Lebanon has become one of the busiest new-construction markets in the Nashville area, and the sales numbers back that up. Over roughly 38 percent of the homes that closed in Lebanon this past year were new builds, spread across more than 100 active subdivisions. At the same time, the city's own wastewater treatment plant, the one that has to process what every one of those new homes flushes, has spent the last two years under state scrutiny for exceeding permit limits and reporting sewer overflows. Tennessee's environmental regulator went so far as to suggest the city consider pausing new hookups. Lebanon said no.
That is the part of the Lebanon growth story that doesn't show up on a listing sheet. If you are weighing a new-construction subdivision here against something in Mount Juliet or Gallatin, the headline stats about speed and price only tell half of it. The other half is a plant built in 1963 that is running near capacity while the city races to pick, permit, and fund its replacement, and hasn't finished any of the three yet.
The growth everyone already knows about
Lebanon's new-home activity is concentrated in a handful of communities that have become familiar names to anyone shopping the corridor: Campbell Place, Hartmann Crossing, Knoll Creek, Woodbridge Glen, Del Webb Barton Village, Village Square, Stratford Station, Cades Bluff, and Carver Creek all rank among the highest-volume new-construction neighborhoods in the city over the past year. Cades Bluff sits near the intersection of Highway 109 and Highway 70 and falls within the Mt. Juliet school zone, one example of how Lebanon's subdivisions can carry different school assignments depending on exactly where they sit.
The median sale price across Lebanon has settled close to $428,000 over the twelve months ending this spring, with roughly 1,780 closed sales in that window. That is a market moving fast enough that builders keep opening new sections. It is also a market that state records show has approved more than 7,750 housing units over the past three years, according to reporting from Fox 17, a pace that keeps adding demand to a sewer system the state has already flagged.
The plant nobody names on a listing sheet
Lebanon's wastewater treatment facility on Hartmann Drive was built in 1963. According to a Director's Order Tennessee's Department of Environment and Conservation issued in September 2025, the city violated the state Water Quality Control Act by exceeding permit limits and reporting sewer overflows, and paid a penalty of $35,555, including an upfront payment of $7,111. State records reviewed by Fox 17 describe self-reported violations between 2023 and 2025, including repeated exceedances for ammonia and suspended solids, along with a separate notice of violation in June 2025 for failing to meet discharge limits.
A follow-up inspection in March 2026 found more of the same, including 20 overflows and 23 releases since the prior inspection. In its report, the state noted that under the terms of Lebanon's permit, no additional flows should be added upstream of areas already experiencing repeated overflows, and it suggested the city consider what the report called a self-imposed moratorium on additional flows until the problem is corrected.
The city's written response to the state was direct. Lebanon told regulators it does not believe a moratorium on new or additional upstream flows is warranted at this time, and that existing and planned projects are expected to sufficiently mitigate future risk while maintaining compliance. In January 2026, the same month that response was being worked out, the Lebanon City Council approved a 311-home development expected to come online by 2027. That development, known as Sorelle, sits off Maple Hill Road and Carver Lane, the same corridor where one of the leading candidates for the city's new treatment plant is now proposed.
A site search that missed its own deadline
Lebanon has known for a while that Hartmann Drive can't carry the city forever. What has taken longer is agreeing on where the next plant goes.
- June 2026: The city forms a Wastewater Treatment Plant Site Selection Committee and begins reviewing more than 20 candidate parcels along existing effluent lines, plus sites suggested by residents.
- Late June 2026: Committee members submit sealed, anonymous scores to narrow the list ahead of a summer meeting.
- July 21, 2026: The field narrows to four finalists: Site 13 near Rockwood on Hartmann Drive, Site 2 on Berea Church Road, Site 7 at Oriole Drive and Horn Springs Road, and Site 22 on Maple Hill Road.
- August 4, 2026: The committee drops Site 2 over access and infrastructure concerns and forwards the final three to the mayor and City Council for further study, ranked by score: Site 22 (61 points), Site 13 (60 points), and Site 7 (57 points).
- Late August 2026: Mayor Rick Bell confirms to reporters that the city will miss its own September deadline to use more than $300,000 in pandemic-era federal funding earmarked for the project, because a final site still hasn't been chosen.
- This month: The Wilson County Commission passes a resolution opposing placement of the plant on unincorporated county land outside Lebanon's city limits. Residents near Site 7 organize a meeting at the Five Oaks clubhouse, led by neighbor Mike Maynard, and separate Change.org petitions against Site 7 and Site 13 have collected 534 and 610 signatures respectively.
The opposition isn't abstract. Deborah Carver, who owns 56 acres near Site 22 that her family bought to build an event center and wedding venue, has told reporters that blasting, leaks, and lower property values are what worry her most. Resident Jennifer Hewston put it more bluntly at a council meeting: no one is going to want to buy a house next to a sewer plant. Committee chair Jeff Baines has said the panel toured all three finalist properties personally and that each has real tradeoffs. None of that changes the fact that, as of today, Lebanon still doesn't have a final answer.
What this actually means if you're comparing new-construction subdivisions
None of this means Lebanon's growth is unhealthy. Demand is real, prices have held, and most of the city's 100-plus active subdivisions aren't anywhere near a contested plant site. What it means is that the due diligence question has shifted. In a lot of markets, the question a buyer asks about new construction is how fast the builder can close. In Lebanon right now, a more useful question is what happens after closing.
A few things worth asking before you write an offer on new construction here:
Which interceptor line serves this subdivision, and does it have a documented overflow history. The state's own inspection notes point to a specific chronic overflow location behind the equalization basin at the existing plant. A subdivision tied into that same basin faces a different set of pressures than one on a newer line elsewhere in the city.
Is the community on city sewer today, or is that connection still pending. Some new-construction communities market themselves as future-connected. Ask your builder's representative or your agent to confirm the actual utility status in writing, not just verbally, before you're under contract.
Where does this lot sit relative to the three finalist sites. If you're looking at anything near Maple Hill Road, Horn Springs Road, or the Hartmann Drive area, it's worth knowing the plant decision there is still open. That doesn't mean walk away. It means ask the question out loud instead of assuming the process is settled.
None of this shows up in a portal listing. It shows up in city council minutes, state inspection reports, and conversations with people who are already tracking this. That is exactly the kind of local homework worth doing before you commit to a subdivision, and it's the kind of question we walk buyers through every day.
A few questions we hear about this
Does this mean I shouldn't buy new construction in Lebanon right now? Not at all. Most of Lebanon's new-construction inventory has nothing to do with the three finalist sites. The point is to ask the utility question specifically for whatever subdivision you're considering, the same way you'd ask about an HOA or a school zone.
How do I find out which sewer basin or interceptor line a specific subdivision uses? Ask your builder's sales representative or your agent to confirm directly with Lebanon's Utilities Department before you're under contract. It's a reasonable question to put in writing, and a responsive builder should be able to answer it.
Will the final plant site affect nearby home values? It's a concern residents near the finalist sites have raised publicly and repeatedly at council meetings. No final site has been chosen, and the city council's decision is still pending as of this month.
Lebanon's growth story is a good one. It just has more moving parts underneath it than the median price suggests. If you're weighing a new build here against something in Mount Juliet, Gallatin, or elsewhere in Wilson County, we'd rather walk you through exactly what's happening with a specific subdivision than let you find out after closing. The Eddie Poole Team knows this corridor block by block, and we're happy to schedule a free consultation to go through what a particular lot or listing actually means for you.
