Updated: Apr 01, 2026
Location and Projects
Address
1700 Lima St, Aurora, CO, 80010
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Jb Properties Photos
Jb Properties Plumber
JB Properties is helping to set a new standard in the residential contracting industry. We believe in working closely with homeowners, informing and educating our clients, and raising and meeting higher expectations. www.jbpropertiescolorado.com
From BuildZoom: Jb Properties, 1700 Lima St, Aurora, CO (Owned by: Donald O Negri) holds a Roofing license and 41 other licenses according to the Douglas County license board.
Their BuildZoom score of 113 ranks in the top 3% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jb Properties, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jb Properties Contact Information
Phone Number: (303) 623-3332
Address: 1700 Lima St, Aurora, CO 80010
Jb Properties Aurora
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jb Properties has a BuildZoom score of 113, which places them above 97% of 55,949 contractors in Colorado.
Activity
|
5 projects
|
2025 |
|
7 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Jb Properties has worked on at least
17.0 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
|
4 projects
|
New Constructions |
|
7 projects
|
Plumbing projects |
|
4 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Jb Properties mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
3 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $5,000. 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.
Demolition of an existing office building with construction of a new multi-use building with domestic and fire services. a new hydrant is also being installed
Valuation:
N/A
Permit #:
2025-FIRE-0001593
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
728 n lipan st - new 7 building mud - ah project aspgren park - new affordable housing multi-family project - 728 s lipan street - 7 multi-family buildings clubhouse and makerspace
Valuation:
$339,731
Permit #:
2022-PLUMB-0004538
Status:
final
Fee:
$2,414
Permit Type:
N/A
Building Type:
Multi-family resi...
The space at 1058 s. gaylord st. is owned by center strength studios and they would like to have green collective eatery (gce) operate their vegan/juice/smoothie business out of the front-of-house space at this address. drawings specs and applications are being submitted to document the conversion of some existing administrative storage spaces into a kitchen space to facilitate the op... see more
Valuation:
$75,000
Permit #:
2023-BOILERAC-0000474
Status:
final
Fee:
$595
Permit Type:
N/A
Building Type:
N/A
Constructing a new fire station to replace existing *** foundation only***
Valuation:
$8,500,000
Permit #:
CEN-23-00083
Status:
complete
Fee:
$49,981
Permit Type:
N/A
Building Type:
N/A
The space at 1058 s. gaylord st. is owned by center strength studios and they would like to have green collective eatery (gce) operate their vegan/juice/smoothie business out of the front-of-house space at this address. drawings specs and applications are being submitted to document the conversion of some existing administrative storage spaces into a kitchen space to facilitate the op... see more
Valuation:
$10,000
Permit #:
2023-MECH-0005116
Status:
final
Fee:
$99
Permit Type:
N/A
Building Type:
N/A
958 lincoln st. - new ibc mud - satori residences 944 lincoln the proposed project is 24 residential units classified as for-sale condominiums. each residence will be 977 square feet. there will be 24 surface parking spaces located at grade with structure above. 2 phases are planned after podium parking
Valuation:
$270,000
Permit #:
2017-MECH-0007416
Status:
final
Fee:
$1,722
Permit Type:
N/A
Building Type:
Multi-family resi...
This set of construction documents provides (12) apartment units into the ground floor of the existing portola building at the streets at southglenn
Valuation:
$1,750,000
Permit #:
CEN-19-05716
Status:
complete
Fee:
$39,175
Permit Type:
N/A
Building Type:
N/A
Installing new cooling system
Valuation:
$120,000
Permit #:
MECH25-00164
Status:
issued
Fee:
$2,885
Permit Type:
Commercial
Building Type:
N/A
958 lincoln st. - new ibc mud - satori residences 944 lincoln the proposed project is 24 residential units classified as for-sale condominiums. each residence will be 977 square feet. there will be 24 surface parking spaces located at grade with structure above. 2 phases are planned after podium parking
Valuation:
$200,000
Permit #:
2017-BOILERAC-0000598
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Multi-family resi...
Install new duck work and insulation one force air heating system install new one air condition unit 3 exhaust fans one kitchen hood and duct and one dryer vent
Valuation:
$10,000
Permit #:
2024-MECH-0006714
Status:
final
Fee:
$99
Permit Type:
N/A
Building Type:
Single family res...
728 n lipan st - new 7 building mud - ah project aspgren park - new affordable housing multi-family project - 728 s lipan street - 7 multi-family buildings clubhouse and makerspace
Valuation:
N/A
Permit #:
2021-SUDP-0005202
Status:
approved
Fee:
$51,810
Permit Type:
New
Building Type:
N/A
728 n lipan st - new 7 building mud - ah project aspgren park - new affordable housing multi-family project - 728 s lipan street - 7 multi-family buildings clubhouse and makerspace
Valuation:
N/A
Permit #:
2021-SUDP-0005204
Status:
approved
Fee:
$51,810
Permit Type:
New
Building Type:
N/A
728 n lipan st - new 7 building mud - ah project aspgren park - new affordable housing multi-family project - 728 s lipan street - 7 multi-family buildings clubhouse and makerspace
Valuation:
N/A
Permit #:
2021-SUDP-0005206
Status:
approved
Fee:
$22,608
Permit Type:
New
Building Type:
N/A
3354 larimer st -three three 54 - foundation only this is a foundation permit for a residential building over retail on the ground floor
Valuation:
$100,000
Permit #:
2021-PLUMB-0008378
Status:
final
Fee:
$770
Permit Type:
N/A
Building Type:
Commercial
728 n lipan st - new 7 building mud - ah project aspgren park - new affordable housing multi-family project - 728 s lipan street - 7 multi-family buildings clubhouse and makerspace
Valuation:
N/A
Permit #:
2021-SUDP-0005199
Status:
approved
Fee:
$55
Permit Type:
New
Building Type:
N/A
1358 emerson st. - new ibc multi unit apartment building 1358 n emerson st; convert an existing surface parking lot to a parking garage by adding one elevated deck for additional parking spaces
Valuation:
$285,050
Permit #:
2018-MECH-0006142
Status:
final
Fee:
$1,812
Permit Type:
N/A
Building Type:
Multi-family resi...
Modified plumbing drawings - revised gas routing to all buildings to accommodate pressure availability changes - plans previously approved under 2023-log-0014754
Valuation:
$1
Permit #:
2023-PLUMB-0010915
Status:
final
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Modified plumbing drawings - revised gas routing to all buildings to accommodate pressure availability changes - plans previously approved under 2023-log-0014754
Valuation:
$1
Permit #:
2023-PLUMB-0010913
Status:
final
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Modified plumbing drawings - revised gas routing to all buildings to accommodate pressure availability changes - plans previously approved under 2023-log-0014754
Valuation:
$1
Permit #:
2023-PLUMB-0010912
Status:
final
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Modified plumbing drawings - revised gas routing to all buildings to accommodate pressure availability changes - plans previously approved under 2023-log-0014754
Valuation:
$1
Permit #:
2023-PLUMB-0010911
Status:
final
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Jb Properties Reviews
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Verified License
BuildZoom confirmed this contractor's license
Jb Properties License info
Verified License
| License # | R220344 |
| Status | Active |
| County | Douglas County |
| Type | Roofing |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Jb Properties at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Plbg A |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of March 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Plumbing |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of March 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | H & V A |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of March 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Refrigeration A |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of March 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 4231 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Jb Properties 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 # | MA170564 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Jb Properties with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | A04036 |
| Status | Active |
| County | Douglas County |
| Type | General A |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of May 2025.
Verify this license's status for Jb Properties at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Denver |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of October, 2022. Check the current license status of Jb Properties 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.
License Not Verified
| Status | Active |
| City | Denver |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of August, 2022. Check the current license status of Jb Properties 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.
License Not Verified
| License # | LIC-0011490 |
| Status | Active |
| City | Boulder |
| Type | Mechanical |
| Class | Class A All UMC Work |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Jb Properties with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | EC.0003789 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Jb Properties 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 # | ME.0002322 |
| Status | Active |
| State | Colorado |
| Type | Master Electrician |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Jb Properties 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 # | 3789 |
| Status | Active |
| County | Douglas County |
| Type | State Electrical |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of October, 2014. Check the current license status of Jb Properties with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2322 |
| Status | Active |
| Town | Parker |
| Type | Contractor, General |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of May, 2017. Check the current license status of Jb Properties with the The Town of Parker, Colorado
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CEN-13-03584 |
| Status | Active |
| City | Centennial |
| Type | Window Contractor |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Jb Properties at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ME-2322 |
| Status | Active |
| State | Colorado |
| Type | Master Electrician |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Jb Properties with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC2322 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the The City of Arvada, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC2322 |
| Status | Inactive |
| Town | Parker |
| Type | Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the The Town of Parker, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Mechanical Systems Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the Aurora, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Roofing Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the Aurora, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Steam & Hot Water |
| Business Type | Limited Liability Company (Llc) |
- According to the City and County of Denver Community Planning and Development, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC201901214 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Roofing |
| Business Type | Limited Liability Company (Llc) |
- According to the Thornton City Development Contractor License, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Class A Mechanical (Unrestricted) |
| Class | Unrestricted |
| Business Type | Limited Liability Company (Llc) |
- According to the Jefferson County Licensed Contractors, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1902537 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0011664-GENDROF |
| Status | Inactive |
| City | Boulder |
| Type | General |
| Class | Class D-2 Roofing |
| Business Type | Limited Liability Company (Llc) |
- According to the Boulder Licensing Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0011490-MECHA |
| Status | Inactive |
| City | Boulder |
| Type | Mechanical |
| Class | Class A All Mechanical Work |
| Business Type | Limited Liability Company (Llc) |
- According to the Boulder Licensing Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC201801065 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Mechanical |
| Business Type | Limited Liability Company (Llc) |
- According to the Thornton City Development Contractor License, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Roofing Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the Jefferson County Licensed Contractors, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1700596 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0011664 |
| Status | Inactive |
| City | Boulder |
| Type | General Contractor |
| Class | Class D-2 Roofing |
| Business Type | Limited Liability Company (Llc) |
- According to the Boulder Licensing Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Roofing Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the Aurora, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 160631060 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MA98281 |
| Status | Inactive |
| County | Douglas County |
| Type | Mechanical A |
| Business Type | Limited Liability Company (Llc) |
- According to the Douglas County Building Division, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | E070453 |
| Status | Inactive |
| County | Douglas County |
| Type | Electrical |
| Business Type | Limited Liability Company (Llc) |
- According to the Douglas County Building Division, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Business Type | Limited Liability Company (Llc) |
- According to the City and County of Denver Community Planning and Development, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 100331053 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC2725 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the The City of Arvada, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015062454 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Roofing |
| Business Type | Limited Liability Company (Llc) |
- According to the Thornton City Development Contractor License, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | ELEVATOR #91 |
| Status | Inactive |
| City | Littleton |
| Type | Elevator |
| Business Type | Limited Liability Company (Llc) |
- According to the The City of Littleton, CO, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Jb Properties at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 26301 |
| Status | Unable To Verify |
| City | Thornton |
| Type | Roofing |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 24471 |
| Status | Unable To Verify |
| City | Thornton |
| Type | Roofing |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Insured
| Insurer | Allied Group |
259
Permits
- Building permit records show that Jb Properties has worked on 259 permitted projects.
Jb Properties Employees
AN
Arapahoe Douglas Mental Health Network
Owner
B
Bryan
Owner
DN
Donald O Negri
Owner
ER
Elizabeth A Ratliff
Owner
ER
Elizabeth Ratliff
F
Francisco
Owner
FO
Francisco Olivas
FM
Francisco Olivas Marquez
FR
Frederick L Ratliff
Joshua Bryan
Owner
KP
Kirk Beck Vice President
Owner
SC
Santa Fe Electric Co
Electrical
SC
Santa Fe Electric Company
SL
Santa Fe Mechanical, Llc