Updated: Jan 08, 2026
Location
Address
8157 SPIKEGRASS CT, Castle Rock, CO, 80108
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Block by Block Construction
Block by Block LLC, 8157 Spikegrass Ct, Castle Rock, CO (Owned by: William Granda) holds a Renovation license and 2 other licenses according to the Environmental Protection Agency license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Block by Block LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Block by Block LLC Services
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Block by Block LLC Contact Information
Phone Number: (303) 990-3665
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Address: 8157 SPIKEGRASS CT, Castle Rock, CO 80108
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Verified License
BuildZoom confirmed this contractor's license
Block by Block LLC License info
Verified License
| License # | NAT-F187272-2 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Block by Block LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F187272-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Block by Block LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C090412 |
| Status | Inactive |
| County | Douglas County |
| Type | General C |
- According to the Douglas County Building Division, 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 Block by Block LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Block by Block LLC Employees
WG
William Granda
Owner