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 to 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.

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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.

Parade of Homes featured builder
Design awards

Ideal buyer

Who this builder suits

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

customluxury

Floor plan range: 3 to 6 · 3.5 to 6
Square footage: 3,200 to 7,500
First-floor primary: Common

Design philosophy

How the homes are made

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

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.

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.

If you are still deciding where to land, the Lancaster County community guides cover the townships and boroughs these homes go up in, and local mortgage guidance for Lancaster explains how financing tends to work in this county.

Buying experience

What the process feels like

Timeline: 12 to 18 months.
Contract: Fixed-price with allowances or cost-plus.
Deposits: 10%+.
Selections: Design phase with buyer's team.
Communication: Weekly on-site.
Walkthrough: Multiple checkpoints.
Warranty: 1 / 2 / 10.

What they do well

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

Financing considerations

How the money usually works here

Construction financing: Buyer-financed construction-to-permanent loan.
Rate lock: Rate-lock options depend on the home's completion timeline, the loan program, and current market conditions. We will review the available options once the buyer's expected closing date is confirmed.
Lender credit: Eligible borrowers may receive a lender credit from our branch. The available credit depends on the final loan amount, loan program, and transaction details. Contact Corie for a personalized financing review.
Typical starting price: $900,000
Typical range: $1.4M to $2.5M
Upgrades: Bespoke throughout.

If the builder owns the lot and delivers a finished home, read what happens between contract and keys. If the house goes up on land you own, start with how construction loans work in Pennsylvania.

Questions to ask

Bring these to the model home

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

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 to 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.

Read these before you sign

Related calculators

Run the numbers first

Related community guides

Where these homes are built

Next steps

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.