Room Additions & Square Footage Expansion – San Diego County
Need more space—but love your location? Expand with confidence.
Room Additions and Square Footage Expansions Are a Smart Way to Increase Your Home’s Function, Value, and Long-Term Livability.
TAG Roofing & Solar brings full-service general contracting expertise to every expansion—whether you're adding a home office, primary suite, bonus room, or building up with a second story. From concept to completion, we deliver scalable solutions with expert coordination at every phase.
Why Choose TAG for Room Additions?
- Full-service design-build contractor (CSLB #557970)
- Structural engineering, permit planning, and utility upgrades included
- Seamless integration with existing rooflines, siding, and interiors
- Transparent budgeting and flexible material options
- Interior and exterior finishes delivered to spec
- Clean, courteous crews and dedicated project leadership
- Serving homeowners across San Diego County
What to Expect When Hiring TAG
- Property Evaluation & Expansion Feasibility: We assess lot size, rooflines, setbacks, and zoning to determine what's possible and permitted.
- Architectural Plans & Scope Development: Our design team creates custom plans based on your goals—bedroom, office, multi-room, or second-story—aligned to your target budget.
- Permit Pulling & Utility Coordination: We handle all city/county permits and coordinate electrical, water, and structural load upgrades as needed.
- Foundation, Framing & Structural Work: TAG begins with footings or tie-ins, framing walls and roof extensions per engineered specs and local code.
- Interior Build-Out & Exterior Matching: We install insulation, drywall, paint, lighting, cabinetry, and flooring. Exterior elements are matched to your home’s existing finish.
- Final Inspection & Completion: We address punch list items, complete all inspections, and provide warranty paperwork, maintenance info, and a walkthrough.
Project Timelines
- Standard Bedroom/Office Additions: 8–12 weeks
- Multi-Room or Second-Story Expansions: 4–8 months
Cost Ranges
- Small Additions: $50,000–$150,000
- Full Expansions: $175,000–$500,000+
Pricing Disclaimer: All cost ranges are estimates. Final pricing depends on design complexity, materials, and site conditions. A written proposal is provided after inspection.
Financing Options
- Construction loans
- HELOCs
All financing is subject to approval and may vary based on eligibility. We’ll guide you to the best solution for your budget and timeline.
Ready to expand your home?
TAG Roofing & Solar is your go-to design-build partner for seamless, code-compliant room additions in San Diego. Whether you need more space for your family or want to boost your home’s value, we’ll guide you every step of the way.
Get started today with a free consultation.
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Don’t outgrow your home—expand it. Contact TAG Roofing & Solar for a free feasibility consultation and square footage expansion quote today.
