Parking Lot
ADA Parking Lot Compliance in Corvallis, Oregon: 2026 Guide
Cojo
May 30, 2026
7 min read
Corvallis is the seat of Benton County and home to Oregon State University, and that mix shapes its parking. The retail along 9th Street and Circle Boulevard, the storefronts on Philomath Boulevard and through downtown, the Good Samaritan Regional Medical Center campus, and the dense university-adjacent commercial blocks all generate steady, year-round traffic — and every one of those lots answers to the same accessibility rules: the 2010 ADA Standards for Accessible Design and Oregon's accessible-parking statute, ORS 447.233.
For Corvallis property owners, ADA compliance is both a legal obligation and a practical one. A college town with a large population of students, staff, and patients sees constant lot turnover, and accessible-parking complaints are common and inexpensive to file in Oregon. This guide walks the requirements that apply to a Corvallis lot. The full statewide reference is our ADA parking compliance guide for Oregon.
The required accessible count scales with total lot size, following the federal table Oregon adopts.
| Total Parking Spaces | Required Accessible | Van-Accessible Minimum |
|---|---|---|
| 1–25 | 1 | 1 |
| 26–50 | 2 | 1 |
| 51–75 | 3 | 1 |
| 76–100 | 4 | 1 |
| 101–150 | 5 | 1 |
| 151–200 | 6 | 1 |
| 201–300 | 7 | 2 |
Accessible parking is defined by exact dimensions, and a stall that misses by inches is non-compliant.
The access aisle is where wheelchair lifts and ramps deploy, so it stays level with the stall and connects to a continuous accessible route to the entrance.
Accessible stalls and their aisles cannot exceed 2 percent slope in any direction. Corvallis lots near the Willamette and Marys River bottomlands, where soils settle, can drift past tolerance over time even though they were poured compliant. Slope has to be measured, not estimated, and a failure here means targeted regrading and repaving of the stall — not just fresh paint.
Each accessible stall in Corvallis needs a vertical sign carrying the International Symbol of Accessibility, mounted at least 60 inches from the ground to the bottom of the sign so it stays visible when a vehicle is parked. Van stalls add a "Van Accessible" plate. Oregon law also requires a supplemental sign stating the fine for unauthorized parking — a requirement many out-of-state chains along 9th Street miss. The mounting specifics are in our ADA parking sign placement rules.
Corvallis sits in the central Willamette Valley, where a long, wet season and steady UV fade traffic paint relatively quickly. A blue accessible symbol or the diagonal hatching in an aisle that looks crisp in early fall can wash pale by spring, and a worn symbol is treated as a missing one in a complaint. Corvallis lots should have their accessible markings inspected at least annually and repainted before they fade past legibility. The dry striping window in the valley is shorter than in drier parts of the state, so timing matters: traffic paint needs dry pavement above 50°F, which here runs roughly late spring through early fall.
Routine maintenance — sealcoating, crack filling, patching, refreshing existing lines — does not trigger new ADA obligations, though it can never make a lot less accessible than it was. But an alteration, such as a full resurfacing or overlay, triggers the duty to bring the parking and the path of travel up to current standards to the maximum extent feasible. If you are repaving a Corvallis lot near Circle Boulevard or downtown, fold the ADA upgrade into the same project — it is cheaper than restriping twice.
The most reliable way to know where your lot stands is a site-specific review. An ADA parking compliance audit measures counts, dimensions, slopes, signage, and surface condition and produces a prioritized punch list. From there, most Corvallis lots need restriping, symbol stenciling, and signage corrections, sometimes with minor asphalt repair for slope or surface issues.
Cojo Excavation & Asphalt serves Corvallis and Benton County with ADA restriping, signage, and the asphalt work that keeps accessible areas in tolerance. For general line work, see our parking lot striping in Corvallis page, and our professional striping services outline the full scope.
The counts and dimensions above are general guidance under the 2010 ADA Standards and ORS 447.233. Every lot differs, so confirm yours with a survey. Request a free quote and we will assess your Corvallis property.
Understand what happens during an ADA parking compliance audit, common violations found in Oregon commercial lots, and how to prepare your property.
Complete guide to ADA parking requirements in Oregon, including space dimensions, van accessible standards, signage rules, and ORS 447.233 specifics for commercial property owners.
See real before-and-after results of commercial sealcoating projects in Oregon and learn how this affordable maintenance extends parking lot life by a decade or more.
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