New Construction vs. Resale in Douglas County: The Costs Buyers Miss

White Modern Farmhouse home in Douglas County in autumn with a red front door

Is new construction or resale the better deal in Douglas County?

Start with the finished price. New construction vs resale in Douglas County usually turns on three lines buyers skip: the lot premium, the design center, and the builder’s own contract.

For example, say the sign at a Castle Rock model home reads $700,000. You pick a homesite backing to open space, and it carries a $40,000 lot premium. At the design center, you add upgraded flooring, a kitchen package, and a finished basement for another $60,000. You’re at $800,000 before you’ve bought a single blind.

Then move-in day comes. The windows are bare. The backyard is dirt. There’s no fence, and depending on the builder, there may be no refrigerator. A resale home down the street at $780,000 might come with all of that already in place.

This post shows where the money goes on a new build in Douglas County, what the builder’s contract changes for you, and how to compare it fairly against a resale home.

The Builder’s Contract Isn’t the Colorado Standard Contract

When you buy a resale home in Colorado, your offer is usually written on the Colorado Real Estate Commission’s Contract to Buy and Sell Real Estate. Builders work differently. The Commission’s Position Statement CP-1, adopted August 2, 2022, says sellers like homebuilders aren’t required to use Commission-approved forms.

So you’ll sign the builder’s purchase agreement, written by the builder’s attorneys. CP-1 also says a broker representing you can help with the transaction but can’t advise you on the legal risks of a non-approved form. For that, you need a real estate attorney.

Deposits

Builder agreements often handle deposits differently from a resale earnest money deposit. Some call for a larger deposit, add separate deposits for design selections, or make part of the money nonrefundable once construction starts. Read exactly when each dollar becomes nonrefundable and what happens to it if your loan falls through.

Completion Dates

A resale contract has a fixed closing date. A builder’s agreement often gives the builder room to move the completion date for weather, materials, or labor. If you’re timing a lease end or the sale of your current home, that flexibility sits on your side of the risk.

Inspection Rights

The Colorado standard contract gives you an inspection objection deadline and a path to walk away. Many builder agreements limit or leave out that kind of objection right. Look for language on whether you can bring your own inspector, at what stages, and what the builder has to fix before closing.

Lot Premiums and the Base Price

The base price covers the plan on a standard homesite. A lot premium is the extra charge for a specific homesite, such as one on a corner, backing to open space, on a walkout lot, or with a mountain view.

Premiums aren’t standardized. They’re set by the builder, lot by lot, and they move as a community sells out. Ask for the premium on every homesite you’re considering in writing, and compare the view or walkout you’re paying for against resale homes nearby that have the same feature.

Design Center Upgrades

The model home in Parker or Castle Pines is almost always decorated with upgrades. The base price usually isn’t. The design center appointment is where the gap shows up.

Two kinds of upgrades matter differently:

  • Structural options like a finished basement, extra bedroom, or larger garage are hard or costly to add later. These are worth deciding on at the design center.
  • Cosmetic upgrades like light fixtures, paint, or cabinet hardware are often cheaper to change after closing.

Upgrades usually raise your contract price, which raises your loan amount and your down payment. Ask for a priced list before your appointment, and set a ceiling before you walk in.

What a New Home Often Doesn’t Include

These items catch Douglas County buyers most often. Each builder’s inclusions list is different, so read yours line by line.

  • Window coverings. Blinds and shades are commonly left out.
  • Backyard landscaping. Front yards are often finished. Backyards are often left for you, along with sod, sprinklers, and any HOA approval for your plan.
  • Fencing. Some communities control fence style, so check the HOA rules before you price it.
  • Appliances. The range and dishwasher are often included. The refrigerator, washer, and dryer may not be.

Many newer Douglas County communities also sit inside a metro district, which adds to your property tax bill. Jamie covers that in a separate post on Douglas County metro district taxes, and it belongs in your comparison.

A resale home often already has these items in place. In a resale offer, the standard Colorado contract has an inclusions section that lists what stays with the house, which gives you a clear place to confirm the blinds, appliances, and fence.

Builder Warranties and an Independent Inspection

Most builders provide a written warranty. Coverage, length, and the claims process vary by builder, so get a copy of the warranty before you sign the purchase agreement. Many split coverage into tiers, with shorter coverage on workmanship and longer coverage on major structural elements.

A new home still benefits from an independent inspection. Building inspections by the town or county check work against adopted building codes at set stages. Your own inspector is working for you. Common checkpoints are a pre-drywall inspection, a final inspection before closing, and a check shortly before your workmanship warranty ends.

If a serious defect shows up later, Colorado’s Construction Defect Action Reform Act sets the process. Under C.R.S. 13-20-803.5, a homeowner must send the builder written notice of a claim 75 days before filing a lawsuit on a residential property. The builder can then ask to inspect, and that inspection must be finished within 30 days of the notice.

Bring Your Agent on the First Visit

Builder sales offices have their own policies on buyer representation. Many ask that your agent be registered at your first visit, and some won’t recognize an agent who wasn’t there from the start. Since policies vary by builder and community, call ahead or bring your agent to the first walk-through.

Jamie Bridges, a REALTOR® with Keller Williams Realty DTC, works with buyers touring new communities across Douglas County, from Castle Rock and Parker to Highlands Ranch, Castle Pines, Lone Tree, and the Sterling Ranch area. He holds the Accredited Buyer’s Representative (ABR) designation. He registers with the sales office on your first visit, then builds a side-by-side sheet that puts a new build’s all-in price, lot premium and upgrades included, next to resale homes nearby.

This isn’t legal advice. Have a real estate attorney review a builder’s purchase agreement before you sign it.

Frequently Asked Questions

Do builders in Colorado use the standard real estate contract? Usually not. The Colorado Real Estate Commission’s Position Statement CP-1 says homebuilders selling their own homes aren’t required to use Commission-approved forms, so most use their own purchase agreements. Have an attorney review yours.

Do I need a home inspection on a new construction home in Douglas County? It’s worth it. Town and county inspections check code compliance, while your own inspector reports to you. Many buyers schedule a pre-drywall inspection and a final inspection before closing.

What is a lot premium on a new build? It’s an added charge for a specific homesite, set by the builder, on top of the base price. Corner lots, walkout lots, open space, and views often carry one.


If you’re touring model homes in Castle Rock, Parker, or anywhere in Douglas County, an all-in price comparison is a good first step. Jamie Bridges is a REALTOR® with Keller Williams Realty DTC serving the Denver Metro Area and Summit County, Colorado. Call or text Jamie at 720-397-7555 to talk about your next move.

Sources: Colorado Real Estate Commission, Commission Position CP-1, “Contracts provided by Principals Selling Real Property,” adopted August 2, 2022, via the Colorado Division of Real Estate, accessed October 30, 2026; C.R.S. 13-20-803.5 (Construction Defect Action Reform Act, notice of claim process), 2025 edition as amended by HB 25-1272, accessed October 30, 2026; Colorado Division of Real Estate, “The Home Buying Process in Colorado,” accessed October 30, 2026. Data deemed reliable but not guaranteed. General information only. This isn’t legal advice. All dollar figures are examples only.

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