How many new houses can Pine Grove add in a single year? The Oldham County Planning Commission approved this 93-lot subdivision on 156.4 acres at 10201 Highway 329 in Prospect at its March 25, 2025 meeting. If you go by the lot count, the answer is 93. If you go by the binding elements attached to the vote, the answer is 35.
That second number is the one that matters if you're weighing new construction against resale here. Several Oldham County subdivision approvals set a yearly limit on building permits, so a large approval turns into houses over several years. A headline lot count tells you how big a neighborhood will eventually be. The permit cap tells you how quickly it can get there.
The Clause Inside the Binding Elements
The Oldham Era's report on the Pine Grove vote describes a hearing with sizable public opposition and a unanimous approval. The approval came with five binding elements. One of them reads:
"Thirty-five building permits per year are allowed per the Oldham County Board of Education."
At 35 a year, 93 lots need at least three years of permits before every lot can have a house started on it. That's the fastest the rules allow. Market demand, builder schedules and construction time all come on top. The same approval keeps the Yager House, which is on the National Register of Historic Places, on one of the lots. The developer said it would preserve the house or sell it but would not tear it down.
The cap traces back to Section 7.6 of the Oldham County Subdivision Regulations, dated March 20, 2018. Under that section, the Commission has to consider available public school capacity for any residential subdivision that creates more than two housing units per year. If capacity is too low, that can be grounds for denial. The Oldham County School Board supplies the capacity figures and the average number of students generated per dwelling unit. The Commission can review and adjust those figures if it has a statistical basis for doing so. The regulation then lists factors that can soften a project's impact, and the fourth one is a single word: phasing.
The regulation itself sets no number. Each cap is worked out for a particular project from a capacity calculation, and it ends up in the binding elements. So the speed limit differs from one subdivision to the next, and the place to find it is that project's own approval documents.
Thirty-Five Is a Big Share of a County Year
Put the Pine Grove cap next to countywide building activity and it looks different. The county's Building & Inspections report for May 2026 counts 268 single-family residential permits for all of 2025. A single subdivision allowed 35 permits a year would equal about 13 percent of that annual total. That's why the cap matters. One large approval could otherwise take up a big slice of the county's yearly building, and the phasing spreads it over several years.
Building in 2026 has been running slower than in 2025, at least through the latest published monthly building report. That May 2026 report shows 19 single-family permits in May 2026, compared with 33 in May 2025, and 114 issued year-to-date through May.
Resale supply across the region has gone the other way. The Greater Louisville Association of REALTORS August 2026 market report counted 4,490 homes for sale across Greater Louisville in August 2026, up 33 percent from a year earlier. That's 3.5 months of supply. The regional median sale price was $300,000, up 1.2 percent, and cumulative days on market averaged 46, compared with 38 a year earlier. Those are metro-wide figures, not Oldham County numbers. Still, they point to a region where existing homes are piling up faster than new ones in capped subdivisions can arrive.
Old Sligo Shows When the Cap Stops Mattering
The cap only bites on big tracts, and the Old Sligo case shows why. Docket PZ-26-006 was a preliminary plan from Sunanza, Inc. for 27 single-family lots on 169.14 acres at 5401 Old Sligo Road in La Grange. The lots range from 5.01 to 8.96 acres. The May 26, 2026 staff report records that the Oldham County Board of Education set the maximum number of lots per year at 28.
A cap of 28 on a 27-lot plan never limits anything. On this property, the conditions that shape the build are about water and fire protection. The staff report's proposed binding elements require all cisterns to be in place before any home is built, and automatic fire sprinklers in every residence, working before a Certificate of Occupancy is issued. The same report notes the applicant resolved the need for a fire protection waiver. That issue has history on this land. In July 2022, the Commission denied an earlier 49-lot plan for about 183 acres here, along with a fire-flow waiver, on a 6-4 vote.
The county's May 2026 monthly report lists PZ-26-006 as approved with binding elements. The staff report notes the Commission can change binding elements at the hearing, so the adopted list is the one that counts. For a buyer, the takeaway is the same either way. On rural lots, the conditions of approval can decide what goes into the house itself, and that's a different question from how fast the subdivision fills in.
Five Steps Between a Vote and a Front Door
A Planning Commission approval is the first public milestone, not the last. Oldham County's own process puts several more steps between that vote and a house you can tour:
- Preliminary subdivision plan approval by the Planning Commission, with binding elements attached.
- The binding elements themselves, which can include an annual permit cap, a ban on further lot splits without Commission review, and site-specific requirements like cisterns.
- Construction plans submitted to the County Engineer. Under the county's design guidance, land-disturbing work follows plan approval, permits and bonding.
- A recorded plat, which the county's monthly reports track by subdivision name and lot count.
- Building permits, issued one house at a time and capped each year where the approval says so.
Recorded plats are the clearest sign a project has moved past the paperwork. The county's monthly reports list them by name. Reserve at Paramont Section 2 recorded 32 lots on May 28, 2026, and Royal Oaks Section 3 recorded 67 lots on August 21, 2026. The September 2026 report counts 205 recorded new subdivision lots for the year to date.
Where the 2026 Pipeline Stands
Here are the residential approvals discussed above, sorted by how far along they are.
| Project | Location | Lots | Annual permit cap | Status in county records |
|---|---|---|---|---|
| Royal Oaks Section 3 | Oldham County | 67 | Not stated in the monthly report | Plat recorded August 21, 2026 |
| Reserve at Paramont Section 2 | Oldham County | 32 | Not stated in the monthly report | Plat recorded May 28, 2026 |
| Rose Island Glen II, PZ-26-022 | Rose Island Rd., Prospect | 64 on 102 acres | Not stated in the monthly report | Approved with binding elements, August 25, 2026 |
| Old Sligo, PZ-26-006 | 5401 Old Sligo Rd., La Grange | 27 on 169.14 acres | 28 per the staff report | Approved with binding elements, May 26, 2026 |
| Pine Grove | 10201 Hwy. 329, Prospect | 93 on 156.4 acres | 35 | Preliminary plan approved March 25, 2025 |
At the same August 25 meeting that approved Rose Island Glen II, the Commission also approved a revised development plan from Traditional Town, LLC for Norton Commons Hamlet 3C, a 62.2-acre PUD at 6212 Schuler Lane in Prospect. If a builder or a sales sheet points you to a subdivision on this list, the county's Planning & Development monthly report will show which step it's on.
The Haunz Lane Hearing
The largest residential proposal on the Commission's fall calendar came up on Tuesday, October 27. Docket PZ-26-019, filed by Intrepid Real Estate, covers 188.89 acres at 6101 Haunz Lane in Crestwood. It asks for a zoning map amendment, a development plan and a preliminary subdivision plan. The land is currently zoned I-2 Heavy Industrial, CO-1 Conservation/Residential and R-2 Residential, and the proposed zoning is PRD, Planned Residential District. The case appeared as postponed on the August 25 agenda before returning in October.
The October 27 agenda does not list a lot count. Watch for the binding elements, whichever way the vote goes. A residential plan on this much land falls under the same Section 7.6 school-capacity review as Pine Grove. If an annual permit cap is attached, it will say more about how Haunz Lane fills in over the next several years than the acreage does. The same agenda included an amended PUD master plan for Oldham Reserve in La Grange, filed by OR Partners and the Oldham La Grange Development Authority. The outcomes of both cases will appear in the county's next monthly report.
Everything above describes public planning records and is general information, not legal or financial advice. Before you rely on a specific condition of approval, confirm it with the county and with your own attorney.
If you're deciding between a lot in a phased subdivision and a resale home that's ready now, the trade-off comes down to timing. Dee Amber Anderson and our team can pull the approval terms for any Oldham County subdivision you're considering and compare them with what the resale market has to offer. And if you own a home near one of these projects, request a complimentary home valuation to see where your house stands while new supply is still arriving one permit year at a time.
