Updated: Jun 02, 2026
Location and Projects
Address
1624 S Leyden St, Denver, CO, 80224
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Maggie Thomson Janco Architect
Maggie Thomson Janco, 1624 S Leyden St, Denver, CO holds a Architect license and 2 other licenses according to the Colorado license board.
Their BuildZoom score of 103 ranks in the top 10% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Maggie Thomson Janco, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Maggie Thomson Janco Services
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Maggie Thomson Janco Contact Information
Phone Number: (303) 396-5474
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Address: 1624 S Leyden St, Denver, CO 80224
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Maggie Thomson Janco Denver
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Maggie Thomson Janco has a BuildZoom score of 103, which places them above 90% of 55,949 contractors in Colorado.
Activity
|
4 projects
|
2025 |
|
5 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Maggie Thomson Janco has worked on at least
13.0 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
|
6 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Maggie Thomson Janco mostly works on
home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
4 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
The typical size of their permits is approximately $90,500. 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.
969 n detroit st - single family residence - lg addition - basement digout garage and basement addition basement dig-down approved administrative adjustment 2024-zr-0000050
Valuation:
$417,000
Permit #:
2025-LOG-0002472
Status:
approved
Fee:
$1,273
Permit Type:
N/A
Building Type:
N/A
6000 e colfax ave - chg of use-city floral garden ctr - renovations renovation of an existing (1-story plus partial basement) building from the 1950's. the building has most recently served as a dry cleaner but has been vacant for years. the scope of work includes minimal reconfiguration and renovation to function as a retail fulfillment outpost of the city floral garden center
Valuation:
$210,000
Permit #:
2023-LOG-0010610
Status:
approved
Fee:
$693
Permit Type:
N/A
Building Type:
N/A
2nd story front addition including 2nd floor front porch rear 2-story addition new carport
Valuation:
$251,095
Permit #:
2024-LOG-0003247
Status:
approved
Fee:
$811
Permit Type:
N/A
Building Type:
N/A
3781 n gilpin st - urban house; primary residential single unit dwelling addition rear addition (b 1 2) on an existing 2-story plus cellar house
Valuation:
$334,500
Permit #:
2022-LOG-0010821
Status:
approved
Fee:
$1,043
Permit Type:
N/A
Building Type:
N/A
Renovation of existing 969 detroit st that is over the property line onto 971 detroit st (see also 2025-log-0002472)
Valuation:
$16,000
Permit #:
2025-LOG-0004673
Status:
approved
Fee:
$74
Permit Type:
N/A
Building Type:
N/A
Modified drawings to an active rescon permit. during construction it was determined that the basement stair could be flipped to achieve the clients’ desired configuration with minimal structural modifications
Valuation:
N/A
Permit #:
2024-LOG-0010107
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
955 n saint paul - floorplan & shoring (mod dwg 2023-rescon-0000324 & 2023-rescon-0000325) modification to an approved permit. flipped new basement stair orientation to eliminate shoring at this location. no change to sf of original project
Valuation:
N/A
Permit #:
2023-LOG-0010165
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Minimum rear setback for attached garage following detached garage building form standards. the minimum required setback is 5
Valuation:
N/A
Permit #:
2024-ZR-0000050
Status:
closed approved
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Garage addition and related interior renovation (zoning only submission for administrative adjustment request)
Valuation:
N/A
Permit #:
2024-LOG-0001067
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Log in required for zoning and stair enclosure modifications. expansion and renovation of an existing unisex restroom wall reconfiguration at stairs and exterior wall
Valuation:
$4,500
Permit #:
2021-PLUMB-0001220
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
Commercial
Log in required for zoning and stair enclosure modifications. expansion and renovation of an existing unisex restroom wall reconfiguration at stairs and exterior wall
Valuation:
$500
Permit #:
2021-MECH-0001012
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Commercial
Modified drawings - removal of a dumpster from plans. owner will use an existing dumpster on an adjacent property instead
Valuation:
N/A
Permit #:
2024-LOG-0009018
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
One room 2nd story addition renovation to addition a bathroom on 2nd floor
Valuation:
$90,000
Permit #:
2023-LOG-0013751
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
155 w archer pl - single family residence - sm addition 190 sf rear addition to a single-family residence
Valuation:
$68,580
Permit #:
2024-LOG-0007817
Status:
approved
Fee:
$277
Permit Type:
N/A
Building Type:
N/A
Rear addition
Valuation:
$90,500
Permit #:
2025-LOG-0009023
Status:
approved
Fee:
$354
Permit Type:
N/A
Building Type:
N/A
861 sf 1-story rear addition to single family residence
Valuation:
$125,000
Permit #:
2021-LOG-0011267
Status:
approved
Fee:
$455
Permit Type:
N/A
Building Type:
N/A
One room 2nd story addition renovation to addition a bathroom on 2nd floor
Valuation:
N/A
Permit #:
2024-RESCON-0000223
Status:
final
Fee:
$700
Permit Type:
N/A
Building Type:
N/A
Interior dental office renovation and expansion into a vacant suite
Valuation:
$110,000
Permit #:
2020-LOG-0002301
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2nd story addition and garage addition - submitting zoning only for denial to go to boa for variance request
Valuation:
N/A
Permit #:
2020-LOG-0000504
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Air conditioning units in side setback (of new duplex)
Valuation:
$5,000
Permit #:
2021-LOG-0008960
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Maggie Thomson Janco Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Maggie Thomson Janco License info
Verified License
| License # | 401433 |
| 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 Maggie Thomson Janco at 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.00401433 |
| 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 Maggie Thomson Janco 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-401433 |
| 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 Maggie Thomson Janco with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
23
Permits
- Building permit records show that Maggie Thomson Janco has worked on 23 permitted projects.
Maggie Thomson Janco Employees
MJ
Maggie Thomson Janco
Owner