Sitework takeoff
Clearing, stripping, engineered fill and grading quantities for low-lying lots draining to the Cooper River.
CY · SF · LFHanahan, SC
Construction estimating services in Hanahan, SC
Hanahan sits between the Cooper River and the Charleston metro, where low-lying lots, tidal groundwater and Lowcountry humidity shape every takeoff. We produce CSI-formatted quantity takeoffs and estimates for contractors and owners building here.
24–48 hours for most projectsTypical turnaround
Every CSI divisionSitework through MEP
Hanahan ZIP pricingLocal material and labor
Price confirmed firstBefore any work starts
Census BPS · Hanahan · 2025Real permit data
Hanahan new housing permits2025
New housing units41Change vs. 2024−58%Permitted construction value$18MAverage value per unit$446,600Rank among covered South Carolina cities#22
Single-family: 39 (95%)Multifamily: 2 (5%)
U.S. Census Bureau, Building Permits Survey, 2025. Residential only.
What makes construction estimating in Hanahan different?
Three drivers dominate: high water tables and tidal influence near the Cooper River, which push foundation and dewatering scope; Lowcountry humidity and wind-driven rain, which drive roofing, envelope and ventilation detailing; and Charleston-metro labor and material pricing that rarely matches upstate South Carolina numbers.
- Hanahan permitted 41 new housing units in 2025, #22 among the South Carolina cities we cover.
- About 5% were in multifamily buildings; 95% were single-family.
- Permit volume was down 58% compared with 2024.
Hanahan is a small city in Berkeley County, wedged between Goose Creek, North Charleston and the Cooper River. Most of the work we price here is residential — detached homes, additions, and small multifamily — plus light commercial along the Rivers Avenue and Remount Road corridors. The city issues its own residential permits, and the 2025 Building Permits Survey counted 41 new privately-owned residential units there, down from 97 the year before. That 58% drop matters for bidders: fewer jobs means more contractors chasing each one, and thin margins leave no room for a missed line item.
We build estimates from your plan set, not from a square-foot rule of thumb. Foundation and sitework quantities are separated from the building shell because in Hanahan they behave differently — a slab on grade near the tidal marsh needs different vapor barrier and base preparation than one on higher ground. If you are pricing work across the region, our South Carolina construction estimating page covers how we handle the rest of the state, and the residential estimating services page describes the takeoff format in detail.
- Coverage
- Hanahan and nearby South Carolina communities
- Deliverable
- Excel estimate + marked-up PDF plans
- Pricing basis
- Hanahan ZIP-code material and labor costs
- Turnaround
- 24–48 hours for most projects
- Software
- Bluebeam Revu, PlanSwift, RSMeans data
01
For bidders. You need a bid that survives scope review. We break out sitework, foundation, framing, envelope and MEP separately so you can see what you are actually carrying before you sign a lump sum.
02
For builders. You need quantities you can buy from. Our takeoffs give you CY of concrete, LF of pipe, squares of roofing and TON of rebar, organized by CSI division and ready to send to suppliers.
03
For owners. You need a budget before you commit. We price your plans with ZIP-code-adjusted material and labor rates so the number reflects Charleston-metro conditions, not a national average.
Hanahan by the numbers
Hanahan's residential construction pipeline
Select a bar to compare Hanahan with the largest South Carolina markets we cover.
41New housing units, 2025
0.4%Of all units in the South Carolina cities we cover
$18MPermitted residential value
5%In multifamily buildings
New housing units permitted in 2025. Source: U.S. Census Bureau, Building Permits Survey.
This city
Hanahan
41 new housing units in 2025 (-57.7% vs 2024).
39 single-family · 2 multifamily (5%).
A small permit market with outsized competition
Hanahan issued 41 new privately-owned residential units in 2025, down from 97 in 2024 — a 58% decline, and 22nd of 23 covered South Carolina cities by unit count. Thirty-nine of those units were single family and only 2 were multifamily, so the market is almost entirely detached and small-scale. For bidders this is a volume problem: fewer permits means the same pool of Charleston-metro subs is bidding every job, and the low bidder is usually the one who missed something. The permitted value was about $18M, or roughly $446,600 per unit, which tells you these are not entry-level builds. If you are also tracking work in North Augusta or Conway, the same discipline applies: price the plan, not the market average.
Coastal Lowcountry cost drivers
Hanahan's elevation is low and much of the city drains toward the Cooper River and its tidal creeks. That means engineered fill, moisture-conditioned base, vapor retarders under slabs, and sometimes dewatering or pile-supported foundations. Humidity is a year-round factor: HVAC latent loads, duct sealing, and exterior envelope detailing all carry more cost here than the same square footage in the Upstate. Wind-driven rain drives flashing and drainage-plane scope, and the adopted code edition governing wind and flood provisions should be confirmed with the City of Hanahan building department and Berkeley County before you finalize a bid. Our foundation estimating services and roofing estimating services pages cover the takeoff methods we use for both.
Services
Construction estimating services in Hanahan
We price the scopes that actually appear on Hanahan plans, from marsh-adjacent sitework to the building shell and MEP rough-in.
Foundation estimating
Slab-on-grade, stem wall and pile-supported foundation pricing with vapor barrier and base course separated.
CY · SF · EAConcrete estimating
Footings, slab, driveways and flatwork priced with formwork, reinforcement and finish by pour.
CY · SF · TONFraming takeoff
Floor, wall and roof framing with stud, plate, header and sheathing counts by member size.
LF · EA · SFRoofing estimating
Shingle, metal and low-slope assemblies with underlayment, flashing and ventilation quantified.
SQ · LF · EAMEP estimating
HVAC latent-load sizing, ductwork, plumbing rough-in and electrical devices for humid coastal conditions.
LF · EA · TONResidential estimating
Custom homes, additions and small multifamily priced division by division from the plan set.
SF · EA · LSCommercial estimating
Tenant fit-outs and light commercial along the Rivers Avenue and Remount Road corridors.
SF · LF · EAWho we provide estimates for
Who we run takeoffs for in Hanahan
General contractors bidding city work
Hanahan issues its own residential permits, so you are bidding against local builders who know the inspection sequence. We separate sitework, foundation, framing and MEP so your lump sum survives scope review.
Custom home builders
Detached homes made up 39 of the 41 permitted units in 2025. We take off studs, sheathing, trusses and roofing squares from your elevation set so your material order matches the plans.
Addition and renovation contractors
Older housing stock near the Cooper River gets room additions, screened porches and roof replacements. We quantify demolition, temporary weather protection and tie-in framing that square-foot pricing misses.
Light commercial subcontractors
Small retail and service buildings along Remount Road and Rivers Avenue need division-by-division quantities. We break out concrete, masonry, storefront glazing and MEP rough-in so you can price your trade only.
Sitework and utility contractors
Low-lying parcels near the tidal marsh need cut/fill, base preparation and storm drainage priced separately. We compute CY of excavation, LF of pipe and TON of stone from your grading plan.
Owners and developers budgeting early
With permit volume down 58% year over year, you want a defensible number before you commit. We price your plans with ZIP-code-adjusted material and labor rates for the Charleston metro.
Where we provide estimates
Hanahan areas and nearby communities we cover
We price projects across Hanahan and the surrounding Berkeley and Charleston County communities. If your job sits near the Cooper River, the Goose Creek line or the Rivers Avenue corridor, the takeoff reflects the local ground and haul conditions.
Central Hanahan
- Hanahan city center
- Yeamans Hall Road corridor
- Remount Road corridor
- Rivers Avenue corridor
- Otranto
Waterfront and low-lying areas
- Cooper River shoreline
- Goose Creek
- Hanahan Landing area
- Berkeley County marsh frontage
Nearby cities we cover
Property types
Types of Hanahan properties we estimate
The 2025 permit mix was almost entirely detached housing, with a small share of multifamily. We estimate each property type with the divisions and units that trade contractors actually buy from.
Detached single-family homes
The core of Hanahan's residential permits. We take off slab or crawlspace foundation, wood framing, roof trusses, siding, and MEP rough-in from your plan set, organized by CSI division.
Watch for: Slab vapor barrier, rebar schedule, truss layout and window flashing.
Small multifamily buildings
Duplexes and small apartment buildings account for a small share of permits. We separate common areas, unit-by-unit finishes and shared MEP so you can price per door.
Watch for: Fire separation, shared utility runs and per-unit finish schedules.
Additions and renovations
Older homes near the river get room additions, kitchen expansions and porch enclosures. We quantify selective demolition, tie-in framing and finish matching.
Watch for: Demo disposal, structural tie-ins and existing wall condition.
Light commercial and retail
Small service buildings and retail along Remount Road and Rivers Avenue. We break out concrete, masonry, storefront, roof and MEP by division.
Watch for: ADA compliance, storefront glazing and grease or venting requirements.
Industrial and warehouse space
Berkeley County has industrial land near the port and rail lines. We estimate slab-on-grade, tilt-wall or metal building systems, and heavy power runs.
Watch for: Slab thickness, column reactions and electrical service capacity.
Sitework and utilities packages
Low-lying parcels need grading, fill, storm drainage and utility connections priced before the building shell. We compute CY, LF and TON from your civil sheets.
Watch for: Cut/fill balance, pipe bedding and dewatering allowance.
Local factors
What changes a construction estimate in Hanahan
Hanahan sits between the Cooper River and the Charleston metro, so ground conditions, flood rules and labor availability move the number more than the building type does. Each estimate reflects the site, not a regional average.
Code and permitting
Hanahan issues its own residential permits, and Berkeley County handles other reviews. The adopted editions of the IBC, IRC, IECC and NEC apply, and coastal flood provisions can add elevation certificates, flood vents and breakaway wall details. Confirm the adopted code edition and local amendments with the Hanahan building department before you finalize your bid.
City of Hanahan building department · Berkeley County · IBC/IRC/IECC/NECSoils and foundations
Much of the city sits on low-lying coastal plain soils with a shallow water table near the marsh. That pushes foundation choices toward engineered fill, deeper footings or piles, and thicker vapor barriers. A geotechnical report changes the concrete and rebar quantities more than any finish selection. We price foundation work separately so you can see the difference.
Coastal plain soils · shallow water table · geotechnical reportClimate and hazards
Hurricane wind zones and flood insurance rate maps drive roof sheathing nailing, roof-to-wall connections, window ratings and exterior attachment schedules. Wind-borne debris regions can require impact-rated glazing. These items add cost that a generic national estimate will not carry, so we check the current wind and flood maps for your parcel.
Hurricane wind zone · FEMA flood maps · impact-rated glazingLabor market
Charleston-metro labor rates and crew availability affect the installed cost of every trade. When permit volume drops, as it did in 2025, contractors sharpen bids, but skilled trades remain tight. We use ZIP-code-adjusted labor rates for the Hanahan area rather than a state average, and we note trades where the local pool is thin.
Charleston metro labor rates · ZIP-code adjustment · trade availabilitySite and drainage
Flat lots with tidal influence need positive drainage, swales, retention or detention, and sometimes dewatering during excavation. Stormwater requirements can add pipe, stone and grading beyond the building pad. We take off drainage and earthwork from the civil sheets so those costs are not buried in a site allowance.
Stormwater management · dewatering · retention/detentionMaterials and logistics
Most materials arrive from Charleston-area suppliers, so haul distance is short, but coastal exposure calls for corrosion-resistant fasteners, connectors and flashing. Roofing underlayment and siding must meet wind-driven rain requirements. We price material quantities with waste factors typical for the trade and note any long-lead items.
Charleston suppliers · corrosion-resistant fasteners · wind-driven rain detailsHanahan estimating guide
How Hanahan conditions show up in a takeoff, trade by trade
Hanahan sits between the Cooper and Ashley rivers in Berkeley County, where flat coastal lots, high groundwater, and a hot-humid summer drive what you actually measure and price.
Sitework and grading
Most Hanahan lots are low and near tidal water, so a takeoff that stops at building pad limits will miss the real money. We measure clearing by acre, then strip topsoil by cubic yard using an assumed depth you confirm from the geotech report. Cut and fill is balanced from spot elevations on the civil drawings, and we carry import or export as a separate line because haul distance to a Berkeley County disposal site swings the number hard. Underdrain, silt fence, and stabilized construction entrance are counted by linear foot and each. For a fuller breakdown of these items, see our sitework estimating services.
Framing and carpentry
Hanahan residential work is mostly wood frame, and the takeoff starts with plate height and wall length, not a floor area factor. We measure exterior walls by linear foot at each plate, add for corners and openings, then convert to board feet for plates, studs, and headers. Roof framing is taken off by rafter length and count, with hip and valley conditions counted individually. Sheathing is measured by sheet with a typical 5 to 10 percent waste on cuts. Treated lumber is separated from interior framing because the price gap is real. See framing estimating services for the full line-item structure.
MEP rough-in
Mechanical, electrical, and plumbing takeoffs in Hanahan are driven by fixture count and run length, not by square footage alone. We count fixtures from the plumbing plans, then measure supply and drain lines by linear foot by pipe size. Electrical is taken off by device count, fixture count, and home run length to the panel. HVAC is measured by tonnage, duct length by size, and register count. In coastal crawl spaces, duct insulation and vapor barrier details add lines that flat-rate pricing often misses. Our MEP estimating services page covers how we organize these divisions.
Foundations and concrete
Near-downtown Hanahan and the older tracts along Remount Road, you run into fill and high water tables, which usually means engineered fill, a vapor barrier, and sometimes a raised stem wall or piling system. We take off continuous footings by linear foot, spread footings by count and cubic yard, and slab area by square foot with a typical 5 to 8 percent waste on concrete. Rebar is converted from drawings to tons by bar size. If your drawings show pile caps and grade beams, we price them separately rather than burying them in the slab. Our foundation estimating services and concrete estimating services cover both scenarios.
Roofing and envelope
The coastal exposure here means wind uplift ratings and underlayment details affect both material and labor. We measure roof area by slope from the plan dimensions, add for hips, ridges, and valleys by linear foot, and count penetrations, boots, and vents each. Ice and water shield is measured by eave length plus valley length, not by total roof area. For shingle roofs, we carry starter, ridge cap, and fasteners as separate lines. Metal roofs are measured by panel count and trim by linear foot. Our roofing estimating services page shows how we present these items by CSI division.
Scope gaps we see on Hanahan bids
- Underdrain and dewatering excluded, then added as a change order once the excavation hits groundwater.
- Vapor barrier and capillary break omitted from slab-on-grade pricing, especially on lots with high water tables.
- Wind uplift clips and straps not counted in the framing package, though they are required on coastal-exposed sites.
- Silt fence, inlet protection, and construction entrance left out of the sitework scope and picked up by the GC.
- Temporary power, dumpster, and final grade not assigned to any trade, so they land in general conditions late.
Free tool
Concrete volume calculator
Quick check for a single element. For a full drawing set, send the plans and we measure everything, including the items calculators miss.
Typical waste: 3–5% for slabs, 5–10% for footings and walls. Truck count assumes 10 CY loads; confirm load size with your ready-mix supplier.
Result
19.4CY
Net volume18.5 CY
Cubic feet500 CF
Ready-mix trucks (10 CY)2
80 lb bags (premix)875
Need the full takeoff with pricing? Upload your plans.
How it works
How we estimate a Hanahan project
- Read the full setArchitectural, structural, civil and MEP drawings, the geotechnical report and every addendum.
- Check Hanahan conditionsLocal code edition, site and drainage requirements, soils and any hazard rules are confirmed before the takeoff starts.
- Take off by CSI sectionQuantities measured and color-coded on the plans, so every number traces to a sheet.
- Price to HanahanMaterial and labor costs adjusted to the project ZIP code, or to your own supplier quotes and crew rates.
- Check and deliverA second estimator checks quantities before the estimate goes out.
Sample output
Sample takeoff: single-family residence in Hanahan, SC
| Section | Line item | Qty | Unit |
|---|---|---|---|
| 03 30 00 | Slab on grade, 4 in. reinforced | 1,850 | SF |
| 03 30 00 | Continuous footing, 24 x 12 in. | 168 | LF |
| 05 12 00 | Structural steel columns and beams | 1,240 | LB |
| 06 10 00 | Exterior wall framing, 2x6 @ 16 in. OC | 2,140 | SF |
| 06 10 00 | Roof framing, 2x8 rafters @ 16 in. OC | 2,760 | SF |
| 07 30 00 | Asphalt shingles, architectural | 2,900 | SF |
| 09 29 00 | Gypsum board, 1/2 in. walls and ceilings | 4,320 | SF |
| 22 11 00 | Plumbing supply and drain, PEX and PVC | 620 | LF |
Worked example: slab-on-grade concrete for a Hanahan single-family home
This example uses an illustrative 1,850 SF rectangular footprint, 50 ft by 37 ft, with a 4 in. slab and a 24 in. wide by 12 in. deep continuous footing around the perimeter. Dimensions are illustrative only; your plan dimensions govern.
Step 1 — Slab area. 50 ft × 37 ft = 1,850 SF. No deductions for a typical layout at this stage.
Step 2 — Slab volume. 1,850 SF × (4 in. ÷ 12) = 616.7 CF. Divide by 27 to get cubic yards: 616.7 ÷ 27 = 22.84 CY.
Step 3 — Footing volume. Perimeter = 2 × (50 + 37) = 174 LF. Cross-section area = 2 ft × 1 ft = 2 SF. Volume = 174 × 2 = 348 CF ÷ 27 = 12.89 CY.
Step 4 — Total concrete. 22.84 + 12.89 = 35.73 CY. Add a typical 5 to 8 percent waste for pump loss and over-excavation: 35.73 × 1.07 = 38.23 CY. Round to 38.5 CY for ordering.
Step 5 — Vapor barrier. 1,850 SF plus 10 percent for laps and perimeter turn-up = 2,035 SF. Convert to 10 ft × 100 ft rolls: 2.04 rolls, order 3.
Step 6 — Rebar. Slab mesh at 6x6-W2.9xW2.9 covers 1,850 SF plus 10 percent laps = 2,035 SF. Footing longitudinal bars: 4 bars × 174 LF = 696 LF, plus dowels and laps at 10 percent = 766 LF. Convert to tons using 0.668 lb per LF for #4 bar: 766 × 0.668 = 512 lb, or 0.26 tons. Confirm bar size and spacing against your structural sheets.
| Step | Calculation | Result | Unit |
|---|---|---|---|
| Slab area | 50 × 37 | 1,850 | SF |
| Slab volume | 1,850 × 0.333 ÷ 27 | 22.84 | CY |
| Footing volume | 174 × 2 ÷ 27 | 12.89 | CY |
| Total with 7% waste | 35.73 × 1.07 | 38.23 | CY |
| Vapor barrier | 1,850 × 1.10 | 2,035 | SF |
| Rebar, #4 | 766 × 0.668 | 512 | LB |
Every one of these lines belongs under CSI Division 03 in the estimate, with waste shown separately so your supplier quote can be checked against it. If the geotech report calls for a thickened edge or a raised stem wall, the footing volume changes and the formwork line gets added. For a full Division 03 breakdown on your plans, our concrete estimating services page shows the format we deliver.
FAQ
Hanahan construction estimating questions
What does a Hanahan residential takeoff cost?
Pricing depends on project size, number of sheets, and how many trades you need measured. A single-family plan set with architectural, structural, and MEP sheets takes less time than a multi-building subdivision with civil and landscape drawings. We quote per project after reviewing the plans, and we deliver in Excel and PDF organized by CSI MasterFormat division with marked-up plan sets. Send your drawings through our get an estimate page and we will confirm scope and turnaround before starting.
How fast can you turn around a Hanahan estimate?
Most projects are delivered in 24 to 48 hours, and rush service is available when your bid date is tight. Turnaround depends on the completeness of the drawings and whether we need to send RFIs for missing dimensions or details. If your set is missing structural sheets or a geotech report, tell us up front so we can note assumptions rather than hold the whole estimate.
Do you price to Berkeley County or City of Hanahan permit requirements?
We price to the drawings and specifications you send, and we note where a line item depends on a local amendment. Hanahan projects sit in Berkeley County, and the adopted code edition and local amendments can change from one cycle to the next. Confirm the current edition with the local building department before you lock your permit set, and tell us which edition applies so we can flag any scope that shifts.
What soil conditions affect a Hanahan foundation takeoff?
Much of the Hanahan area has a shallow water table, and some tracts contain fill or soft coastal soils. Those conditions drive undercut, engineered fill, vapor barrier, and sometimes piling or a raised stem wall. We cannot know your site without the geotech report, so we take off what the drawings show and list assumptions separately. If the report calls for a different foundation system, the concrete, rebar, and formwork quantities change.
Do you handle multi-family and commercial work in Hanahan?
Yes. The same takeoff method applies whether you are pricing a duplex, a small apartment building, or a retail shell. Multi-family adds unit-mix repetition and shared MEP risers, which we measure by building and by floor. Commercial work brings more Division 03, 05, 08, and 23 scope, and we organize it by CSI division so your subcontractor quotes can be compared line by line. See our multi-family estimating services and commercial estimating services pages for the formats.
Can you estimate from a partial or early design set?
Yes, with clear assumptions. Early sets often lack structural sizes, MEP layouts, and finish schedules, so we take off what is shown and list the missing items as allowances or exclusions. That gives you a working number without pretending the gaps do not exist. As the drawings develop, we update the takeoff and show what changed.
What file formats do you need to start a Hanahan takeoff?
PDF is the most common, and we mark up the plan set as we measure. We also work from native Bluebeam Revu files, and we use PlanSwift and RSMeans data for quantity and pricing. If you have a Revit or CAD model, we can use it for dimensions, but we still verify against the drawings. Send whatever you have and we will tell you if anything is missing.
How do you handle coastal wind and flood requirements in a takeoff?
Wind and flood requirements show up as specific line items: uplift connectors, continuous load path hardware, flood vents, elevated mechanical platforms, and sometimes breakaway walls below the base flood elevation. We count these items from the structural and architectural sheets rather than applying a blanket percentage. Confirm the adopted floodplain ordinance and wind speed map with the local building department, because those requirements change the scope.
Where does your Hanahan permit data come from?
The permit figures we reference come from the U.S. Census Bureau Building Permits Survey, and they count new privately-owned residential units only. That means they exclude commercial permits, additions, and renovations. In 2025, Hanahan issued 41 new residential units, down from 97 in 2024, with 39 single-family and 2 multifamily units. Use these figures as a market indicator, not as a measure of total construction activity in the city.
Do you cover nearby cities if my project is outside Hanahan?
Yes. We cover projects across the state through our South Carolina construction estimating services, including nearby markets such as North Augusta, Easley, Simpsonville, Lexington, Conway, and Bluffton. Coastal and Upstate projects have different soil, wind, and labor conditions, so we adjust the takeoff and pricing basis accordingly. If your project is in a different jurisdiction, tell us the county and we will note the local code edition to confirm.
Other South Carolina cities we cover
Popular services in Hanahan
Send your Hanahan project plans for a quote
Send your plan set and we will return a CSI-organized takeoff with marked-up drawings, typically within 24 to 48 hours.
- We review the set and check for missing sheets or addenda.
- You get a quote with a price and a delivery date.
- You approve and we start the takeoff.
- You receive the Excel estimate and marked-up plans.