Costello Custom Homes
A boutique custom builder focused on high-craft site-specific homes in Lancaster County.
- Founded
- 2010s
- Years in Business
- 15+ years
- Headquarters
- Lancaster County, PA
- Categories
- 2 tracks
Company
Who they are.
"Small-volume, high-detail — the builder is on-site."
Costello Custom Homes builds a small number of homes per year and stays deeply involved on every one. They're a favorite among architect-driven projects and estate builds.
Recognition
- Parade of Homes featured builder
- Design awards
Where They Build
Active market map.
Fully custom — scattered-lot builds.
Lancaster County
- Manheim Township
- Warwick
- Lancaster Township
Dauphin County
- Derry Township
Home Styles
What they build.
Modern Farmhouse
High-craft interpretation of the style.
Classic Estate
Colonial and stone manors.
Transitional
Traditional forms, modern interiors.
Price Range
What it costs to build here.
- Starting price
- $900,000
- Average price
- $1.4M – $2.5M
- Luxury range
- $3M+
Bespoke throughout.
Floor Plans
What they build, at a glance.
- Bedrooms
- 3 – 6
- Bathrooms
- 3.5 – 6
- Square Footage
- 3,200 – 7,500
- Garage
- 3 or 4-car
- First-Floor Primary
- Common
Popular Layouts
Customization
How much can you personalize?
- Design Center
- Buyer's designer or preferred partners.
- Structural Options
- Unlimited.
- Interior Selections
- Fully custom.
- Exterior Selections
- Fully custom.
- Overall Flexibility
- Full custom.
Construction Process
From contract to keys.
- Timeline
- 12 – 18 months.
- Contract
- Fixed-price with allowances or cost-plus.
- Deposits
- 10%+.
- Selections
- Design phase with buyer's team.
- Communication
- Weekly on-site.
- Warranty
- 1 / 2 / 10.
- Walkthrough
- Multiple checkpoints.
Financing
How the money moves.
- Construction financing
- Buyer-financed construction-to-permanent loan.
- Rate lock
- Extended locks available.
- Incentives
- N/A.
- Closing costs
- Buyer-paid.
Prospective Buyer Tips
Honest guidance, before you sign.
Best fit for: Buyers who want a deeply hands-on, design-led custom experience.
Strengths
- Owner-on-site involvement
- High-craft detail
- Architect-friendly
Potential Trade-offs
- Longer timeline
- Smaller volume — availability is limited
Questions to Ask Before You Sign
- 01
When can you start on my project?
- 02
How many homes are under construction at once?
Frequently Asked Questions
What buyers ask us about Costello Custom Homes.
How many homes do they build a year?
Small volume by design — usually a handful of custom builds annually.
Do they build on my land?
Yes — scattered-lot is their primary model.
What's the timeline?
12 – 18 months typically, plus design.
Is pricing fixed?
Fixed with allowances, or cost-plus with a GMP.
Can I bring my architect?
Yes — they work with buyer-selected design teams.
Where do they build?
Primarily Lancaster and Dauphin Counties.
What financing works?
Construction-to-permanent loans.
Also Consider
Nearby builders worth comparing.
1992 · Lancaster County, PA
Keystone Custom Homes
One of the largest privately-held homebuilders in the region, known for expansive floor plans and strong included features.
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1960s · Gap, PA
EG Stoltzfus Homes
A third-generation Lancaster County builder known for careful craftsmanship and a strong farmhouse/traditional design sensibility.
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1988 · Ephrata, PA
Landmark Homes
A large Central-PA production builder known for community amenities and a strong new-home sales operation.
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Thinking About Building With Costello Custom Homes?
Talk to Corie before you sign.
A twenty-minute conversation about incentives, rate locks, and the specific financing questions that matter for a Costello Custom Homes build.
Editorial builder and community overviews are for educational purposes and reflect general market information. Pricing, availability, timelines, HOA fees, taxes, and floor plans change frequently — always confirm details directly with the builder before signing any contract.