One Source Contracting in Baltimore: General Contractor for Residential Remodeling and Additions

One Source Contracting is a licensed general contractor in Baltimore that handles residential interior remodeling, kitchen and bathroom renovations, and home additions. The company works primarily on single-family homes and smaller multi-unit properties across Baltimore City and County, taking on projects that require permitting and coordination across multiple trades rather than single-task repairs.

What One Source Contracting Actually Does

One Source operates as a full-service general contractor, meaning the company pulls permits, manages subcontractors, schedules inspections, and handles the overall timeline of a project. This distinguishes them from handymen or specialists who handle one trade (plumbing, electrical, carpentry). The company's typical scope includes kitchen renovations, bathroom remodels, room additions, basement finishing, and structural repairs that require city permits. Projects range from $15,000 to $150,000 based on scope and materials selected. The company is licensed by the State of Maryland and carries liability insurance; verify current licensing status through the Maryland Home Improvement Commission database before signing a contract.

Services and Pricing Structure

One Source Contracting quotes jobs on a fixed-price basis after a site visit and scope review. The company does not charge a separate design fee; estimates incorporate the cost of plan review and any minor design adjustments before work begins. Kitchen remodels typically run $40,000 to $80,000 depending on whether cabinets are semi-custom or stock, appliance selection, and finish choices. Bathroom remodels average $12,000 to $25,000 for a full gut-and-rebuild including tile, fixtures, and ventilation updates. Room additions and structural work are priced per square foot and site conditions; the company requests a deposit of 30 percent at signing, with payments tied to construction milestones rather than calendar dates.

Timeline estimates are provided in writing. The company typically schedules remodels 4 to 8 weeks out depending on permit processing time and subcontractor availability. Bathroom projects usually run 3 to 4 weeks once work begins; kitchen remodels take 6 to 10 weeks. Verify current wait times when requesting an estimate, as permit backlogs in Baltimore City can shift seasonally.

How One Source Compares to Other Baltimore Contractors

One Source's fixed-price model contrasts with T&M (time-and-materials) pricing, which some Baltimore contractors use. T&M contractors charge hourly labor rates plus material markups; this can save money on small repairs but carries risk on larger projects where scope creeps. Companies like Evergreen Contracting and some divisions of larger firms (like Dsi Remodeling) use T&M for flexibility; One Source's fixed quotes reduce budget surprises but require detailed scope definition upfront.

For design-inclusive services, One Source differs from full-service design-build firms such as Designsource or certain Kitchen & Bath specialists that employ in-house designers. Those firms charge higher upfront fees but deliver a finished design before construction. One Source works from homeowner sketches, existing floor plans, or basic ideas; if a homeowner needs professional design, they must hire an architect or designer separately, which adds cost but also adds independence in choosing design professionals.

One Source's 30 percent deposit structure is standard across licensed Baltimore contractors. Some smaller operators request 50 percent upfront; this increases homeowner risk if the contractor fails to complete work. Deposits below 30 percent are uncommon for licensed general contractors and may signal licensing issues.

Who One Source Suits and Who It Does Not

One Source works best for homeowners who have a clear remodel vision, existing drawings or photos of what they want, and a fixed budget. The fixed-price model rewards clarity; vague scopes (like "update the kitchen") lead to lengthy estimate discussions and often require the homeowner to make selections before a quote is finalized. The company is suited to Baltimore renovations where permits are required (structural work, full bathroom remodels, additions, electrical panel upgrades). It is not the right fit for emergency repairs, appliance replacement only, or cosmetic-only work (painting, new hardware) that doesn't require permits.

Homeowners should avoid One Source if they want to make major design changes mid-project. Change orders (written amendments to the contract) are necessary when scope expands or materials change; each change order adjusts the price and timeline and requires signed approval. Architects or designers working on a project add another layer of approval before change orders are issued. Homeowners who want maximum flexibility and don't mind paying hourly rates for that flexibility should look at T&M contractors instead.

What the First Estimate Visit Involves

Call One Source to schedule a site visit; the company typically responds within 2 business days. A project manager will meet you at the home, usually for 30 to 45 minutes. Bring photos or magazine clippings of styles you like, existing plans if available, and a list of specific requests (e.g., "remove wall between kitchen and dining room," "add a second vanity"). The manager will take measurements, photograph the space, note structural details and existing systems (electrical panel, plumbing layout, HVAC), and discuss timeline and budget constraints. No deposit is due at this visit.

The estimate is typically provided within 5 to 7 business days. One Source provides a written proposal that itemizes labor, materials, permits, and subcontractor costs. It also includes a start date, completion timeline, payment schedule, and a statement of what is and is not included (e.g., is flooring removal included, or does the homeowner pay extra?). Review the permit section carefully; the contractor's permit fee is separate from the city permit fee, which varies by project type.

Hours, Parking, and Logistics

One Source operates Monday through Friday, 8 a.m. to 5 p.m., and conducts estimate visits during business hours or by appointment on Saturday mornings. Work crews typically arrive between 7 and 8 a.m. and work until 3 to 4 p.m. on weekdays; confirm the exact schedule when your contract is signed. Parking for work vehicles should be discussed before work begins; if on-street parking is tight, the contractor may need curb space reserved. Construction debris is removed weekly or bi-weekly depending on project size; confirm waste removal frequency in the contract.

Permit work in Baltimore City requires inspections at framing, rough systems (electrical/plumbing), and final stages. The contractor schedules these; inspections typically occur within 3 to 5 days of the inspection request. Delays in city inspections can extend timelines beyond the contractor's control. For Baltimore County projects, permit timelines and inspection schedules vary by jurisdiction; clarify these during the estimate.

One Source Contracting fills the general contractor role for Baltimore homeowners whose remodels require permits and coordinated trades. The company's fixed-price model and transparent cost breakdown reduce the ambiguity that makes renovation budgeting difficult.