Home Inspector in Centennial, CO

Centennial's housing stock runs from 1970s Willow Creek and Homestead to 1990s Piney Creek and Foxridge. Second-generation roofs, original furnaces and Poly-B plumbing are the pattern. Justin inspects it with a structural engineer's eye and a buyer's deadline in mind.

★ 4.9 · 96% five-star Former structural engineer InterNACHI CPI Buy-Back Guarantee
Home in Centennial
1980s two-story · Centennial
Centennial by the numbers

What the housing stock tells an inspector before he arrives.

2025 figures
Median year built
1986

The core of the city was built in the 1980s, so roofs, furnaces and water heaters are often on their second replacement.

Housing stock
Single-family detached 74% Townhome 15% Condo / apartment 11%
Source: County Assessor
Soil & foundation · read by a structural engineer
Expansive clay across most of the city, heaviest east of I-25.

Centennial's eastern neighborhoods sit on some of the most reactive clay in Arapahoe County. Justin checks floor slope, slab heave in finished basements, void forms and drainage, and tells you which movement matters.

Top 3 findings in Centennial homes From Justin's inspection history
1
Slab heave in finished basements
Lifted floors and gaps above interior walls from expansive clay.
2
Poly-B plumbing
Grey polybutylene supply lines in 1985–1996 homes.
3
Second-generation roof wear
Hail bruising and granule loss on roofs replaced after 2009.

Sources: Arapahoe County Assessor. Housing figures from assessor records on file.

What we check in Centennial homes

Homes built between 1970 and 2000 have a known list. Justin works through all of it.

Beyond the standard InterNACHI scope, these are the era-specific items that show up again and again from Willow Creek to Piney Creek.

Expansive soil and slab heave
Engineer's read

Floor slope, floating walls, crack mapping and grading. Centennial's east side is the test case for self.

Poly-B plumbing
1985–1996

Grey polybutylene supply and acetal fittings, identified and photographed.

Original HVAC
Past service life

Furnaces and water heaters from the 1980s and 90s, heat exchangers and flues.

Hail-era roofs
Roof

Bruising, granule loss, lifted seals and prior patch quality.

Decks and ledgers
Structural

Fasteners, flashing and guard strength on elevated rear decks.

Services available in Centennial

Centennial buyers on working with Justin

All reviews on HomeAdvisor →
★★★★★
“Justin did a great job. He had quick availability, did a thorough inspection, and went above and beyond to talk through what some of the defects in our prospective new home might cost to repair.”
Benjamin M. · Denver metro
★★★★★
“Justin was great! Very thorough, showed and explained everything to me as he was doing it.”
Bonnie B. · HomeAdvisor review
★★★★★
“I have had the privilege of working with Justin Kast on numerous occasions, and his expertise is unmatched. He communicates clearly, provides thorough and accurate insights, and makes the inspection process seamless.”
Desiree M. · Real estate agent
★★★★★
“He was able to come the same day. He walked me through exactly what he was doing and what the next steps would be.”
Alessandra H. · HomeAdvisor review

Neighborhoods served

Willow Creek · Homestead · Piney Creek · Foxridge · Heritage Greens · Southglenn · Walnut Hills · Smoky Hill · Chapparal · Antelope · Hunters Hill · Cherry Knolls

ZIP codes 80015, 80016, 80111, 80112, 80121, 80122

Centennial inspection questions

How soon can you inspect a home in Centennial?

Usually within 2 to 3 days, including weekends.

Why does Centennial have so many foundation issues?

Expansive clay. It swells when wet and shrinks when dry. Justin's engineering background separates cosmetic movement from active movement.

Do you check for Poly-B?

Yes. It is common in 1985–1996 Centennial homes and gets identified, photographed and priced in the report.

Does Centennial need a sewer scope?

Arapahoe County averages above the EPA action level. Yes, especially with a finished basement.

Do you inspect Centennial townhomes?

Yes. HOA-maintained components are noted so you know what is yours.

Buying in Centennial? Get on the calendar.

Same-week availability across the south metro. Thermal imaging available.

A+ Home Inspections Inspections performed by Justin Kast, A+ Home Inspections, LLC.