Asheville vs Portland: ADU, STR & Home Business Rules Compared (2026)
Compare ADU parking rules, short-term rental permits, and home business rules between Asheville, NC and Portland, OR. Oregon state law preempts several local restrictions that Asheville's code does not clearly address.
Side-by-Side Comparison
Asheville vs Portland
| AshevilleNC | PortlandOR | |
|---|---|---|
| ADUs Allowed? | Yes — allowed as permitted in the table of permitted uses (Asheville Code of Ordinances §7-14-1) | Yes — required statewide for cities over 2,500 population (Oregon ORS 197A.425(1)(a)) |
| Owner Occupancy Required? | Not addressed in Asheville's municipal code — see official source | No — Oregon's ADU statute defines 'reasonable local regulations' to exclude owner-occupancy requirements outright (ORS 197A.425(1)(b)(B)) |
| Parking Required? | Yes — 1 parking space per ADU if off-street parking is required for the primary residential unit (Asheville Code of Ordinances §7-14-1) | No — Oregon's ADU statute bars cities from requiring additional off-street parking for an ADU (ORS 197A.425(1)(b)(B)) |
| STR Allowed? | Yes — permitted in all districts as a short-term vacation rental (Asheville Code of Ordinances §7-16-1(c)(64.1)) | Yes — permitted in all zones subject to Title 33 Chapter 33.207 (Portland City Code §33.207.030) |
| Registration Required? | Yes — must be reviewed annually and inspected for compliance with the annual zoning permit (Asheville Code of Ordinances §7-16-1(c)(64.1)) | Yes — a Type A accessory short-term rental permit is required (Portland City Code §33.207.040.A.2) |
| Registration Type | Annual zoning permit (Asheville Code of Ordinances §7-16-1(c)(64.1)) | Type A accessory short-term rental permit (Portland City Code §33.207.040.A.2) |
| Home Business Allowed? | Yes — permitted in all districts as a listed use (Asheville Code of Ordinances §7-16-1(c)(38)) | Yes — allowed by right unless specifically excluded (Portland City Code §33.203.030.A) |
| City Permit Required? | No separate permit noted — home occupations meeting the listed conditions are permitted as of right (Asheville Code of Ordinances §7-16-1(c)(38)) | Yes — a Type B home occupation permit must be obtained from Portland Permitting & Development before starting (Portland City Code §33.203.060.A) |
Key Differences
Asheville's municipal code does not explicitly address owner-occupancy for ADUs — this is a genuine gap in the ordinance rather than a confirmed "no," and should be confirmed directly with the city before assuming there is no restriction (Asheville Code of Ordinances §7-14-1). Portland, by contrast, operates under Oregon's ADU statute, which expressly excludes owner-occupancy requirements from the "reasonable local regulations" a city may impose (ORS 197A.425(1)(b)(B)) and also bars requiring additional off-street parking for an ADU. Asheville does require parking for an ADU — one space per unit, but only if off-street parking is already required for the primary residential unit (Asheville Code of Ordinances §7-14-1). Both cities permit short-term rentals in all districts/zones with an annual permit requirement — Asheville's annual zoning permit (Code of Ordinances §7-16-1(c)(64.1)) and Portland's Type A accessory short-term rental permit (Portland City Code §33.207.040.A.2). Home businesses are allowed in both cities, but Portland's Type B home occupations require a separate permit from Portland Permitting & Development, while Asheville's listed home occupation use does not carry a noted separate-permit step.
Cost Comparison
Asheville's ADU building permit fees run roughly $800–$3,500 based on construction valuation, with MSD of Buncombe County water/sewer connection fees possibly applying for new utility connections. Portland's ADU building permit fees run roughly $1,200–$3,500, with system development charges (transportation and parks) typically adding $10,000–$20,000 — a substantially larger fee category than anything documented for Asheville. Both ranges are drawn from each city's cached fee schedule; confirm current figures with Asheville Development Services or Portland Bureau of Development Services before budgeting.
Our Verdict
Portland offers more legal certainty on the ADU-specific conditions that matter most to owners — no owner-occupancy requirement and no added parking mandate, both guaranteed by Oregon state law — but its system development charges can add a substantial cost that Asheville does not appear to carry. Asheville's ADU parking rule is conditional (only applies if the primary unit already requires parking) and its owner-occupancy status is genuinely unclear in the code, so property owners should confirm directly with the city before assuming either way. For predictable ADU rules with lower total fees, Asheville may be the more budget-friendly option, provided the owner-occupancy question is resolved locally.
Explore Each City
Frequently Asked Questions
Does Asheville require an ADU owner to live on the property?
Asheville's municipal code does not clearly address this — it is not stated as either a requirement or an exemption in the accessory-use ordinance (Asheville Code of Ordinances §7-14-1). Confirm with Asheville Development Services before assuming either way. Portland, by contrast, explicitly bars owner-occupancy requirements under Oregon state law (ORS 197A.425(1)(b)(B)).
Which city has higher ADU fees, Asheville or Portland?
Portland's system development charges (transportation and parks) typically add $10,000–$20,000 to an ADU project — well above Asheville's estimated $800–$3,500 building permit fee range.
Do I need a permit for a home business in Portland?
It depends on the type. Home occupations are allowed by right in Portland unless specifically excluded (Portland City Code §33.203.030.A), but a Type B home occupation requires a permit from Portland Permitting & Development before starting (§33.203.060.A). Asheville's listed home occupation use does not carry a noted separate permit step.
Do both cities require a permit to operate a short-term rental?
Yes. Asheville requires an annual zoning permit, reviewed and inspected annually (Code of Ordinances §7-16-1(c)(64.1)); Portland requires a Type A accessory short-term rental permit (Portland City Code §33.207.040.A.2).
Source: PropertyZoned Editorial Research. Last verified July 3, 2026.