Richmond County Inland wind zone

Barndominium Builders in Augusta, GA

Augusta and Richmond County have been one government since 1996, so the same department that zones your parcel also inspects the building. Augusta's Agricultural zone is not a district drawn on a map, it is the default for every acre never given another zone, and it carries no large-acreage minimum. What usually sets the real minimum lot size here is septic: most of Richmond County sits over the Cretaceous aquifer recharge area, where a house on a drain field needs a lot 110 to 150 percent larger than the state table would otherwise require.

Augusta at a glance

County: Richmond County
Population: 201,980
Cities and towns: Augusta, Hephzibah, Blythe

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Building conditions in Augusta

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 Augusta, drawn from the sourced facts on this page. Every figure above is cited in the quick-facts panel below, with its source and vintage.

Permitting authority

Augusta Planning & Development Department, one office for the whole consolidated city-county. Construction and permitting at 1803 Marvin Griffin Rd, zoning at 535 Telfair Street.

Augusta Planning & Development Department, augustaga.gov/3176/Planning-Development, fetched 31 Aug 2026

Building code enforced

Augusta enforces the current Georgia mandated codes by rolling adoption: Title 7 says the latest edition promulgated by the Department of Community Affairs applies. The 2024 codes with Georgia Amendments took effect here on 1 January 2026 without any separate local ordinance.

Augusta-Richmond County Code, Title 7, Ch. 1, Secs. 7-1-1 and 7-1-16, Municode, fetched 31 Aug 2026

Design wind speed

115 mph. Georgia jurisdictions fill in their own design criteria table, so we confirm the adopted figure with Planning & Development before a frame is engineered.

Corroborated from the South Carolina Building Codes Council wind speed map for Aiken County across the river and Fayette County, Georgia's published criteria table, both fetched 31 Aug 2026

Zoning and minimum lot

The A (Agricultural) zone covers all of Augusta except land specifically given another zone. Single-family homes are permitted there and built to R-1 standards: minimum 15,000 sq ft and 100 ft of lot width, with lot coverage capped at 30 percent.

Comprehensive Zoning Ordinance of Augusta, Georgia, Secs. 7-1, 8-7 and 8-9, November 2019 edition, augustaga.gov, fetched 31 Aug 2026

Septic on the recharge area

The Cretaceous aquifer recharge area covers most of Richmond County. A new home on a septic tank and drain field needs a lot at least 110 percent of the state table minimum on low susceptibility soil, 125 percent on medium and 150 percent on high, approved by the Richmond County Health Department.

Augusta Groundwater Recharge Area Protection Ordinance, adopted October 1998, described in Augusta-Richmond County Comprehensive Plan Ch. 8, augustaga.gov, fetched 31 Aug 2026

Plan review turnaround

Single-family plans are reviewed within two days of submittal, and same day if you book a review appointment. Commercial runs to 14 working days.

Augusta Planning & Development, Plan Review Information, augustaga.gov/1098/Plan-Review-Information, fetched 31 Aug 2026

Also worth knowing before you build in Augusta

Savannah River corridor: Within 100 feet of the river bank a single-family dwelling needs a tract of at least two acres, only one dwelling per tract, and the drain field must sit outside the buffer even though the tank may sit inside it.
Soils at the Fall Line: Augusta sits where the Savannah River crosses the Fall Line. About two thirds of Richmond County is well-drained Sand Hills and Coastal Plain soil with a sandy surface over loamy subsoil, not the shrink-swell red clay of North Georgia. Around a fifth is poorly drained floodplain soil.
Floodplain: The Savannah River floodplain runs the entire northeastern side of the county and covers about 63 square miles. Work in a flood zone needs a flood permit and an elevation certificate through Zoning before a building permit can be issued.
Fort Gordon: The Army post southwest of the city covers roughly 55,600 acres, about 87 square miles, most of it inside Richmond County. It is a large share of the county that is simply not available to build on.
Land market: About 1,700 acres of rural land and property listed in Richmond County, worth more than $116 million. Recorded sales run to a median around $7,675 an acre against a median asking price nearer $10,162.
Zoning rewrite underway: Augusta's zoning ordinance dates to the 1960s and is being comprehensively rewritten with consultants WSC White Smith Cousino, with extra funding approved in August 2026. Setbacks and district rules quoted today may not survive the rewrite, so we re-check them at design stage.

Below the slab

The expensive surprises are in the ground, not the building

Most of Richmond 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 Augusta

All nine services are available across Richmond County. The three below are where a project on a Richmond 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 Richmond County

What a build looks like

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

Stage one

The parcel

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

Stage two

Pad and permit

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

Stage three

Frame to finish

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

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

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Where we build around Augusta

Richmond 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 Augusta service area, covering Richmond 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 Augusta 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 Augusta 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.

Clarke County

Bibb County

Chatham County

Building in Augusta: common questions

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

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Does Augusta actually inspect a barndominium, or can I build one uninspected?

Augusta inspects. The Planning & Development Department's Construction Division runs building, electrical, gas, mechanical and plumbing inspections for the consolidated city-county, and Title 7 of the code makes that department responsible for enforcing the mandated codes. Some rural Georgia counties run no inspection department at all; Augusta is not one of them. Even a homeowner doing their own work has to pull a permit, pay the fees and call for inspections. Requests in by 4:00 pm are scheduled for the next business day.

My land is zoned A for Agricultural. Does that mean I can't put a house on it?

The opposite. In Augusta the A zone is the default for every acre that was never specifically given another zone, so a great deal of the county sits in it, and single-family homes are a permitted use. You build to R-1 standards: 15,000 square feet minimum lot, 100 feet of width, 30 feet of front setback on a minor street, and no more than 30 percent of the lot covered by buildings. What you cannot do is call the finished house an agricultural building. In Georgia the farm building exemption applies only to structures not used for residential purposes, so a barndominium is a house and is permitted and inspected as one.

How big does my lot need to be for septic in Richmond County?

Bigger than the zoning minimum, in most of the county. Most of Richmond County lies over the Cretaceous aquifer recharge area, and Augusta's groundwater ordinance requires a new home on a drain field to have a lot at least 110 percent of the state minimum on low susceptibility soil, 125 percent on medium and 150 percent on high. Richmond County has both medium and high susceptibility ground. The order of operations matters: a soil evaluation through Richmond County Environmental Health comes before you know what the lot will actually support, and the health department has twenty days to act on a construction permit application.

What wind speed will you engineer my frame to?

Georgia does not set one number for the state. The residential code leaves the design criteria table for each jurisdiction to fill in, so the honest answer for Augusta is that we confirm the adopted figure with Planning & Development for your parcel before anything is engineered. The corroborating maps for this side of the Savannah River point at 115 mph, and we design to the confirmed figure rather than a map reading. A clear-span rigid frame does not fit any of the code's prescriptive paths, so those elements get engineered regardless of what the number turns out to be.

My parcel backs onto the Savannah River. Does that change anything?

Yes, within 100 feet of the bank. The Savannah River Corridor Protection District requires a single-family dwelling there to sit on a tract of at least two acres, allows only one dwelling per tract, and requires the natural vegetative buffer to be kept. The septic tank may be inside the buffer but the drain field may not. Separately, if any part of the work falls in a mapped flood zone you need a flood permit and an elevation certificate from Zoning before Construction will issue the building permit.

How long does the permit take in Augusta?

Faster than most of the metro counties. Augusta publishes a two-day turnaround on single-family plan review, and will do a same-day review if you book a time with a reviewer. You will get an email confirming the application within one business day. The submittal set for new residential is specific: application, plans, plot plan, RESCheck, water and sewer tap receipts, septic tank receipt where applicable, compacted fill material form and a termite memorandum. Once the permit issues, start work and get an inspection within six months or it goes void.

Building in Augusta?

Start with the plan. Tell us what you want to build and we will draw it, then confirm what Richmond 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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