What was permitted
Homeowners in Mill Valley considering accessory dwelling units (ADUs) and extensive renovations can reference this project. The work at 200 Chapman Rd involved a remodel, addition, demolition of a deck and fireplace, conversion of an entry to living space, hallway reconfiguration, and the creation of a junior ADU and an attached ADU.
This significant structural residential remodel and addition project was issued on September 2, 2026, with a substantial estimated project cost of $440,000. KIERAN COLLINS CONSTRUCTION is the contractor managing this complex renovation.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 93888 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Structural Residential Remodels and Additions |
| Status | Issued |
| Job description | Rmdl; Addn, Demo Deck/Fireplace, Convrt Entry To Living, Reconfig Hallway, Convrt Playroom To J A D U, (N) Attached A D U, Struct/Mep Upgrd |
| Floor / unit | — |
| Estimated cost | $440,000 |
| Approved | December 30, 2025 |
| Issued | September 2, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
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