Cojo installs ADA-compliant truncated dome panels across Portland — sidewalk curb cut retrofits, parking-lot ADA path-of-travel upgrades, and transit-platform edge work. Most Portland properties built before the 2010 ADA Standards revision still have non-compliant curb cuts, and the city's pace of tenant-improvement permitting creates path-of-travel triggers under 28 CFR 36.403 that force retrofits. This page covers our Portland service area, the local code coordination Cojo handles, three real Portland install case studies, and how to get a site walk-through scheduled.
For the broader product overview, see our truncated domes guide. For the retrofit method walk-through, see sidewalk curb cut retrofit.
> Compliance disclaimer: Always verify current detectable warning requirements with the City of Portland. This article reflects 2026 federal ADA Standards (28 CFR Part 36, Appendix B), Portland Title 33 zoning, and PBOT right-of-way coordination.
Portland Service Area
Cojo runs truncated dome installs across the Portland metro from a Salem-based crew with regular Portland project rotations. Our coverage neighborhoods include:
- Inner east: Pearl District, Old Town, Lloyd District, Hollywood
- Eastside corridors: Hawthorne, Belmont, Division, Sandy, Foster
- Southeast: Sellwood, Brooklyn, Woodstock, Lents
- Southwest: Multnomah Village, Hillsdale, Burlingame, Riverdale
- North and Northeast: Mississippi, Alberta, Concordia, Cully, St Johns
- West suburbs adjacency: Tigard, Beaverton, Lake Oswego (often combined with Portland trips)
For an outer-suburb install, see our Beaverton commercial striping coverage and contact us about a coordinated stop.
What Portland Code Applies?
Three layers govern dome installation work in Portland:
- Federal ADA — ADA Standards 705 (dome dimensions and contrast), 406.13 (placement at curb ramps), 810.5.2 (transit platforms). Enforced via 28 CFR Part 36.
- Oregon state — ORS 447 (state ADA wrap-around) and the Oregon Structural Specialty Code (building code).
- City of Portland — Title 33 (zoning), Title 14 (right-of-way and traffic), and PBOT permit guidance for sidewalk and curb work.
Portland Bureau of Transportation (PBOT) issues right-of-way permits for sidewalk curb-cut work. Portland Bureau of Environmental Services (BES) coordinates when drainage or stormwater improvements run alongside the dome retrofit. Lead times run 2 to 4 weeks for standard right-of-way permits and 4 to 8 weeks when BES coordination is in scope.
Industry Baseline Range
| Item | Range |
|---|---|
| Single curb-cut retrofit (surface-applied) | $480 to $980 |
| Pair of curb cuts at one intersection | $880 to $1,800 |
| 6-curb-cut block-face retrofit | $3,400 to $6,800 |
| PBOT right-of-way permit | $150 to $400 |
| Traffic control day rate | $500 to $1,400 |
| Cast-in-place new construction (per panel) | $480 to $1,050 |
| Transit platform retrofit (per linear foot) | $90 to $380 |
Current Market Reality
Portland traffic-control day rates ran 18 to 25 percent higher in 2026 than the 2024 baseline because flagging crews are scarce during the May-to-October paving window. PBOT permit fees are stable. Material costs lifted 12 to 18 percent in late 2025 from polymer feedstock pressure on composite panels. Cast-iron pricing held steady but lead times extended to 8 to 14 weeks.
Three Recent Portland Installs
Pearl District Mixed-Use Retrofit (2026)
A Pearl District mixed-use building turned over a ground-floor retail tenant; the path-of-travel review during permit caught two non-compliant curb cuts on the building frontage. Cojo retrofitted both cuts with surface-applied safety-yellow composite panels in a single morning. PBOT permit was 14 days; install was 4 hours; total job ran in the mid range of the per-curb-cut baseline.
Hawthorne Boulevard Retail Block-Face (2026)
A 4-tenant retail block on Hawthorne needed all 6 curb cuts retrofitted before a city ADA enforcement deadline. Cojo coordinated a 2-day install with PBOT traffic control across both lanes of Hawthorne during off-peak hours. Surface-applied composite panels with full ASTM C881 epoxy bond and stainless anchors. All 6 cuts passed ADA 705 verification on first inspection.
Lloyd District Office Plaza Path Upgrade (2026)
An office plaza adjacent to MAX light-rail had three non-compliant pedestrian-island crossings between parking and the building entrance. Cojo set 4 cast-in-place composite panels during a coordinated concrete-overlay scope. The plaza owner used the same window to refresh ADA path striping; Cojo's crew handled both line items.
What Permits Does Cojo Handle?
Cojo coordinates the PBOT right-of-way permit, BES drainage review when needed, and traffic-control plan submission for any sidewalk-side work. For private-property parking-lot retrofits, only a building permit is needed and only when the dome work is part of a larger alteration. Permit coordination is included in the install quote, not a separate line item.
How Does Portland Treat Path-of-Travel Triggers?
Portland Title 33 references ADA accessibility for new construction and substantial alteration. The federal ADA 28 CFR 36.403 path-of-travel rule (path upgrade required when alteration cost exceeds 20 percent of primary alteration value) is enforced during the city's permit review. A typical $250,000 tenant improvement on a building with non-compliant curb cuts triggers a $5,000 to $15,000 path retrofit, often including 4 to 7 truncated dome panels.
Portland Climate Considerations
Portland's wet winters and mild freeze-thaw cycle put two specific stresses on dome panels:
- Adhesive joint failure from constant water exposure. Cojo specifies polyurethane joint sealant on every retrofit and recommends a 5-year re-seal cycle.
- Color fade is moderate in Portland's overcast climate. Safety yellow holds LRV reliably for 12 to 15 years; brick red fades faster. See our truncated dome color selection for the LRV math.
Snow events are infrequent enough that snowplow damage is rarely the limiting factor. Composite panels are the standard product for most Portland retrofits.
Need a Truncated Dome Install in Portland?
Cojo runs free site walk-throughs across Portland for ADA path-of-travel and dome-retrofit scoping. We provide a written compliance scope, permit-fee estimate, traffic-control plan, and per-panel install quote. Contact Cojo to schedule.