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.

12 – 18 months typically, plus design.

Fixed with allowances, or cost-plus with a GMP.

Can I bring my architect?

Yes — they work with buyer-selected design teams.

Primarily Lancaster and Dauphin Counties.

What financing works?

Construction-to-permanent loans.

Corie Adams

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Costello Custom Homes

A boutique custom builder focused on high-craft site-specific homes in Lancaster County.

Founded: 2010s
Headquarters: Lancaster County, PA
In business: 15+ years

Overview

Who they are

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.

Small-volume, high-detail — the builder is on-site.

Ideal buyer

Who this builder suits

Buyers who want a deeply hands-on, design-led custom experience.

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Communities served

Where they build

Manheim Township, Lancaster County
Warwick, Lancaster County
Lancaster Township, Lancaster County
Derry Township, Dauphin County

Fully custom — scattered-lot builds.

Building style

How the homes are made

Modern Farmhouse: High-craft interpretation of the style.
Classic Estate: Colonial and stone manors.
Transitional: Traditional forms, modern interiors.

Design center: Buyer's designer or preferred partners.
Structural changes: Unlimited.
Interior selections: Fully custom.
Exterior: Fully custom.
Overall flexibility: Full custom.

Advantages

What they do exceptionally well

Owner-on-site involvement
High-craft detail
Architect-friendly

Things to consider

What deserves a second look

Longer timeline
Smaller volume — availability is limited

Questions to ask

Bring these to the model home

01When can you start on my project?
02How many homes are under construction at once?

Financing considerations

How the money usually works here

Construction financing: Buyer-financed construction-to-permanent loan.
Rate lock: Extended locks available.
Incentives: N/A.
Closing costs: Buyer-paid.
Timeline: 12 – 18 months.
Deposits: 10%+.
Warranty: 1 / 2 / 10.

Common questions

About building with 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.

Considering Costello Custom Homes?

Bring the plan and the lot. We will walk the numbers, the incentive math, and the timeline before you sign anything.

Get Pre-Approved Talk With Corie

Educational information only. Corie Adams and Network Funding, LP are not affiliated with Costello Custom Homes. Builder pricing, communities, incentives, warranty terms, and timelines vary and are subject to change; confirm all details directly with the builder. This is not a commitment to lend. Corie Adams NMLS #1875205. Network Funding, LP NMLS #2297.