Home addition — Single-story addition Cost in Tampa, 2026

Why single-story addition × Tampa produces this band

A single-story addition scope for a home addition in Tampa combines two price levers: scope and metro labor rates. Single-story additions extend the existing footprint at grade — new foundation section, roof tie-in, and framing that matches the existing structure. No structural work on the original house beyond the tie-in. Against the national median remodel labor rate, Tampa runs 5% below the national median — so the single-story addition band comes in at the mid-range, then scales 5% below the national median on top of that. Permit timelines for residential work in Tampa typically run 4-10 weeks, which is the window you plan your design and decision sequence against. This page gives you the actual 2026 Tampa bands for this exact combination, plus the three cost drivers Baily asks about first when scoping the project live.

What drives cost for a single-story addition scope

• ·Foundation extension (slab or stem-wall to match existing)
• ·Roof tie-in flashing and structural connection
• ·Exterior siding match (often requires whole-elevation repaint)
• ·HVAC extension into the new zone

What makes Tampa different

• Labor — HVHZ-adjacent — Tampa Bay code is Florida Building Code but not HVHZ; impact windows are optional (and insurance-incentivized) rather than required.
• Labor — Storm-season labor cycles similar to Miami but lower intensity.
• Labor — Retiree-homeowner demand drives steady remodel pipeline year-round.
• Material — Corrosion-resistant hardware recommended for coastal Pinellas and Hillsborough parcels.
• Material — Terracotta roof tile (common in mid-century Tampa Bay) restoration adds specialty material premium.

Tampa rules that affect this scope

• City of Tampa Construction Services Division issues permits — 4-10 week turnaround standard.
• Hillsborough and Pinellas Counties have separate permit processes for unincorporated areas — check jurisdiction before scoping.
• Florida Building Code 2023 wind design: 140 mph ultimate design wind speed in most Tampa Bay zones.
• Flood-zone VE and AE parcels (coastal + riverine) trigger elevation and utility-placement requirements.

Scope your home addition with Baily.

Baily asks the eight questions that determine where your project lands inside the $133K-$304K band for Tampa and hands the scoped brief to one licensed builder.

Related pages

Questions LA homeowners actually ask

• What is the 2026 cost range for a single-story addition scope home addition in Tampa?

  $133,000-$304,000, with the median landing near $218,500. The range reflects finish tier and layout complexity within the single-story addition scope; the Tampa labor multiplier of 0.95× vs national median is baked in.

• How long does a single-story addition scope home addition take in Tampa?

  18-26 weeks of on-site construction for the single-story addition scope, plus 4-10 weeks of permit review in Tampa if the scope requires a permit. Cosmetic-only refreshes often skip permits; anything touching plumbing, electrical, or structural does not.

• What is the single biggest budget-overrun risk for this scope?

  Matching old siding or brick — if the material is discontinued, the whole elevation has to be reclad. $8-20K unexpected if not scoped up front.