Raymond Harris Ltd.

Designers in Malden don't pull permits — the contractor does, through the Malden Department of Inspectional Services. A kitchen or bath remodel typically triggers building, plumbing, and electrical permits, with gas line work needing a separate gas permit. Triple-decker condos often have undersized electrical services and original cast-iron drain stacks from the building's pre-conversion era; adding modern appliance loads or relocating fixtures may require service upgrades and stack work the unit owner pays for. Condo associations frequently require trustee approval for anything that crosses unit boundaries. Malden has no broad local historic district restricting interior selections.

Malden interior designer fees run 15 to 25 percent below central Boston. Hourly rates from established designers serving the city typically fall in the $125 to $225 range; flat-fee single-room scopes commonly run $2,800 to $6,500. Kitchen-bath selection packages typically land at $3,500 to $7,500. Whole-condo engagements (typically 700-to-1,300 sf) are often priced flat at $7,000 to $17,000 in design fees plus furnishings procurement. Cost-plus procurement markups run 18 to 28 percent over trade. A paint, lighting, and finishes consultation typically runs $350 to $800.

Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential interior design work; ask for the registration number and check it before paying a deposit.

More on permits, costs, rebates and common questions, plus every other interior design contractor serving the town, on the Interior Design in Malden page.