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Home Additions
Second stories, in-law suites, sunrooms, and bump-outs that blend in seamlessly and add real value.
General Contracting · Design–Build · Construction Management
Built right.
Built right.
Built to last.
Castaneda Management Group takes on the additions, remodels, and roof replacements other contractors won't — and finishes them clean, on schedule, and without the runaround.
8+
Years building
300+
Projects delivered
98%
On-time completion
3DFrom the ground up
Watch a build come together.
Slab to keys — the camera flies inside for the wiring, plumbing, and HVAC rough-ins, then the kitchen install. Drag anytime to take over; click a phase to jump.
Live 3D
Rendering 3D build…
Built right, ground up
Foundation · Framing · Electrical · Plumbing/HVAC · Kitchen · Finish
Drag to orbit
Site prep · layout
Stylized build · 6 phases · Interactive WebGL
01What we do
One crew. The whole build.
Design coordination, permits, skilled trades, and a clean final walkthrough — managed by one accountable team from day one.
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Kitchen & Bath
High-impact renovations with durable materials, expert tile and cabinetry, and finishes built to last.
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Roof Replacement
Full tear-offs and re-roofs installed with GAF materials — so your new roof is backed by GAF's manufacturer warranty. Weather-tight, clean, and built to last.
/ 04
New Construction
Ground-up residential and light-commercial builds managed end to end, from site prep to occupancy.
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Renovation & Restoration
Whole-home renovations that modernize layouts while protecting the structure underneath.
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Construction Management
Your owner's rep — budgets, schedules, and subcontractor oversight with one point of accountability.
02Recent builds
Proof in the punch list.
Addition
Two-Story Rear Addition
View projectRemodel
Full Kitchen Renovation
View projectRoofing
Full Roof Replacement
View projectBath
Master Bath Remodel
View projectNew Build
Single-Family New Build
View projectRestoration
Historic Property Restoration
View projectPlaceholder plates — swap in real before/after photos of completed jobs (these convert best).
03How we work
From first call to final walkthrough.
No guesswork, no runaround — you always know what's happening, what's next, and what it costs.
01
Consult
We meet on-site, listen to your goals, and assess the scope — at no cost to you.
02
Estimate
You get a clear, itemized written proposal with a realistic timeline and fixed pricing.
03
Build
Skilled crews execute clean and safe, with regular updates from your dedicated lead.
04
Walkthrough
We review every detail together, knock out the punch list, and stand behind the work.
04Why Castaneda
Contractors you can count on.
01
Transparent, fixed pricing
Itemized estimates, no hidden fees. The number we quote is the number you pay — barring changes you approve.
02
On-schedule delivery
Realistic timelines we hold ourselves to. 98% of our projects finish on or ahead of schedule.
03
Licensed, insured & bonded
Full coverage and proper permits on every job — your property and investment are protected.
04
One accountable team
A dedicated project lead start to finish. No finger-pointing, no disappearing crews.
05
Family-owned & local
A family-owned, locally operated business based in Kennett Square — your neighbors, invested in doing right by the community we build in.
The Castaneda Guarantee
We don't leave until it's right. Every project is backed by our workmanship warranty and a clean, walked-through finish — or we make it right at no cost to you.
— Castaneda Management Group
05Client reviews
Homeowners & businesses trust us.
“
They handled our addition from permits to paint. Crew was professional, site stayed clean, and they finished a week early. Couldn't recommend them more.
Homeowner · Addition
“
Our roof was past due. They did a full tear-off and GAF replacement in two days, left the yard spotless, and the manufacturer warranty gave us real peace of mind.
Homeowner · Roof Replacement
“
Honest, reliable, and genuinely skilled. They renovated our kitchen and two baths — the quality of the finish work is outstanding. A true professional outfit.
Homeowner · Renovation
Let's build
something great.
Free, no-obligation estimate from a contractor who shows up, communicates, and delivers.
06Get in touch
Tell us about the project.
Call, email, or send the form. We respond within one business day to schedule your free on-site consultation.