A 28×28 garage cost usually falls between $35,000 and $105,000, with a typical project near $62,000 for a detached, two-car structure with standard finishes. Size, foundation, framing, doors, electrical work, local labor, and whether the garage is attached or detached have the largest effect on the final quote.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Complete 28×28 garage | $35,000 | $62,000 | $105,000 | 784 sq ft; standard residential build |
| Price per square foot | $45 | $79 | $134 | Shell, foundation, and finish level vary |
| Basic detached shell | $28,000 | $42,000 | $60,000 | Limited electrical and interior finishing |
| Finished garage with upgrades | $55,000 | $78,000 | $105,000+ | More insulation, power, storage, or site work |
Assumptions: U.S. suburban pricing, ordinary soil and access, standard wood framing, one concrete slab, and no major utility extension.
What a 784-Square-Foot Garage Usually Costs
A 28-by-28-foot footprint provides 784 square feet, enough for two vehicles plus storage or a modest work area. A standard detached garage with a slab, framed walls, roof, siding, two overhead doors, one entry door, and basic electrical work commonly costs $45-$105 per square foot, or about $35,000-$82,000. Higher-end work or difficult site conditions can push the total above $100,000.
The low end generally assumes a simple design, economical siding and roofing, minimal wiring, and a level site near existing utilities. The average budget of about $62,000 covers typical materials and contractor labor in a moderate-cost market. Premium windows, upgraded exterior finishes, extensive wiring, insulation, or a heated workshop change the scope rather than simply adding a small finishing charge.
For a conventional detached build, budget roughly $55,000-$75,000 before unusual site work or high-end finishes. An attached garage may cost less when it can share a wall or utility access with the house, but matching the existing roofline, tying into the structure, and meeting fire-separation requirements can offset those savings.
These figures describe new construction, not a prefabricated kit alone. A kit price may exclude the slab, delivery, assembly, permits, electrical service, and contractor overhead. Compare the complete scope and finished condition before treating a low advertised package price as a construction quote.
How Slab, Framing, Doors, and Labor Shape the Quote
Contractor estimates divide the job into site preparation, foundation, structure, exterior materials, openings, and finish work. The shares below are planning ranges for a typical $62,000 project; they can shift with local labor, material selection, and site conditions. Some contractors combine several tasks into one line, so the categories are not always presented separately.
| Quote component | Typical range | Basis | What changes the price |
|---|---|---|---|
| Site preparation and drainage | $2,000-$8,000 | Grading, excavation, base | Slope, soil, tree removal |
| Concrete slab and foundation | $7,000-$14,000 | About $9-$18 per sq ft | Thickness, reinforcement, frost depth |
| Framing, roof, and siding | $16,000-$30,000 | Walls, trusses, sheathing, exterior | Roof design, siding grade, labor |
| Doors, windows, and hardware | $3,500-$9,000 | Two overhead doors plus entry door | Door size, insulation, openers |
| Electrical and basic interior | $2,500-$10,000 | Lighting, outlets, panel connection | Wire distance, circuits, drywall |
| Permits, delivery, and overhead | $3,000-$9,000 | Project-dependent allowances | Local fees, haul distance, contractor rates |
Assumptions: The component ranges overlap because quotes allocate overhead and site work differently; they are not intended to be added at every high or low.
Labor is often embedded in each trade’s price. If a contractor separates it, general construction labor may run about $50-$100 per worker-hour, while licensed electricians can charge $75-$150 per hour. A simple planning calculation is Ask whether excavation, concrete placement, cleanup, and disposal are included rather than assuming the listed structure price covers them.
Which 28×28 Specifications Move the Price Most?
Foundation design is a major cost lever. A basic slab on a prepared, stable site may cost $7,000-$11,000, while thicker concrete, perimeter footings, reinforcement, or frost-protected construction can bring the foundation to $12,000-$18,000 or more. Local code, soil bearing capacity, and freeze depth determine what is acceptable; reducing concrete below the required specification is not a safe budget strategy.
Roof shape and pitch also matter. A straightforward gable roof is usually less expensive than a hip roof or a design with multiple valleys. Raising a roof from a low pitch to a steeper pitch, adding storage trusses, or changing to a finished attic can add roughly $2,000-$8,000, depending on spans and structural requirements.
Door dimensions alter both the door package and the framing. Two standard 9-by-7-foot overhead doors typically cost less than a single wide door or tall openings for trucks. A standard insulated door and opener package may run $1,500-$3,500 per opening installed; custom sizes or high-cycle commercial hardware can exceed that range. At 28 feet wide, confirm that the chosen openings leave enough wall space for framing and storage.
Finish level creates another meaningful spread. Basic exterior-grade construction with no drywall or heat can stay near the lower end. Insulation, drywall, interior paint, upgraded siding, multiple windows, and a subpanel can add $8,000-$25,000. A 100-amp electrical service, workshop circuits, or a long underground utility run can cost more than a few standard outlets and lights.
Changes to slab requirements, roof framing, door openings, and utility distance can each add thousands of dollars. Ask for the exact slab thickness, roof design, door count and size, insulation level, and electrical scope in the written estimate so competing quotes describe the same 784-square-foot building.
How Location and Site Access Change Garage Pricing
Regional prices vary with wages, contractor availability, code requirements, and material delivery. As a broad comparison, construction in lower-cost rural and smaller-market areas may run 10%-20% below the national planning average. Large coastal metros and high-cost Western markets can run 15%-35% above it. These percentages are directional; a nearby city and a remote site in the same state can price differently.
For a project budgeted at $62,000 in a moderate-cost area, a lower-cost market might produce a comparable quote around $50,000-$56,000. A high-cost metro could put the same general scope near $71,000-$84,000 before unusual materials or access charges. The local building department’s code requirements and prevailing trade rates are more useful than a national average when reviewing a real estimate.
Remote locations may add delivery and mobilization charges even when labor rates are lower. A concrete truck with difficult access, a long material haul, or a narrow driveway that requires smaller equipment can add $500-$3,000 or more. Steep grades, retaining needs, and poor drainage can raise site costs beyond that amount.
Assumptions: Regional comparisons hold the footprint, finish level, and basic design constant; they do not account for local taxes or extraordinary ground conditions.
Request at least one quote from a contractor familiar with local permits and soil conditions. Their estimate should identify whether the price includes survey work, stormwater measures, frost-depth footings, and delivery to the property.
How Long Construction Takes and What Crew Rates Mean
After permits and materials are ready, a straightforward garage may take about 3-6 weeks of on-site work. Excavation and slab placement often require several working days, followed by curing time; framing, roofing, siding, doors, and electrical work then proceed in stages. Weather, inspections, subcontractor schedules, and backordered doors can extend the calendar to 6-10 weeks or longer.
A small crew may include a general contractor, carpenters, concrete workers, roofers, and an electrician. The project’s labor total is not simply the number of days multiplied by one hourly rate, because specialized trades often bid by task and equipment or materials may be included. If labor is quoted separately, confirm the crew size, estimated hours, supervision, and whether cleanup is included.
Contractor overhead and profit may be included in trade totals or shown as a separate 10%-20% allowance. That is not necessarily an extra charge if it is already built into the line-item prices. Compare the final contract amount, payment schedule, and change-order terms rather than adding a percentage twice.
Calendar time affects price when delays require remobilization or when a project needs rushed scheduling. A rush request can add 5%-15% in some markets, while a flexible start date may help a contractor coordinate concrete and framing crews efficiently.
Three Realistic 28×28 Garage Quotes at Different Finish Levels
The examples below use the same 784-square-foot footprint to show how scope changes totals. They are planning examples, not fixed national bids. A contractor’s price may differ because of local wage rates, code, material availability, and the exact site plan.
| Scenario | Scope and labor | Unit price | Estimated total |
|---|---|---|---|
| Basic shell | Detached, simple gable roof, slab, standard siding, two basic doors; about 240-300 labor hours | $45-$60 per sq ft | $35,000-$47,000 |
| Typical garage | Standard slab, two insulated doors, entry door, modest electrical, finished exterior; about 320-400 labor hours | $70-$90 per sq ft | $55,000-$71,000 |
| Upgraded workshop | Enhanced insulation, drywall, extra circuits, windows, upgraded exterior; about 420-520 labor hours | $100-$135 per sq ft | $78,000-$106,000 |
The basic-shell estimate is not a turnkey price if it excludes permits, utility work, or interior finishing. The workshop example assumes ordinary access and does not include major heating equipment, plumbing, or extensive excavation. Labor-hour estimates describe combined trade hours, not the elapsed project duration.
Use these scenarios to compare scope, not just the bottom-line number. A lower quote may be appropriate if it intentionally leaves the interior unfinished, while a higher quote may include concrete upgrades, insulation, disposal, and electrical work that another bid omits.
Permit, Utility, and Removal Charges to Check Before Signing
Building permit and plan-review fees often total about $500-$2,500, but local fee schedules and project valuation can produce higher charges. A survey, engineering review, or zoning variance may add $500-$3,000 or more. Setbacks, lot coverage, drainage, fire separation, and access rules can determine whether the planned 28-by-28-foot footprint is allowed.
Utility work can be modest when the garage sits close to an existing service, or substantial when a new trench or panel upgrade is required. A short electrical connection may cost $1,000-$3,000; a longer trench, subpanel, or service upgrade can bring the work to $3,000-$10,000. Plumbing, a drain, or a separate heating system adds separate permit and installation costs.
If an old garage must be removed, demolition and disposal commonly add $4,000-$12,000 for a small detached structure, depending on materials, foundation removal, access, and hazardous-material requirements. Concrete or masonry buildings, tight urban sites, and extensive debris hauling may cost more. Ask whether the contractor includes dump fees and protection of nearby landscaping.
Assumptions: Permit and utility ranges are planning allowances; each municipality sets fees and inspection requirements.
Get permit responsibility and exclusions in writing before paying a deposit. The estimate should specify who submits plans, pays fees, schedules inspections, and handles any code-driven changes discovered after work begins.
Where to Save on a 28×28 Build Without Cutting Required Work
Keep the footprint and roofline simple. A rectangular 28-by-28 plan with a conventional gable roof avoids some framing complexity compared with multiple offsets, dormers, or intersecting roof sections. If storage is the goal, compare the price of storage trusses with a separate shed or shelving before committing to a fully finished upper space.
Choose a finish level based on actual use. Leaving drywall, paint, and heat for a later phase can reduce the initial contract by roughly $5,000-$15,000, provided the building is designed for future insulation and wiring. Selecting standard-size doors and windows may also avoid custom fabrication premiums, while a basic but code-compliant siding package can be less costly than premium cladding.
Prepare the site only after confirming the contractor’s requirements. Clearing brush or moving stored items may help, but excavation, compaction, drainage, and concrete subbase should follow the approved plan. Uncoordinated DIY grading can lead to rework or drainage problems, so clarify which tasks the owner can safely complete and how the contractor will inspect them.
Compare three written bids with identical specifications, including slab details, doors, roof materials, electrical points, cleanup, permits, and warranty terms. Check whether each quote includes tax, delivery, disposal, and contractor overhead. A quote that is 10%-15% lower deserves a scope review before it is treated as a genuine saving.
The most reliable savings come from controlling upgrades and omissions, not reducing structural or code-required work. Keep a 5%-10% contingency—about $2,000-$7,000 on many typical builds—for concealed soil issues, small design changes, or utility complications, and approve changes in writing before work proceeds.