February 2011
Homeowners have many important questions about their Garage Conversion Project. How much will it cost? How long will it take? What problem areas do I need to watch out for? Can I recover my Garage Conversion investment when I sell? Can I do some of the work myself? What can I do to make sure that the work is done right?
Costs, materials and best practices for the example Garage Conversion project will help you answer these questions. Use this information to develop a budget, bid requirements, hiring contracts and a project plan.
Use the following information to understand your options, make good decisions and get quality work at a fair price.
The approximate costs and value of a typical Garage Conversion project are summarized below. Use higher estimates for larger metropolitan areas and the lower estimates where home prices are below the national average. Adjust costs for substitutions or refinements in the last section. For size differences of up to 25%, scale total costs in direct proportion to the size of your project. Use the adjusted costs as a basis for setting a material budget and for comparing contractor bids (if you choose to have a professional perform the work).
| Project description | Convert existing garage into living space. Insulate, sheetrock and finish walls and ceiling area. Add vinyl reslient flooring, electric circuits and lighting. Use basic grade of materials and installation quality. |
| Project size | 380 square feet |
| Material and labor cost | $4,275 - $4,988 |
| Material cost | $2,214 - $2,583 |
| Do-it-yourself assessment | The typical Garage Conversion project can be completed by a moderately skilled do-it-yourselfer; as with any project, high quality Garage Conversion requires attention to detail and careful planning. |
| First year Return on Investment - ROI | Returns will be impacted by the range of home prices in your neighborhood, the overall condition of your home and sensible design choices. A high quality Garage Conversion project can return as much as 67% - 78% of its initial cost |
| Long term Return on Investment - ROI | Results vary widely and are affected by the range of home prices in your neighborhood, the overall condition of your home and prudent design choices. A typical Garage Conversion project completed with good or better quality will return less than 60% of its initial cost. |
| Green rating | Garage Conversion projects can incorporate renewable or sustainable resources and environmentally friendly materials. |
Review these tips, design suggestions, options and lessons learned before finalizing your Garage Conversion project plan.
The following list includes major work tasks commonly performed during Garage Conversion. Use this list to understand the timing and sequence of different steps in the Garage Conversion project. Click any Task name for a complete written specifications, FAQs and quality checklist for the task - this essential information will help you control Garage Conversion project cost and quality.
| Task | Service Provider | Duration | Do-it-yourself difficulty | Target cost |
| Specify Finishes | Interior Designer | 1 to 2 d | Level 3 - Complex, Difficult | $190 - $317 |
| Specify Materials | Interior Designer | 2 to 15 d | Level 2 - Challenging | $190 - $317 |
| Frame Ceiling | Carpenter | 1 to 2 d | Level 3 - Complex, Difficult | $1.31 - $2.19 per square foot |
| Frame Interior Wall | Carpenter | 1 to 2 d | Level 2 - Challenging | $1.05 - $1.75 per square foot |
| Frame Ceiling | Carpenter | 1 to 2 d | Level 3 - Complex, Difficult | $1.31 - $2.19 per square foot |
| Install Appliance Circuit | Electrician | 1 to 2 d | Level 4 - Pros Only | $338 - $577 per circuit |
| Hang Ceiling Drywall | Drywall and Plaster Contractor | 1 to 2 d | Level 3 - Complex, Difficult | $0.83 - $1.48 per square foot |
| Install Batt Wall Insulation | Insulation Contractor | 1 d | Level 2 - Challenging | $1.31 - $2.32 per square foot |
| Install Batt Ceiling Insulation | Insulation Contractor | 1 d | Level 2 - Challenging | $1.21 - $2.14 per square foot |
| Install Sheetrock | Drywall and Plaster Contractor | 1 to 2 d | Level 2 - Challenging | $0.78 - $1.39 per square foot |
| Skim Coat | Drywall Contractor | 1 to 2 d | Level 2 - Challenging | $0.36 - $0.63 per square foot |
| Seal Door | Finish Carpenter | 1 d | Level 1 - Basic | $43 - $75 |
| Seal Windows | Finish Carpenter | 1 d | Level 1 - Basic | $33 - $57 |
| Install Prehung Door | Finish Carpenter | 1 d | Level 3 - Complex, Difficult | $280 - $499 per door |
| Install Base Molding | Finish Carpenter | 1 to 2 d | Level 2 - Challenging | $3.35 - $5.82 per linear foot |
| Install Door Casing | Finish Carpenter | 1 to 2 d | Level 2 - Challenging | $3.35 - $5.82 per linear foot |
| Paint Rooms | Painting Contractor | 1 to 3 d | Level 2 - Challenging | $0.66 - $1.13 per square foot |
| Install Vinyl Tile Flooring | Flooring Contractor | 1 d | Level 3 - Complex, Difficult | $1.85 - $3.36 per square foot |
| Install Ceiling Lighting | Electrician | 1 d | Level 2 - Challenging | $93 - $168 |
| Install Electric Baseboard Heater | Electrician | 1 d | Level 3 - Complex, Difficult | $180 - $314 |