Updated: Jun 01, 2026
Location and Projects
Address
1542 S WASHINGTON ST, Denver, CO, 80210
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Zell Plumber
Zell LLC at 1542 S WASHINGTON ST, Denver, CO 80210, (Owned by: Hartzell Carl M) has a BuildZoom score of 100 and ranks in the top 13% of 55,949 Colorado contractors.
If you are thinking of hiring Zell LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Zell LLC Services
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Zell LLC Contact Information
Phone Number: (720) 581-2019
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Address: 1542 S WASHINGTON ST, Denver, CO 80210
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Zell LLC Denver
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Zell LLC has a BuildZoom score of 100, which places them above 87% of 55,949 contractors in Colorado.
Activity
|
5 projects
|
2025 |
|
2 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Zell LLC has worked on at least
11.0 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
|
3 projects
|
New Constructions |
|
3 projects
|
Sewer laterals |
|
3 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Zell LLC mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolition scope of work: demolition of one (1) single-family residence 1063 sq ft 1-story 12ft in height above grade. demolition of one (1) detached garage 400 sq ft 1-story 12ft in height above grade. all work must adhere to 2021 irc 2022 drc 2022 dbca 2010 dzc and u-su-c zone district standards
Valuation:
N/A
Permit #:
2025-DEMO-0000137
Status:
final
Fee:
$248
Permit Type:
N/A
Building Type:
N/A
A multi-unit apartment development with two buildings above a podium structure with vehicular entrances from fillmore and the existing alley and the main pedestrian access off of 17th avenue and 16th avenue
Valuation:
$60,000,000
Permit #:
2022-SDP-0000149
Status:
approved
Fee:
$5,943
Permit Type:
N/A
Building Type:
N/A
An existing accessory structure is to have a bathroom addition added with no change in use. a new primary entrance to the accessory structure is to be added alogn with a window
Valuation:
N/A
Permit #:
2025-SUDP-0001396
Status:
issued
Fee:
$425
Permit Type:
Addition
Building Type:
N/A
1918 s emerson st - new single family residence w/det garage new single family house and detached garage at 1918 s. emerson street
Valuation:
$675,000
Permit #:
2024-LOG-0007581
Status:
approved
Fee:
$1,956
Permit Type:
N/A
Building Type:
N/A
New duplex and detached garage at 11378 s. washington st
Valuation:
N/A
Permit #:
2025-FAI-0000326
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New duplex and detached garage at 1374s. washington st
Valuation:
N/A
Permit #:
2025-FAI-0000325
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1918 s emerson st - new single family residence w/det garage new single family house and detached garage at 1918 s. emerson street
Valuation:
N/A
Permit #:
2024-SUDP-0002784
Status:
issued
Fee:
$575
Permit Type:
New
Building Type:
N/A
One-family dwelling with 2-car detached garage
Valuation:
N/A
Permit #:
2025-FAI-0000678
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1918 s emerson st - demolition
Valuation:
N/A
Permit #:
2025-LMDEMO-0000038
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New duplex house with detached garage
Valuation:
$594,850
Permit #:
2020-LOG-0002098
Status:
approved
Fee:
$1,731
Permit Type:
N/A
Building Type:
N/A
At this time our client is proposing to redevelop the referenced property into a mixed-use multi-story building to include a combination of residential retail and potentially office uses. proposed development would include both at-grade and below grade parking structures. first floor would consist primarily of retail space with frontage on both broadway and yale. second floor would in... see more
Valuation:
N/A
Permit #:
2020-SDP-0000191
Status:
plancheck
Fee:
$3,500
Permit Type:
N/A
Building Type:
N/A
New duplex house with detached garage
Valuation:
N/A
Permit #:
2023-FAI-0000893
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New epdm roof
Valuation:
$8,000
Permit #:
2023-ROOFSIDE-0000844
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Duplex
Remove and replace roof shingles
Valuation:
$9,750
Permit #:
2020-ROOFSIDE-0007220
Status:
final
Fee:
$99
Permit Type:
N/A
Building Type:
Duplex
Remove and replace roof shingles
Valuation:
$9,750
Permit #:
2020-ROOFSIDE-0007218
Status:
final
Fee:
$99
Permit Type:
N/A
Building Type:
Duplex
Shoring permit
Valuation:
N/A
Permit #:
2020-RESCON-0001892
Status:
final
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
New duplex
Valuation:
N/A
Permit #:
2020-RESCON-0001893
Status:
issued
Fee:
$3,866
Permit Type:
N/A
Building Type:
N/A
New duplex
Valuation:
N/A
Permit #:
2023-FAI-0000892
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New duplex
Valuation:
N/A
Permit #:
2023-OCCUPANCY-0000203
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A multi-unit apartment development with two buildings above a podium structure with vehicular entrances from fillmore and the existing alley and the main pedestrian access off of 17th avenue and 16th avenue
Valuation:
N/A
Permit #:
2020-PROJMSTR-0000437
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Zell LLC Reviews
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Zell LLC License info
Verified License
| Status | Active |
| City | Denver |
| Type | Residential Contractor Class C |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of November, 2020. Check the current license status of Zell LLC with the City and County of Denver Community Planning and Development
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
19
Permits
- Building permit records show that Zell LLC has worked on 19 permitted projects.
Zell LLC Employees
CH
Carl Hartzell
HM
Hartzell Carl M
Owner