Forsyth County, GA Building Setbacks & Zoning: Lot Coverage Limits (2026)
Key Facts
- R1R, CR1, R1, R2R, R2, R3, R4, OSR
- No maximum lot coverage cap (marked NA)
- LR district
- 35% cap, new plats filed after 4/17/2025
- Older LR lots
- No lot coverage cap applies at all
- What counts
- Structures only, not driveways, pools or patios
- Agricultural districts
- A1/AG-RES have no lot coverage line (Table 15.2)
Summary
Most of Forsyth County's residential zoning districts have no maximum lot coverage percentage at all. Table 11.2(a) of the Unified Development Code marks 'NA' for lot coverage in R1R, CR1, R1, R2R, R2, R3, R4 and OSR, capping only the LR district at 35 percent, and only for subdivision plats filed after April 17, 2025.
Maximum lot coverage (Note 4) NA NA NA NA NA NA NA NA 35% (Note 6) ... Notes Table 11.2(a) ... (4) Maximum lot coverage for the purposes of this chapter means the percentage of the lot covered by all structures including primary and any accessory buildings, however lot coverage does not include other impervious surfaces such as driveways, pools, at grade patios or at grade pool decks. (6) Performance standards identified by this notation apply to LR zoned properties seeking minor or final plat subdivision where such applications are filed with the County after April 17, 2025. For all other LR zoned properties ... maximum lot coverage shall not apply.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 43).
Full Breakdown
2(a)'s 'Maximum lot coverage' row reads 'NA' for every district except LR, which is capped at 35 percent under Note 6. That note limits the cap to LR-zoned properties seeking minor or final plat subdivision approval filed with the county after April 17, 2025; for LR properties platted before that date, the note states plainly that 'maximum lot coverage shall not apply' at all, alongside a 25-foot front setback and 10-foot side setback instead of the newer standards. ' So even in LR, a large driveway or pool deck does not count against the 35 percent structural ceiling.
2, the performance standards table for A1 and AG-RES, lists minimum lot size, width, density, and front/side/rear setbacks but includes no lot coverage line whatsoever, consistent with the large-lot, low-density character of agricultural zoning. In practice this means a Forsyth County homeowner building in nearly every residential or agricultural district can cover as much of the buildable envelope as the applicable setbacks, height rules, and stormwater/impervious surface requirements allow, without hitting a separate structural lot-coverage ceiling.
Violations & Fines
Because coverage is unregulated outside LR, there is no coverage-based violation for the other residential and agricultural districts; compliance there is enforced entirely through the setback and height standards instead. For LR-zoned subdivisions platted after April 17, 2025, a site plan exceeding the 35 percent structural cap is rejected at the plat-review stage by the Planning & Community Development Department, and a builder who exceeds it after approval would need to remove or modify structures to come back into compliance.
Frequently Asked Questions
Is there a limit on how much of my lot can be covered by my house in Forsyth County?
Do driveways and pools count toward lot coverage?
Does agricultural-zoned land have a lot coverage cap?
Sources & Official References
Other rules in Forsyth County
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