10220 N MASON AVE, Chatsworth - Porter Ranch, 91311
Businesses and property owners in the Chatsworth - Porter Ranch neighborhood should note this permit for a change of use to a retail space.
This project, issued on May 20, 2026, involves demo work, combining five existing tenant spaces, installing a new floor slab, and adding structural supports for rooftop equipment and a new restroom, with an estimated cost of $147,000. The contractor is listed as 'Unknown (Commercial)'.
A significant conversion of five existing tenant spaces into a single retail space was permitted in Chatsworth - Porter Ranch, indicating potential for new commercial activity.
Issued
May 20, 2026
Expires
—
License
B
See what a project like this costs near you
We'll compare your scope against real permits and licensed contractors in the area.
Start my estimate →Free · takes 60 seconds · no account needed
Filed by M D M Construction Inc · 1 permits across 1 area
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 25016-20000-11083 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Bldg-Alter/Repair |
| Status | Issued |
| Job Description | **ePlan**Change of use to Retail Space and combining 5 existing tenant spaces into one space. Demo existing demising walls & ceiling. Install new floor slab to level space and new structural supports for rooftop equipment and new restroom. |
| Floor / Unit | — |
| Estimated Cost | $147,000 |
| Approved | April 9, 2025 |
| Issued |
| May 20, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |