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LIVE · Studio ·Vol. I ·California Residential Design-Build ·ADUs · Custom Homes · Multifamily ·License & insurance details on request ·CSLB #1156772 ·Starting $250K ·10–16% ROI ·San Francisco · HQ ·Bay Area ·Los Angeles ·LIVE · Studio ·Vol. I ·California Residential Design-Build ·ADUs · Custom Homes · Multifamily ·License & insurance details on request ·CSLB #1156772 ·Starting $250K ·10–16% ROI ·San Francisco · HQ ·Bay Area ·Los Angeles ·
Vol. I · The studio

The people behind every permit set.

A licensed architect stamps every drawing. A senior PM walks every job site. A permit lead tracks every reviewer. Names, credentials, and accountability attached to every project we take on.

  1. Founder & Principal

    Ari Rosen

    Founded the studio in 2018 after a decade running custom residential at a Silver Lake design-build firm.

    16 yrs · Detached ADUs · Hillside ADUs

  2. Director of Design

    Diana Park, AIA

    Licensed architect, ten years on multifamily and ADU work — leads schematic through Title 24 across every project.

    11 yrs · Schematic & permit drawings · Title 24 compliance

  3. Senior Project Manager

    Miguel Ortega

    Runs the field. 18 years building in LA County, fluent in LADBS inspector culture and long-lead procurement.

    18 yrs · Construction management · Procurement & long-lead sequencing

  4. Permit & Entitlement Lead

    Rachel Nguyen

    Files every set, tracks every reviewer. Translates LADBS correction sheets into one-page action plans.

    7 yrs · LADBS plan-check management · Multi-jurisdiction permitting

  5. Site Supervisor

    Tom Keller

    On-site every day. 22 years framing and finishing in LA — the supervisor most LADBS inspectors call by first name.

    22 yrs · Framing · Finish carpentry

§ Pick your principal

Choose the partner who fits your project.

Each principal owns a specific desk — Bay, LA, Inland. Tell us your zip and we'll route you to the one who'll actually run your build, not a rotating account manager.

  • Routed by zip, not by lead-round-robin
  • Bio + recent projects in their reply
  • Switch principals any time — no questions
  • 240
    California builds
  • 4 hr
    Avg reply today
  • $0
    For the brief
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