Updated: May 29, 2026
Location and Projects
Address
5737 KANAN ROAD SUITE 288, Agoura Hills, CA, 91301
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Duncan Construction
Duncan Construction brings over three decades of residential building experience to clients in Agoura Hills and the surrounding areas. The firm handles a range of residential construction projects, including new home builds, remodels, and renovations. Project examples highlight kitchen and bathroom upgrades, additions, and custom home construction, serving both homeowners and property investors. Duncan Construction is locally operated and familiar with the architectural styles and permitting processes unique to the Agoura Hills region. The company manages each phase of construction, from initial planning and design collaboration through to project completion, and is knowledgeable in integrating modern materials and systems into existing homes. Duncan Construction’s portfolio reflects a focus on enhancing property value and optimizing living spaces for clients in Agoura Hills and neighboring Ventura County communities.
Duncan Construction Services
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Duncan Construction Contact Information
Phone Number: (818) 339-7265
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Address: 5737 KANAN ROAD SUITE 288, Agoura Hills, CA 91301
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Duncan Construction Agoura Hills
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Duncan Construction has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Duncan Construction has worked on at least
7.0 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
|
$5k-$20k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $262,500. 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.
(e-plan) tenant improvement alterations to existing facility-dental office: convert existing suite into a dental office (3 055 sq.ft.).note: this project is not an oshpd-3 license facility. rev 1 3/31/25 reworking the existing handicap ramp
Valuation:
$300,000
Permit #:
BLD-2024-01384
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e-plan) electrical for tenant improvement alterations to existing facility-dental office: convert existing suite into a dental office (3 055 sq.ft.).note: this project is not an oshpd-3 license facility
Valuation:
$300,000
Permit #:
ELE-2024-01200
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e-plan) plumbing for tenant improvement alterations to existing facility-dental office: convert existing suite into a dental office (3 055 sq.ft.).note: this project is not an oshpd-3 license facility
Valuation:
$300,000
Permit #:
PLM-2024-00889
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement project name: dr. steven stanley use: dental office (combining unit 2241 and 2245 2241 previously pharmacy) scope of work: new interior alterations of existing retail space. total affected altered square footage area: 2227 restroom(s) to meet title 24 requirements elect work: yes mechanical work: yes plumbing work: yes (mep's pending submittal)
Valuation:
N/A
Permit #:
BLD-2024-02545
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvenent and change of use from warehouse (s-2) with offices (b) to warehouse (s-1) with offices (b-occupancy) and incidental retail (m-occupancy; < 10% floor area) in (e) 2-story type iiib commercial building. comply with department order effective date 12/13/2023. permit will expire 30 days from issuance date. ceis case number is 995857
Valuation:
$50,000
Permit #:
24016-30000-03703
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
$971,252
Permit #:
21-2040/000 000 PLMB 00
Status:
complete
Fee:
$16,892
Permit Type:
Restaurant - new
Building Type:
Commercial planne...
No Description Available
Valuation:
$971,252
Permit #:
21-2040/000 000 MECH 00
Status:
complete
Fee:
$16,892
Permit Type:
Restaurant - new
Building Type:
Commercial planne...
No Description Available
Valuation:
$971,252
Permit #:
21-2040/000 000 ELEC 00
Status:
complete
Fee:
$16,892
Permit Type:
Restaurant - new
Building Type:
Commercial planne...
Change of use from ex bank to day care center for children 2 yrs to kindergarten. this permit includes restriping & elimination of 6 on-site parking stalls per plan. see comments
Valuation:
$376,350
Permit #:
18016-20000-33911
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to (e) core & shell restaurant with new mezzanine above restroom and walk-in cool
Valuation:
$877,500
Permit #:
19014-10000-05774
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior tenant improvement to show room and office space of (e) auto dealership. restripe five parking spaces to reconfigure das parking stall. no change in parking count. see comments
Valuation:
$400,000
Permit #:
16016-20000-05306
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. potable water waste/vent and medium pressure gas. existing meter and rp
Valuation:
N/A
Permit #:
21042-10000-06362
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Suplemental permit to addition (5) floor drains (1) mop sink (1) water heater (1) expansion tank (5) trap primers and connection to sewer (engineering sewer number: 14405-58)
Valuation:
N/A
Permit #:
18042-20001-28563
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for title 24 energy only daycare/preschool facility tenant improvement. total area: 5260 sq ft. b#18016-20000-33911
Valuation:
N/A
Permit #:
18041-20000-45368
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior tenant improvement. for physical therapy office
Valuation:
$72,200
Permit #:
2020-533-P-0-0-0
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement. for physical therapy office
Valuation:
$72,200
Permit #:
2020-533-M-0-0-0
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement. for physical therapy office
Valuation:
$72,200
Permit #:
2020-533-E-0-0-0
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement. for physical therapy office
Valuation:
$72,200
Permit #:
2020-533-B-0-0-0
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New sprinkler system for single family dwelling. 1 water meter
Valuation:
N/A
Permit #:
18042-20000-28563
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior bathroom remodel
Valuation:
$250
Permit #:
18-472/000 000 PR 00
Status:
issued
Fee:
$310
Permit Type:
Office/medical al...
Building Type:
Neighborhood shop...
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Verified License
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Duncan Construction License info
Verified License
| License # | 874204 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Duncan Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 877010 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Duncan Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 878938 |
| 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 Duncan Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 480123 |
| 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 Duncan Construction 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 | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
71
Permits
- Building permit records show that Duncan Construction has worked on 71 permitted projects.
Duncan Construction Employees
DD
Danielle Leanne Duncan
Officer
DD
David Allen Duncan
Ceo / President
JD
Jason Michael Duncan
Rmo / Ceo / Pres
MD
Michael Scott Duncan
Officer
RD
Robert Wayne Duncan
Sole Owner
RD
Ryan Kealdha Duncan
Sole Owner
RD
Ryan Kealdha Duncan, Ryan Kealoha Duncan
Owner
RD
Ryan Kealoha Duncan
Sole Owner