Updated: Jun 02, 2026
Location and Projects
Address
21701 MONTBURY DRIVE, Lake Forest, CA, 92630
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Dennis Matthew Danahy Architect
Dennis Matthew Danahy, 21701 Montbury Dr, Lake Forest, CA (Employees: Danahy Dennis Matthew and Danahy, Dennis M) holds a Architect license and 4 other licenses according to the Colorado license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Dennis Matthew Danahy, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Dennis Matthew Danahy Services
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Dennis Matthew Danahy Contact Information
Phone Number: (949) 533-8803
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Address: 21701 MONTBURY DRIVE, Lake Forest, CA 92630
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Dennis Matthew Danahy Lake Forest
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Dennis Matthew Danahy has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Dennis Matthew Danahy has worked on at least
5.0 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
|
Home Additions |
Analyzing permits over the last 4 years shows that Dennis Matthew Danahy mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
|
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.
Building Permits by Dennis Matthew Danahy
This is a sample of this contractor's permits. Click here to access their complete permit history.
Major remodel/addition to existing single family dwelling. reframe first floor and new second story addition. new attached 2-car garage. (nfpa 13d sprinklers)
Valuation:
$500,000
Permit #:
23014-10000-02188
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to existing single family dwelling to addition an attached garage and more living space. create an 763-sq.ft. accessory dwelling unit at the 1st floor. **demolition permit (#21019-20000-01342) for (e) garage shall be finalized prior to the issuance the cofo for this permit
Valuation:
$500,000
Permit #:
20010-10000-02588
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**back room johnny wu** **supplemental to 20010-10000-02588 to update the title 24 and include the air handlers on roof plans. **demolition permit (#21019-20000-01342) for (e) garage shall be finalized prior to the issuance the cofo for this permit
Valuation:
$501
Permit #:
20010-10005-02588
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**back room johnny wu** **supplemental to 20010-10001-02588. addition fire sprinkler nfpa 13d to scope of work and structure inventory. no fees dept error** **demolition permit (#21019-20000-01342) for (e) garage shall be finalized prior to the issuance the cofo for this permit
Valuation:
N/A
Permit #:
20010-10004-02588
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**back room johnny wu** **supplemental to 20010-10001-02588 to change the building height to 28'-00 (excluding the stairway housing) **demolition permit (#21019-20000-01342) for (e) garage shall be finalized prior to the issuance the cofo for this permit
Valuation:
$501
Permit #:
20010-10002-02588
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Single family residence - addition low slope roof over exsiting balcony addition (2) heaters @ balcony ceiling
Valuation:
$15,000
Permit #:
XR2024-0599
Status:
final
Fee:
$759
Permit Type:
N/A
Building Type:
N/A
Single family residence - addition low slope roof over exsiting balcony addition (2) heaters @ balcony ceiling
Valuation:
N/A
Permit #:
PC2024-0491
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family residence addition elevator (30 sf) *renew expired permit*
Valuation:
N/A
Permit #:
XR2023-1731
Status:
final
Fee:
$480
Permit Type:
N/A
Building Type:
N/A
Single family residence interior remodel 500 sf and addition 431 sf
Valuation:
$140,000
Permit #:
X2018-3083
Status:
final
Fee:
$2,778
Permit Type:
N/A
Building Type:
N/A
Precise grading for addition & remodel
Valuation:
N/A
Permit #:
ENG20-0543
Status:
final
Fee:
$12,594
Permit Type:
Precise
Building Type:
N/A
Single family residence addition elevator (30 sf)
Valuation:
$56,500
Permit #:
1445-2020
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish garage/interior only
Valuation:
$40,000
Permit #:
BLD21-0333
Status:
final
Fee:
$4,212
Permit Type:
Demolish
Building Type:
N/A
Single family residence detached patio/lanai 354 sf
Valuation:
$60,000
Permit #:
X2018-3084
Status:
final
Fee:
$395
Permit Type:
N/A
Building Type:
N/A
Single family residence addition *change of contractor* 627 sf & remodel 2, 597 sf w/city standard yard drainage
Valuation:
N/A
Permit #:
X2017-0730
Status:
final
Fee:
$33
Permit Type:
N/A
Building Type:
N/A
Addition/remodel
Valuation:
$524,170
Permit #:
BLD20-1902
Status:
final
Fee:
$14,966
Permit Type:
Alters&additions
Building Type:
N/A
**back room johnny wu** **supplemental to 20010-10000-02588 to update survey plan and clarify height of the building. **demolition permit (#21019-20000-01342) for (e) garage shall be finalized prior to the issuance the cofo for this permit
Valuation:
$501
Permit #:
20010-10003-02588
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**back room johnny wu** **supplemental to 20010-10000-02588 to revise floor layout and change from raised floor to slab on grade. (methane zone) **demolition permit (#21019-20000-01342) for (e) garage shall be finalized prior to the issuance the cofo for this permit
Valuation:
$10,000
Permit #:
20010-10001-02588
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Single family residence (n) open beam trellis at (e) 2nd floor balcony (75 sf)
Valuation:
N/A
Permit #:
XR2022-2049
Status:
canceled
Fee:
$379
Permit Type:
N/A
Building Type:
N/A
Single family residence - addition 627 sf and remodel 2597 sf
Valuation:
$320,000
Permit #:
2218-2016
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Office & loft addition and remodel of kitchen laundry & living area
Valuation:
$65,603
Permit #:
00713327-RBPR
Status:
pending
Fee:
$1,245
Permit Type:
N/A
Building Type:
N/A
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Dennis Matthew Danahy Reviews
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Verified License
BuildZoom confirmed this contractor's license
Dennis Matthew Danahy License info
Verified License
| License # | 304662 |
| Status | Active |
| State | Colorado |
| Type | Architect |
| Date Issued | 11-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Dennis Matthew Danahy at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 25132 |
| Status | Active |
| State | Arizona |
| Type | Architect |
- BuildZoom verified this license was active as of June 2025.
Verify this license's status for Dennis Matthew Danahy at the Arizona Board of Technical Registration.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C22701 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of June 2025.
Verify this license's status for Dennis Matthew Danahy at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ARC.00304662 |
| Status | Active |
| State | Colorado |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Dennis Matthew Danahy with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ARC-304662 |
| Status | Active |
| State | Colorado |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of October, 2015. Check the current license status of Dennis Matthew Danahy with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
10
Permits
- Building permit records show that Dennis Matthew Danahy has worked on 10 permitted projects.
Dennis Matthew Danahy Employees
DM
Danahy Dennis Matthew
Owner
DM
Danahy, Dennis M
Owner
DD
Dennis Matthew Danahy
Owner