logo image

South Portland, Maine

Regulations >
Maine >
South Portland

Want to see how South Portland compares to other top cities in Maine?  Explore all city regulations in Maine. →

B

South Portland, ME

Generally Investor Friendly

Local STR Agent

Local STR Agent

South Portland STR Expert
South Portland, Maine skyline

STR Regulations for South Portland, Maine

Overview: Are Short-Term Rentals Allowed in South Portland, ME?

Yes, short-term rentals are allowed in South Portland, Maine, but they are strictly regulated and require mandatory annual registration with the City. Short-term rentals are defined as temporary rentals of less than 30 consecutive days, and all units must be registered with the City before advertising or operating. Non-compliance can result in enforcement actions.


How to Start a Short-Term Rental Business in South Portland

  1. Determine Eligibility:

    • Ensure your property meets zoning requirements for short-term rentals (review the city’s "Types of Short Term Rentals" guide via the link below).
    • STRs are permitted in residential zones, but units must comply with all local regulations.
  2. Register Annually:

    • Complete Registration: Submit a registration application through the City’s licensing portal (Pay & Apply).
    • Pay Fees: Annual license fees apply ($200 for hosted home stays; $400 for non-hosted stays). A one-time $100 fire inspection fee is required for new applications.
    • Receive Certificate: Upon approval, you’ll receive a registration number—this must be displayed in all advertisements.
  3. Fire Safety Inspection:

    • Schedule a fire inspection with the Fire Chief’s office (required for new applications and periodic updates). Address any safety violations before operating.
  4. Compliance:

    • Adhere to all city regulations, including occupancy limits and guest rules.
    • Renew registration annually by December 31st.

Required Documents, Permits, Licenses, and Guidelines

  • Annual License/Registration: Mandatory for all STR units. Fees:
    • Hosted Home Stay: $200/year (owner present during guest stays).
    • Non-Hosted Home Stay: $400/year (owner not present).
  • Fire Inspection Certificate: $100 one-time fee (new units).
  • Registration Number: Must be listed in all advertisements.
  • Proof of Liability Insurance: Recommended (not explicitly mandated but advisable).
  • Zoning Compliance: Ensure your property is zoned for STR use (consult the city’s zoning map via the Web GIS Viewer).

Specific Regulations for STRs in South Portland

  • Definition: STRs are rentals for less than 30 consecutive days.
  • Registration: Required annually—no STR may operate without a valid City registration.
  • Fee Structure:
    • Hosted: $200/year
    • Non-hosted: $400/year
    • Fire inspection: $100 (one-time for new units)
  • Advertising: The STR registration number must appear in all ads (e.g., Airbnb, VRBO).
  • Inspection: Fire safety inspections are mandatory for new units and may be required periodically by the Fire Chief.
  • Guest Rules: Guests are considered "short-term rental guests" if occupying the unit for less than 30 days.
  • Penalties: Operating without registration may result in fines or legal action.

State-Level Note: Maine does not have a statewide STR law—regulations vary by municipality. South Portland’s rules are standalone.


Contact Information for Local Authority

  • Licensing Administrator:
    • Phone: 207-767-7628
    • Email: Licensing@southportland.gov
  • City Hall:
    • Address: 25 Cottage Road, South Portland, ME 04106
    • Phone: 207-767-3201
    • Fax: 207-767-7620
  • Office Hours:
    • Mon/Wed/Thu: 7:30 AM–5:00 PM
    • Tue: 9:00 AM–5:00 PM (City Clerk/Finance open until 6:00 PM)
    • Fri: Closed

Source Links

  • City of South Portland: Short-Term Residential Rentals
  • Registration Portal: Pay & Apply Online
  • Types of Short-Term Rentals (Document)
  • Maine Legislature: STR Ordinances Overview (Sept 2022)
  • South Portland Web GIS Viewer (Zoning)

Key Takeaway: South Portland permits STRs but requires annual registration, adherence to safety standards, and fee payment. For details, contact the Licensing Administrator or visit the City’s STR portal.

What do Airbnb hosts actually earn in South Portland?

South Portland hosts earn a median $34,921/year with $254 ADR and 66% occupancy.

Top performers pull in $46,696+ per year.

See the full South Portland market breakdown

Next step

Found a property in South Portland?

Paste any address and get estimated revenue, cash-on-cash return, and comparable STR performance in under 5 minutes. 3 free analyses per day.

Ask the AI Advisor about South Portland

Free brief

Get the free South Portland STR Investment Brief

Revenue data, top neighborhoods, seasonal trends, and the key regulations for South Portland, Maine in one email.

South Portland

Market Saturation Score

036912
Moderate Saturation
7/ 12
months with declining YoY revenue
5–7 declining months: moderate saturation risk - market may be nearing capacity.
View Full South Portland Market Analysis

Photos of South Portland

Overview of South Portland

South Portland is a coastal city in Cumberland County, Maine, with a population of roughly 26,000 residents. Sitting on the southern bank of the Fore River, it functions as a close neighbor and commercial counterpart to Portland, the state's largest city, just a few minutes across the Casco Bay Bridge. The city carries a working-maritime, suburban-coastal character, mixing residential neighborhoods, retail corridors, and industrial waterfront with public beaches and pocket-sized green spaces. It is best known as the home of the Maine Mall, the largest shopping center in the state, and as a convenient gateway to the southern Maine coast and the greater Portland area. Boston lies approximately 110 miles to the southwest, a drive of about two hours by car.

Just a few minutes south of downtown South Portland, in the adjoining town of Cape Elizabeth, Portland Head Light stands inside Fort Williams Park as one of the most photographed lighthouses in the United States. Commissioned by George Washington in 1791, the stone tower looks out over Casco Bay and is surrounded by clifftop walking paths, picnic areas, and rocky shoreline that draw visitors year-round. The park is about a ten-minute drive from the heart of South Portland and is often combined with a stop at nearby Crescent Beach State Park.

Within South Portland itself, Bug Light Park offers an easy introduction to the city's maritime heritage. The small green space is home to the Portland Breakwater Lighthouse, also known as Bug Light, and provides walking paths along the waterfront with views back toward the Portland skyline and across the harbor. The park is free to visit and sits only minutes from the city's main commercial strip, making it a natural quick stop for guests who want scenic payoff without a long drive.

For travelers interested in lighter outdoor recreation, Willard Beach anchors the southern end of the city in a quiet residential neighborhood. The small crescent of sand is popular with families for swimming, sunbathing, and tide-pool exploring, and it sits within walking distance of a handful of local cafés and small businesses. A short drive east leads to Pine Point Beach in Scarborough, a longer stretch of sand backed by tidal marshes and seasonal seafood shacks.

South Portland appeals to short-term rental investors and guests because it offers a quieter, more suburban alternative to staying directly in Portland while keeping the city's dining, breweries, and Old Port waterfront within a five-minute drive. Its combination of coastal scenery, family-friendly beaches, a major regional mall, and quick access to iconic lighthouses and state parks gives it broad year-round appeal, from summer beachgoers to leaf-peepers in autumn.

Want to know if a property in South Portland is a good investment?

Enter an address to get instant revenue potential and comps.

startup landing logo

Copyright © 2026 HomeRun Analytics, Inc

Explore

HomeCountry ExplorerProperty Analyzer

Resources

Market ComparatorRegulationsBlog

Trusted by STR investors in 50+ U.S. states

Built by investors, for investors

STRProfitMap® is a registered trademark of HomeRun Analytics, Inc