Read the map with the source data
This independent map compares saved Airbnb listing information with Nashville short-term rental permit records and parcel geometry. It is a research aid; it does not establish whether a property is operating illegally.
Nashville sources
- Short Term Rental Property Operation Rules and Requirements
- Nashville online permit dataset and map
- Nashville ePermits
Likely hotels
Orange markers identify likely hotels, resorts and apartment hotels from rental/property/room type, title, host and description. These listings have a separate inventory count in the footer (including records without coordinates) and are excluded from potentially unlicensed warnings, host warning counts, listings-minus-permits heatmaps and the revenue estimate. Popup evidence explains each match. Nearby hotel references and hotel-style comparisons are screened out. This automated category is not verified licensing status and may miss hotels with incomplete text.
Hotel name references: Nashville Convention & Visitors Corp hotel map and Placemakr Nashville.
Occupancy
The estimated capacity is min(2 × bedrooms + 4, 12). Three bedrooms allows 10 guests; six bedrooms allows 12. Marker numbers show advertised guests and, when above capacity, a second line such as “+4”.
Nashville's rule uses permitted sleeping rooms. The map uses advertised bedrooms, which are not independently verified permitted sleeping rooms. This is a screening estimate. If bedrooms are missing, capacity is unknown; a listing above the absolute 12-person ceiling is still flagged for at least that excess. Missing guest counts are unknown, not zero.
When exactly two permit numbers are detected in listing text, the map uses a provisional two-unit estimate: bedrooms are split evenly, each unit receives +4 guests, and the combined cap is 24. Detected listing numbers are unverified and do not establish that two licensed units exist. Titles containing “two” add a popup caution only; they do not change capacity.
Privacy radii and green parcels
Blue circles show the privacy radius saved with each Airbnb location. A missing radius is left unknown; no radius is invented. These circles indicate approximate location information, not surveyed boundaries. Green parcel polygons have at least one permit record with source status ISSUED and no past expiration date at build time. A permit for one unit does not authorize every unit or listing on that parcel. Overlapping a green parcel is a possible geographic relationship, not a confirmed match.
Permit-centered coverage rings are off by default and live under Advanced filters. These optional rings use the adjustable radius around current permit points. “Outside coverage” is a distance filter, not an unlicensed classification. Permit coverage is independent of the saved Airbnb privacy radius. All supplied listing locations remain available, including places outside Nashville; Nashville rules may not apply outside its jurisdiction.
Parcel-overlap warnings and privacy leeway
The privacy-radius slider adds 0–10% to each saved Airbnb radius (default +10%). A saved radius of zero stays zero. ⚠️ and the “likely unlicensed locations” filter mean the adjusted circle does not touch any green current-permit parcel within the selected analysis area. Distance is measured to actual polygon edges, including holes and multipart geometry, in a local metric projection (EPSG:26916). A missing radius or missing parcel data stays unknown. This screening flag is separate from direct permit-number status and is not a legal finding.
Area outline and edge buffer
The outlined area is U.S. Census TIGERweb Davidson County, January 1, 2026 vintage. It includes satellite municipalities; the map does not assert that every jurisdiction has identical STR rules. The signed buffer expands the analysis area when positive and trims its inside edge when negative. A purple dashed line shows this buffer. Warnings and count comparisons always use the selected area, even if you choose to display outside listings.
Occupancy statistics
The footer percentage is the number of over-occupancy listings divided by eligible listings with known occupancy results in the selected analysis area. Hotels are always excluded. Listings with more than five bedrooms and multiple detected license numbers are excluded by default; the dialog checkboxes also control the map's over-capacity filter. Exclusions are counted sequentially to avoid double-counting. Unknown occupancy results are excluded from the denominator; zero eligible listings displays N/A. Search and host filters do not change this percentage. Clicking Over occupancy clears unrelated filters, sets minimum overage to +1, and displays the counted listings.
Listings minus licenses and likely-unlicensed heatmap
The separate difference grid counts non-hotel listings and distinct current-permit properties in 500 × 500 metre cells. Red means a listing surplus and green means a permit-property surplus. This comparison uses the whole selected analysis area, independent of display filters. A surplus does not identify any individual unlicensed listing.
The red likely-unlicensed heatmap instead gives each visible, spatially flagged listing an equal weight of one at its displayed marker. It excludes hotels, listings with unknown spatial results, and listings hidden by filters. Nearby kernels add together to show concentrations. The default influence radius is approximately 250 m with 45% opacity; zoom and latitude affect the displayed spread. It is a density view of screening flags, not the grid surplus or a verified violation rate. Adjusting privacy leeway, parcel tolerance, analysis area or display filters updates the red heatmap. Source locations remain approximate.
The revenue dialog retains its hypothetical inventory-minus-permit arithmetic. Its Potentially unlicensed button opens the separate spatial calculation; clicking Likely unlicensed there shows the flagged rentals and enables their red heatmap. The two calculations measure different things and can return different counts.
Permit numbers and status
A direct match requires an extracted listing permit number equal to a real number in the permit data. All matched records appear in the popup, including expired, cancelled, revoked and other statuses. Matching a number identifies a reference to a permit, not independent verification that the listing occupies that address.
Expired matches are yellow, including expired listings above estimated capacity. Above-capacity listings also have a red border and a “+N” label. When multiple permits match, a current record takes color precedence; every record and its source status remains in the card. ISSUED records with an expiration date before the build date are displayed as expired, with the source status retained. Other source statuses are not silently reclassified as current.
Party house finder
🥳 marks listings with any selected amenity keyword category: 🩱 pool (excluding “pool table”), 👙 hot tub / hottub / jacuzzi, 🍻 the whole word “bar”, 🎱 pool table, 🎤 karaoke, 💍🤵🏻 bachelor-related terms, and 💍💐👰🏻♀️ bachelorette-related terms in listing text. Filters can require any or all selected categories and a minimum number of guests over estimated capacity. Symbols surround the marker when enabled. Keyword evidence is shown in the popup. Negations and references to nearby amenities can still match; these indicators do not prove parties, rule violations, or on-site amenities.
Downloads
Listing details and detected listing-number evidence are attributed to the linked Airbnb.com listing. They may be incomplete, out of date, or unverified. The map does not fetch live Airbnb pages or analyze listing photographs. Listings with limited details remain in the inventory.
Listing inventory · Permit records · Permit-number evidence · Build report