder El Cajon
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mao Builder has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Mao Builder has worked on at least
8.0 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
|
4 projects
|
< $5k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $2,500. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential alteration or addition - plan check-permit
2024-12-05
Cross street: cuaymaca avenue description of work:560 sqft attach glq (basement conversion) for existing single family dwelling 7/14/25 plan change see c of a aw
Valuation:
$75,790
Permit #:
PDS2024-RESALT-010210
Status:
canceled
Fee:
$2,291
Permit Type:
N/A
Building Type:
N/A
Major remodel to existing 2 story single family dwelling with attached garage. exterior and interior remodel
Valuation:
$100,000
Permit #:
24016-10000-35753
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppl. permit to 24014-20000-05195 to revise the dimensions
Valuation:
$501
Permit #:
24014-20001-05195
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to and convert (e) detached garage to accessory dwelling unit per lamc 12.22 a.33(c) and (d)
Valuation:
$25,000
Permit #:
24014-20000-05195
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Delta 4 - addition scope 3 furnaces & minor bathroom layout revision
Valuation:
$0
Permit #:
REV2024-1715
Status:
approved
Fee:
$353
Permit Type:
N/A
Building Type:
N/A
(eplan) rooftop photovoltaic system w battery back up
Valuation:
N/A
Permit #:
00899429-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(eplan) roof mounted photovoltaic system
Valuation:
N/A
Permit #:
00896435-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e-plan) roof mounted photovoltaic system w battery backup
Valuation:
N/A
Permit #:
00850218-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Delta 5 (arch) & 3 4 (struct) revision to alter entry door
Valuation:
$0
Permit #:
REV2024-2413
Status:
approved
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$3,000
Permit #:
BLDR-2024-1261
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gas sewer & electrical outlet for bbq *subject to field inspection*
Valuation:
N/A
Permit #:
00727717-RMO
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
8 ft block wall for bbq
Valuation:
N/A
Permit #:
00727824-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Freestanding trellis
Valuation:
N/A
Permit #:
00724814-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing water heater like for like---stj---epermit--6697
Valuation:
$0
Permit #:
103765
Status:
Completed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition 250 sf bed/bath; 192 sf den; total 442 sf
Valuation:
$38,454
Permit #:
COMB980111
Status:
final
Fee:
$1,584
Permit Type:
N/A
Building Type:
N/A
Above ground spa connection
Valuation:
N/A
Permit #:
00183993-MISC
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical (residential) - alteration model repair
2025-12-05
1-one new battery panel in (e) garage. 2-one 25.2kwh mobile battery system. 3-one exterior electrical outlet pedestal
Valuation:
$2,000
Permit #:
ELER-25-0247
Status:
plancheck
Fee:
$251
Permit Type:
N/A
Building Type:
N/A
Residential building report (this report is optional)
2020-01-29
No Description Available
Valuation:
N/A
Permit #:
RBR20-0020
Status:
rejected
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Projects
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Verified License
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Mao Builder License info
Verified License
| License # | 1095412 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mao Builder at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
13
Permits
- Building permit records show that Mao Builder has worked on 13 permitted projects.
Mao Builder Employees
MO
Marco Antonio Otero
Sole Owner