Home > Custom Home Building Guide > Building Process > Construction Timelines
How Long Does It Take to Build a Custom Home in Oregon?
The range you’ll hear most often — “12 to 24 months” — is accurate but not useful. A realistic custom home timeline in Salem or Bend starts with understanding four factors: permit review time, design complexity, site conditions, and weather.
MONTHS
2-5
Pre-Construction and Design
Covers scope definition, design development, structural engineering, energy compliance documentation, and budget reconciliation. Duration depends primarily on design complexity and revision cycles.
WEEKS
6-16
Permit Review
Salem / Marion County: Salem’s Building and Safety Services typically runs 10–20 business days per review round for new residential construction. A straightforward project can be permitted in 10–12 weeks total. Complex projects with multiple correction cycles can take 4–6 months.
Bend / Deschutes County: Bend’s permit review for custom homes currently runs 8–14 weeks for the initial review, longer during peak construction season. Plan for a longer permit window in Bend than Salem.
One efficiency: Oregon allows site work permits (grading, erosion control, foundation) to be issued separately in some circumstances, enabling site prep while structural review is in progress — saving 4–6 weeks.
WEEKS
4-8
Site Work and Foundation
In the Willamette Valley, the wet season (October–April) constrains grading and foundation work. Grading in saturated soil creates site conditions that cost more to correct than to avoid. In Central Oregon, winter temperature affects concrete placement timing.
WEEKS
4-8
Framing
Correlates closely with home size and roofline complexity.
WEEKS
3-5
Mechanical Rough-In
Plumbing, HVAC, and electrical run in sequence, each with separate inspections. Scheduling coordination between trades is where project management quality becomes visible.
WEEKS
4-6
Insulation and Drywall
Oregon’s energy code requires a blower door test on new construction. If the initial test doesn’t pass, air sealing corrections are made before proceeding.
WEEKS
6-12
Interior Finish
Depends on material lead times. Custom cabinet lead times and specialty materials can extend this phase.
WEEKS
2-4
Final Inspections and Certificate of Occupancy
Total Timeline Summary
| Phase | Duration |
|---|---|
| Pre-Construction and Design | 2–5 months |
| Permit Review | 6–16 weeks |
| Site Work and Foundation | 4–8 weeks |
| Framing | 4–8 weeks |
| Mechanical Rough-In | 3–5 weeks |
| Insulation and Drywall | 4–6 weeks |
| Interior Finish | 6–12 weeks |
| Final Inspections and CO | 2–4 weeks |
| Total | 12–20 months |
What Compresses or Extends the Timeline
Shorter timelines: well-defined scope, clean permit submission, favorable seasonal construction start, active subcontractor scheduling.
Extended timelines: design changes during construction, permit correction rounds, land use decisions, weather delays on site work, material lead times on custom items.
Integra Built builds custom homes in the Willamette Valley and Central Oregon. We handle in-house design, drawings, and permits — direct control over the timeline from design through CO. Oregon CCB #234-156.