Carroll County Inland wind zone

Barndominium Builders in Carroll County, GA

Carroll County is one of the few places in Georgia that has written its own rule for this kind of building. Since 1 August 2021 the county has required a professional engineer's letter of approval at every inspection on a barndominium, and its permit forms carry a Barndominium checkbox alongside Conventional Home and Manufactured Home. It sits inside the Atlanta metro statistical area and is still majority-rural by population, with a four-acre minimum lot in the Agricultural district that keeps the farmland from breaking into subdivisions.

Carroll County at a glance

County
Carroll County
Population
131,000
Cities and towns
Carrollton, Villa Rica, Temple, Bowdon, Bremen, Mount Zion, Whitesburg, Roopville
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Building conditions in Carroll County

What actually changes from one Georgia jurisdiction to the next: who issues the permit, what wind speed the structure has to be engineered to, and what the ground is like. These are the numbers your drawings have to satisfy.

Build conditions for Carroll County, Carroll County: design wind speed Confirmed per parcel, inland. BUILD CONDITIONS CARROLL COUNTY, GACarroll CountyINLAND WIND ZONEOUTSIDE WBDR DESIGN WIND SPEED Confirmed per parcelGeorgia jurisdictions fill in their own design criteria table; we confirm the figure withCommunity Development before plans are drawnZONING · A (AGRICULTURAL)Four acres, 125 ft widthA single-family dwelling is a permitted use in A, not a conditiona…WHO ISSUES THE PERMITCarroll County Department of Community Developme…423 College Street, Carrollton. Inspections booked by 4:30 p.m. th…
Build conditions for Carroll County, drawn from the sourced facts on this page. Every figure above is cited in the quick-facts panel below, with its source and vintage.
Barndominium engineering rule
Since 1 August 2021 the county has required a professional engineer's letter of approval for every inspection on a barndominium home, plus an engineer's letter of approval for the completed project before the certificate of occupancy.

Carroll County Department of Community Development, "Carroll County Barndominium Requirements", carrollcountyga.gov/DocumentCenter/View/6045, fetched 31 Aug 2026

The rule for every other house
Sec. 18-15(d)(4) of the county code: single-family dwellings, regardless of size, require neither a registered architect nor an engineer. A conventional house here needs no engineer. A barndominium does.

Carroll County Code of Ordinances, Ch. 18, Art. I, Div. 2, Sec. 18-15(d)(4), Municode version 21 Aug 2023, fetched 31 Aug 2026

Agricultural district minimum lot
Four acres, with 125 feet of width at the setback line. Single family dwellings, conventional and manufactured, are a permitted use in the A district.

Carroll County Code of Ordinances Sec. 102-8, 8.1 Agricultural (A), Municode version 21 Aug 2023, fetched 31 Aug 2026

Building code enforcement
Carroll County has run a building department since 3 June 2003 and adopts the full slate of state minimum standard codes by reference. Permits, plan review, inspections and a certificate of occupancy all apply in the unincorporated county.

Carroll County Code of Ordinances Sec. 18-12(b) and 18-14(a)(3), Municode, fetched 31 Aug 2026

Design wind speed
Confirmed per parcel. Georgia's design criteria table is filled in by the jurisdiction rather than set by the state, so we take the figure from Community Development for your address before the frame is designed.

2024 IRC with Georgia Amendments, Table R301.2 and R301.2.1; Carroll County Code of Ordinances Ch. 18 sets no local design criteria. Checked 31 Aug 2026

Septic
One acre minimum for an on-site sewage system where there is no centralised water, half an acre where there is, and more if the soil demands it. The septic application goes to Environmental Health in Room 508 at 423 College Street, five doors from the building permit counter in Room 503.

Carroll County Comprehensive Plan, Ch. V Community Facilities and Services; Carroll County Residential Building Permit Packet, Steps 2E and 3B, carrollcountyga.gov, fetched 31 Aug 2026

Also worth knowing before you build in Carroll County

Barndominium on the permit form
The county's residential permit packet lists Barndominium as a building type on both the zoning compliance sheet and the plan review sheet, next to Conventional Home and Manufactured Home.

Carroll County Residential Building Permit Packet, Parcel Information Sheet and Plan Review Sheet, carrollcountyga.gov/DocumentCenter/View/2155, fetched 31 Aug 2026

Front setback from the centre line
The front setback is always measured from the centre line of the frontage road, not the property line: 100 feet on a county road, 125 feet on a state or federal highway. On a shallow parcel this is what moves the house.

Carroll County Code of Ordinances Sec. 102-8, 8.1.3; Carroll County Residential Building Permit Packet, sketch instructions. Fetched 31 Aug 2026

How rural the county actually is
54.4 percent of Carroll County residents lived in rural areas at the 2020 census, and 45.6 percent in urban areas, in a county that is part of the Atlanta metropolitan statistical area.

2020 US Census urban and rural tabulation for Carroll County, Georgia, fetched 31 Aug 2026

County land area
321,313 acres across 503 square miles, at 214 people per square mile.

Carroll County, Demographics & Other County Information, carrollcountyga.gov/295, fetched 31 Aug 2026

Agricultural conservation easements
The county partners with USDA NRCS to buy permanent agricultural easements. Enrolled parcels are at least 20 acres and are allowed one one-acre building envelope for new construction, permanently. Worth checking the title before buying acreage here.

Carroll County ACEP-ALE Basic Requirements, April 4 2025 revision, carrollcountyga.gov/161, fetched 31 Aug 2026

Starting without a permit
Beginning work on a home before the permit is issued carries a penalty of 100 percent of the usual permit fee on top of the fee itself.

Carroll County Code of Ordinances Sec. 18-15(i)(2), Municode, fetched 31 Aug 2026

Below the slab

The expensive surprises are in the ground, not the building

Most of Carroll County rates poorly for dwellings in the soil survey, and the reason is water sitting close to the surface rather than weak ground. That makes the pad elevation and the drainage plan the two line items most likely to move your budget. We price the dirt before we price the building.

What we build in Carroll County

All nine services are available across Carroll County. The three below are where a project on a Carroll County parcel usually starts — the permit, the drawings, and the build itself. What a build costs depends far more on the parcel than on square footage, so we price against your land rather than publishing a rate card.

Permitting & Engineering

Sealed structural engineering and the permit that depends on it, from submittal through final inspection.

Custom Plans

Barndominium floor plans drawn to your land, your family, and the 2024 Georgia residential code.

Turnkey Builds

Start to finish barndominium construction: we handle permits, slab, shell, and full interior finish.

All nine services we build in Carroll County

What a build looks like

Three stages every Carroll County project passes through, from a raw parcel to a finished home. Site work first, because that is where the budget is decided.

Aerial view of an undeveloped rural Georgia lot with cleared grass, pine treeline and a red clay access track.
Stage one

The parcel

Zoning, setbacks, flood zone and utility access get checked before anything is drawn.

An excavator grading a compacted building pad on a cleared lot, with survey stakes and a drainage swale visible.
Stage two

Pad and permit

Clearing, grading and a compacted pad, while the submittal works through Carroll County.

A finished barndominium at dusk with warm interior lighting glowing through its large windows.
Stage three

Frame to finish

Shell erected and dried in, then systems, insulation and interior finish through to CO.

Those are the rules for Carroll County. Tell us what you want to build and we will draw it to them.

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Where we build around Carroll County

Carroll County and the rural land around it. The buildable acreage for a project this size usually sits outside the city limits, which is frequently what changes who issues your permit.

Our Carroll County service area, covering Carroll County and the surrounding rural acreage. We build across this area from our office in Macon, GA — this map marks the territory we serve, not a branch location.

Keep reading

The questions that usually come next once you know what Carroll County allows.

Barndominium Cost Guide

Sourced per-square-foot ranges by tier and by size, with a calculator built on the same figures.

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Is It Legal in Georgia?

Classification, zoning, the HOA gate, and the agricultural exemption that does not cover a home.

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How Long Does It Take?

Census build-duration data, and the Georgia statute setting the permit clock.

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Sources for this page

The primary documents behind the Carroll County figures above. We would rather you checked them than took our word for it.

Nearby areas we build in

Others we cover in this part of Georgia. The permitting authority, the adopted design criteria and the zoning can all differ from one to the next.

Paulding County

Paulding County
Coweta County

Coweta County
South Fulton

Fulton County

Building in Carroll County: common questions

6 questions we get asked most often about building in Carroll County. If yours is not on the list, ask it directly.

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Does Carroll County allow barndominiums?
Yes, and it is unusually explicit about it. The county's residential permit packet lists Barndominium as a building type on the form, and Community Development publishes a one-page sheet of barndominium requirements. In the Agricultural district a single family dwelling is a permitted use, so no rezoning or hearing is needed to build a house on agricultural land, provided the parcel meets the four-acre minimum.
Why does Carroll County want an engineer on a barndominium when it does not want one on a regular house?
Because the buildings are not structurally the same. Section 18-15(d)(4) of the county code exempts single family dwellings of any size from needing an architect or engineer, which works for a conventional stick-built house because it fits one of the prescriptive standards the residential code recognises. A clear-span rigid frame or a post-frame building fits none of them, so those elements have to be designed to accepted engineering practice. Since 1 August 2021 the county has required a professional engineer's letter of approval at every inspection on a barndominium, and an engineer's letter of approval of the complete project before the certificate of occupancy. We plan for that from the first drawing rather than discovering it at the footing inspection.
What is the minimum lot size for a barndominium in Carroll County?
In the Agricultural district it is four acres, with at least 125 feet of width at the setback line. That is double the two-acre floor common in the exurb counties north of Atlanta and it is the main reason Carroll's farmland has not broken into small lots. The Residential district minimum is one acre, but that district only permits one-family conventional dwellings and expressly prohibits manufactured homes and secondary detached dwellings. Most barndominium projects here sit on agricultural land.
Do I need county permits if my address says Carrollton or Villa Rica?
Not necessarily the county's. Carroll County Community Development permits and inspects the unincorporated county from 423 College Street in Carrollton. Carrollton, Villa Rica, Bowdon, Temple, Mount Zion, Roopville and Whitesburg run their own building departments inside their city limits. A postal address is not evidence of jurisdiction, so the first thing we do is confirm the parcel against the county's map room rather than the mailbox.
Will my land perc, and how does septic work here?
Most of Carroll County is on septic. Centralised sewer exists only in Carrollton, Villa Rica, Bowdon and Temple. The Georgia rule the county applies is one acre minimum for an on-site sewage system where there is no centralised water and half an acre where there is, with more required if the soil calls for it. On a four-acre agricultural parcel the zoning minimum is well above the septic minimum, so the question is soil quality and layout rather than acreage. The septic application goes to Environmental Health at 423 College Street, Room 508, and Community Development will not finish the building permit review until Environmental Health has approved it. Carroll County Water Authority runs over 750 miles of water line, so a rural parcel here is far more likely to have water at the road than sewer, which drops the septic minimum to half an acre.
What design wind speed will my building be engineered to?
We confirm it per parcel with Carroll County Community Development before the frame is designed. Georgia's design criteria table is filled in by each jurisdiction rather than set once by the state, so the honest answer for any Georgia address is the number that county uses, not a figure read off a national map. Carroll County is inland, on the Alabama line, and well outside any wind-borne debris region, so there is no coastal glazing protection requirement here. What matters instead is that the frame, the connections and the anchorage are engineered rather than assumed, which the county's own barndominium policy already insists on.

Building in Carroll County?

Start with the plan. Tell us what you want to build and we will draw it, then confirm what Carroll County will actually let you put on the parcel and what wind load it has to meet. That conversation costs nothing.

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