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RPSC LLC — Where Portland Architects' Designs Come to Life

RPSC LLC is a residential construction company in Portland, Oregon specializing in collaborations with architects and designers to build homes that match their drawings. From a backyard ADU in Sellwood, a second-story addition in Laurelhurst, or a full kitchen renovation in the Alberta Arts District, architect plans guide every build — not the starting point for negotiations.

Built for Collaboration: No Design-Build Friction

Many Portland homeowners hear "that won't work" or "that'll cost double" the moment architect plans reach a builder. RPSC LLC reviews designs alongside architects before construction begins, flags constructability concerns early and respectfully, and preserves design intent throughout the build.

This collaborative approach means fewer surprises, more transparent pricing during the design phase, and a finished home that matches the renderings. RPSC LLC has built architect-led ADUs, additions, and whole-home renovations across Portland — working with designers focused on craft.

About RPSC LLC

Founded in Portland, Oregon, RPSC LLC is a small residential contractor focused on high-quality construction with a collaborative mindset. The best projects happen when builders, architects, and homeowners work together from day one — not as separate parties with competing interests.

Years of hands-on experience with Portland's building codes, zoning requirements, and neighborhood characteristics guide every project. From permit applications to final inspections, every detail is managed so the focus stays on the vision, not the paperwork.

Philosophy: Respect the design. Communicate transparently. Build with craft. Deliver on time and on budget.

Our Services

Recent Portland Projects

For Architects & Designers

Architects and interior designers in Portland know the routine: beautiful plans handed off, and the builder comes back with a hundred substitutions. RPSC LLC is the contractor who calls before the framing starts, not after.

How We Work With Design Professionals

  1. Pre-construction design review sessions with the architect — Meetings during the design phase to flag constructability issues early, before permits are submitted.
  2. Transparent cost estimating during the design phase — Not after permits are pulled when budgets are locked. Preliminary estimates allow cost validation before clients commit to drawings.
  3. Regular walkthroughs scheduled around client meetings — Walkthroughs coordinated with the project schedule.
  4. Change-order discipline — Materials are never quietly swapped. Every change requires approval first. Documented change orders protect design integrity and client relationships.
  5. Photo documentation at every milestone — For portfolios and client communications.

Reputation lives in the finished product. When clients see a completed home that matches the renderings, that becomes a referral source and a repeat project. RPSC LLC has built ADUs, additions, and whole-home renovations across Portland — working with designers focused on craft.

Portland Neighborhoods We Serve

From Irvington's historic homes to Hawthorne's craftsman remodels and St. Johns' waterfront cottages, RPSC LLC builds across the Portland Metro Area.

Build With Your Architect's Plans

Discuss how RPSC LLC can collaborate with a designer to bring a vision to life. Get a preliminary estimate during the design phase — no surprise costs after permits are pulled.

Contact Us

For inquiries, reach out at rpsc.contact@gmail.com.