Radon Mitigation in Kittanning
High radon potential. Allegheny River valley formations with Pennsylvanian sandstone and shale produce sustained soil-gas radon across Armstrong County housing stock.
High Radon Risk Area
Kittanning sits in EPA Zone 1 — testing is recommended for every home regardless of age or foundation type.
Local Geology & Risk Factors
Kittanning is located in an area with Appalachian Plateau / Allegheny River Valley Formations geology, which contributes to elevated radon levels. The Pennsylvania DEP identifies this region as having significant radon potential due to uranium-bearing rock formations.
Testing is essential because radon levels can vary significantly between neighboring homes based on construction, soil permeability, and ventilation.
See Pennsylvania radon levels and EPA radon zone classifications →
Quick Facts
- Median home value: $109,200 · Median year built: 1946
- Population: 3,910
- Foundation types: Basement (most common); Crawlspace (moderate); Slab-on-grade (varies)
Armstrong County Context
Kittanning is a municipality of Armstrong County, EPA Zone 1. Zone designation is assigned at the county level, so Kittanning inherits its classification; countywide aggregate figures live on the county page.
See Armstrong County radon aggregate data →Measured Radon Data for Kittanning
This unusually high reading may reflect a source data anomaly or a single-home outlier; individual home results vary widely.
Source: PA DEP RadonZip Tool, January 1990 – December 2025 · Updated 2026-05-20
Radon Mitigation Cost in Kittanning
Active sub-slab depressurization (ASD) systems in Kittanning typically cost $900–$2,200. Standard basement installs on modern poured concrete fall at the lower end; historic foundations, block-wall depressurization, multi-point suction, and crawlspace encapsulation push costs higher.
Foundations covered locally
- Basement (most common)
- Crawlspace (moderate)
- Slab-on-grade (varies)
Systems used in the region
- Active sub-slab depressurization
- Sump pit depressurization
- Passive soil depressurization
Certification & Compliance
All Pennsylvania radon testing and mitigation professionals must hold active PA DEP certification. Ask any contractor for their certification number and verify it before signing.
Pennsylvania's Real Estate Seller Disclosure Law (68 Pa.C.S. §§ 7301–7315) requires sellers to disclose known material defects to buyers under § 7303; the mandated disclosure form records radon under § 7304(b)(14). Sellers who have never tested are not compelled to test — § 7308 imposes no affirmative duty to investigate — but pre-listing testing is standard practice across most PA markets.
Under 25 Pa. Code § 240 — the Pennsylvania chapter governing radon certification — every radon service provider working in the Commonwealth must hold current DEP certification. Verify the contractor's status via the DEP Radon Services Directory before hiring.
Verify Contractor Certification — PA DEP Official Directory for Kittanning, Armstrong County
View PA DEP Certified Contractor DirectoryThe PA Department of Environmental Protection maintains the official list of certified radon testers and mitigators, sorted by county and updated monthly. Always verify certification before hiring any contractor.
Directory resource provided by PA DEP Bureau of Radiation Protection, Radon Division.
Frequently Asked Questions
Why is radon a concern in Kittanning, PA?
Kittanning sits along the Allegheny River, where Pennsylvanian sandstone and underlying shale formations contain elevated radium-226. The river-valley topography and basement-heavy housing stock combine to produce indoor radon levels in approximately 42% of Armstrong County homes.
What does radon mitigation cost in Armstrong County?
Most Armstrong County mitigation systems run $900–$2,200 installed. Active sub-slab depressurization is the standard approach for the basement-and-crawlspace mix common in Kittanning, Ford City, and Apollo. DEP-certified contractors provide free quotes.
Does proximity to the Allegheny River affect radon risk?
Topography matters more than the river itself. Kittanning's hillside-and-floodplain housing pattern produces variable foundation depths, which interact with the underlying Pennsylvanian formations to drive home-to-home variability. Test every home individually — EPA zone is a population average, not a per-home prediction.
What's the average radon level in Kittanning?
Kittanning's DEP-recorded basement average is 10.76 pCi/L across 882 tests. The EPA action level for mitigation is 4.0 pCi/L, so a sizable share of Kittanning homes exceed the threshold. The highest single result in the local dataset is 254.2 pCi/L; this unusually high reading may reflect a source data anomaly or a single-home outlier — individual home results vary widely.
Do homes in Kittanning need to be tested for radon?
Armstrong County is EPA Zone 1 — the highest radon-potential classification — so every home in Kittanning should be tested regardless of age, foundation type, or neighborhood. Short-term charcoal or continuous monitor tests take 48–96 hours and cost $15–$50; long-term alpha-track tests run 90 days and better represent annual averages. If the result meets or exceeds 4.0 pCi/L, mitigation by a DEP-certified professional is recommended.
How much does radon mitigation cost in Kittanning?
Active sub-slab depressurization (ASD) systems in the Kittanning area typically cost $900–$2,200. Standard basement installations on modern poured-concrete foundations fall at the lower end; historic foundations, block-wall depressurization, multi-point suction, and crawlspace encapsulation push costs toward the upper end. All work must be performed by a DEP-certified mitigation professional under 25 Pa. Code § 240.
Is radon disclosure required when selling a home in Kittanning?
Pennsylvania's Real Estate Seller Disclosure Law (68 Pa.C.S. §§ 7301–7315) requires residential sellers to disclose known material defects to buyers (§ 7303). The state-mandated disclosure form covers 'presence of hazardous substances' at § 7304(b)(14) — where any known elevated radon test result or existing mitigation system is recorded. Sellers who have never tested are not required to test: § 7308 imposes no affirmative duty to investigate. In Kittanning, the practical reality is that most buyers request radon testing during the inspection contingency period. Sellers who test and mitigate before listing eliminate the most common contract contingency and preserve negotiating position.
Which ZIP codes does the Kittanning radon data cover?
The Kittanning radon dataset on this page covers ZIP code 16201. These are the ZCTAs assigned to Kittanning in the Census 2020 ZCTA-to-Place relationship file and used for the PA DEP RadonZip Tool aggregation. Neighboring ZIP codes belong to adjacent municipalities and appear on their own PA Radon Hub pages.
Are Kittanning-area public schools subject to SB 760?
Armstrong County is in EPA Zone 1 and is served by 8 school districts: Apollo-Ridge School District, Armstrong School District, Freeport Area School District, Leechburg Area School District, Karns City Area School District, Allegheny-Clarion Valley School District, Redbank Valley School District, and Kiski Area School District. Pennsylvania Senate Bill 760, if enacted as drafted, would mandate radon testing in all public school buildings by the 2026–2027 academic year. The bill remains in committee. Buildings in Zone 1 counties like Armstrong County would be highest priority under the proposed framework. If SB 760 is enacted, mitigation timelines, thresholds, and qualifying buildings would be set by the final bill text and any subsequent DEP implementing regulations. PA Radon Hub tracks this legislation; specific deadlines remain pending.
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