Communities, Retreats & Experiences / Nashville and Davidson County, Tennessee
Southlake Drive RN1 vote: test the triplex or quadplex before pricing the land
Nashville's Planning Commission supported an RS7.5-to-RN1 request. RN1 can open a path to three- or four-unit housing, but the vote, lot size, and zoning label do not settle buildability or cash flow.
The question in plain English
On October 22, Nashville's Planning Commission voted 8-0 to support moving about 1.35 acres on Southlake Drive from RS7.5 to RN1. RN1 is one of Nashville's newer Residential Neighborhood districts, and it can support more housing forms than the existing single-family district. Does that vote mean the property can now be priced as a triplex, quadplex, or larger rental project? No. The Commission made a recommendation on a public rezoning case. Metro Council still has the final zoning decision, and any housing plan must fit the adopted building type, site, access, utility, stormwater, fire, parking, and permit rules. This public case is not an Urban Planning Pros project or private client work.
The short answer
Use the RN1 recommendation as a reason to compare options, not as proof of extra units. First price the land under its current RS7.5 rights and physical limits. Then build a separate RN1 case that includes the remaining Council process, a survey, a fitted concept, code review, utility and drainage checks, construction cost, financing, and schedule. RN1 can allow a plex house with three to six units, which may include a triplex or quadplex, but the zoning label does not promise that every allowed building type fits every lot. Keep the higher-density value out of the base price until the zoning and workable plan can both be confirmed.
What changed on October 22
Metro's October 22 action agenda identifies Case 2026Z-082PR-001 as a request to rezone approximately 1.35 acres from RS7.5 to RN1. The Planning Commission approved a recommendation by an 8-0 vote. The same official agenda explains that the Commission makes final decisions on final site plans and subdivisions, but it recommends action to Metro Council on zone changes. Metro's rezoning guide says Council considers a zone change through three readings, including a public hearing, and can reach a different result. The published process generally takes three to six months when there are no complications. The October vote is meaningful evidence of progress, not final zoning, a building permit, a unit count, or a financial outcome.
What RN1 changes—and what it does not
Metro created the RN and RL districts through BL2025-1005, which became effective in December 2025. RN1 is intended for neighborhood-scale residential development. The adopted materials list single-family, two-family, townhouse, house-court, townhouse-court, plex-house, and manor-house forms. A plex house is described as a detached building with three to six side-by-side or stacked homes. RN1 uses a 6,000-square-foot minimum lot and a maximum height of 2.5 stories. Those numbers define part of the rule set; they do not divide acreage into approved units. The code itself says applying RN1 to a parcel requires the standard rezoning process. A later plan must still meet the detailed form, bulk, and review standards.
Start with the current single-family case
RS7.5 is a single-family residential district, so the cleanest baseline is the lawful detached-home plan supported by the current parcel. Confirm the existing lot or subdivision status, survey, frontage, access, setbacks, easements, utilities, drainage, trees, slopes, overlays, and recorded restrictions. Then estimate site work, construction, financing, holding time, sale costs, and a realistic selling range. This baseline matters even when the RN1 request looks promising. It shows what the owner can do without relying on a future Council vote or a more complicated building. It also gives the owner a consistent comparison for selling now, seeking the rezoning and selling later, building one home, or pursuing several homes under a verified RN1 plan.
A triplex or quadplex needs a fitted plan
RN1's plex-house definition makes three or four homes a real option to test if the rezoning becomes final. It does not approve either form on Southlake Drive or another Nashville property. A useful concept must place the building, entries, parking, driveways, fire access, utilities, stormwater facilities, yards, open space, trash service, and any required landscape areas on a current survey. It must also address grading, accessible routes, building code, ownership structure, and construction access. If the plan cannot satisfy the required building form or site rules, the theoretical unit count has no value. Ask Metro to confirm the proposed form and review route in writing before using triplex or quadplex income in an appraisal, offer, loan request, or investor presentation.
Six thousand square feet is not a unit formula
The RN1 minimum lot area is easy to misuse. It is not a promise that every 6,000 square feet supports a plex house, and it is not a direction to divide 1.35 acres by 6,000 and call the result buildable lots. Existing parcel lines, street frontage, setbacks, building dimensions, access, stormwater, utilities, trees, easements, terrain, fire service, and the final subdivision pattern can reduce or reshape capacity. A three-unit building may fit where four units do not. A larger parcel may need new streets or utility work that changes the economics. Treat the minimum as one screening number inside a complete feasibility test, not as a shortcut to land value or rental revenue.
Compare selling now with selling after rezoning
A current-rights sale transfers the rezoning, design, schedule, and construction risk to the next owner. That may produce a lower price, but it can also reduce professional fees, carrying costs, and uncertainty. A rezoning-and-sale path may improve the buyer's confirmed housing menu, yet it adds application work, public meetings, design support, legal and consultant costs, taxes, insurance, interest, and the chance of delay or a different Council result. Compare both paths with the same date, survey assumptions, and cost categories. Do not count the hoped-for RN1 price as today's land value. Measure the likely added sale proceeds against every approval cost, month of carrying time, and remaining condition the buyer must still solve.
Compare one sale with long-term cash flow
For a build-and-sell plan, estimate each lawful home's site-work share, construction, financing, marketing, commissions, closeout, warranty, and time to sell. For a hold plan, compare the net income from one detached home with a lawful triplex or quadplex after vacancy, management, repairs, utilities paid by the owner, taxes, insurance, reserves, turnover, leasing, and debt service. Then lower rent, delay lease-up, increase construction costs, and test a higher interest rate. Several rent streams can reduce the effect of one vacancy, but extra units also bring more construction, code, maintenance, and management work. The strongest choice is the verified plan that still covers its obligations in a slower case—not the option with the largest gross rent.
The market signal supports caution, not a promise
The Census Bureau estimates Davidson County at 745,904 residents on July 1, 2025, with 389,379 housing units, 5,632 building permits in 2025, a 52.8% owner-occupied rate, a median owner-occupied value of $417,400, and median gross rent of $1,582. FRED's September 2026 table of Realtor.com estimates shows 12,150 active Nashville-area listings, compared with 10,846 a year earlier; median market time was 62 days versus 59, and price reductions were 4,606 versus 4,234. More inventory makes conservative sell timing and cash-flow testing especially useful. These metro and county figures do not prove this property's zoning, unit count, rent, price, cost, absorption, financing, or profit.
The neighborhood result matters
RN1 was designed to add housing choices in a neighborhood-scale form, so a successful plan must work for residents as well as the owner. Test safe access, parking spillover, street capacity, drainage, utilities, trash service, trees, privacy, light, noise, and the relationship between the new building and nearby homes. A triplex or quadplex can create smaller housing choices and let households share land and infrastructure. Poor placement can shift costs or inconvenience to neighbors. The public process is not only a hurdle; it helps identify site and design issues before they become permanent. A plan that fits the street, manages water, and gives residents usable space is more durable than one built only around the maximum door count.
What the anonymous site signal says
Urban Planning Pros reviewed 2,296 anonymous content events from the last 30 days: 2,293 page views, two property-review clicks, and one service click. The home page had 119 views, request-a-quote 86, booking 72, the Nashville growth-map guide 38, insights and feasibility 31 each, highest-and-best-use and owner-side strategy 29 each, and Nashville's Battle Grove and Arrington triplex-or-quadplex guides 27 each. Every city field was empty, so this activity supports a plain-English Nashville housing-choice guide but not a Southlake-specific demand claim. No live Similarweb connection was available, so no Similarweb value was used, estimated, or invented.
What to verify before making the decision
Collect the current zoning map, October 22 action agenda, later Council bill and readings, survey, deed, plat, easements, restrictions, title exceptions, utility information, drainage records, overlays, and any concept drawing. Ask Metro to confirm the final zoning, allowed building form, lot and frontage rules, parking, access, fire review, stormwater, utility capacity, subdivision needs, and permit sequence. Price the RS7.5 single-family case first. Then compare an RN1 single-family, two-family, triplex, and quadplex only where the written rules and fitted plan support them. Urban Planning Pros can organize the zoning, site, cost, and sell-versus-hold comparison through a Development Feasibility Study. Use Review My Property below to start with the actual land. Information was checked November 3, 2026.
Source note
- Metro Nashville — October 22, 2026 Planning Commission action agendaChecked 2026-11-03
- Metro Nashville — BL2025-1005 Residential Neighborhood and Residential Limited districtsChecked 2026-11-03
- Metro Nashville — BL2025-1005 legislation report with RN1 and plex-house standardsChecked 2026-11-03
- Metro Nashville Planning — Rezone My PropertyChecked 2026-11-03
- Metro Nashville Planning — zoning classificationsChecked 2026-11-03
- U.S. Census Bureau — Davidson County QuickFactsChecked 2026-11-03
- Federal Reserve Bank of St. Louis — September 2026 Nashville housing inventory estimatesChecked 2026-11-03