El Paso County, CO Noise Ordinances: Aircraft Noise (2026)
Key Facts
- Noise reduction required
- 30 dBA indoor reduction
- Proof required
- Noise Reduction Certificate
- Zone
- ADNL Sub-Zone, 65 DNL contour
- Review body
- Airport Advisory Commission
Summary
El Paso County requires 30 dBA of indoor noise reduction for new residential construction inside the Airport Noise Sub-Zone around the Colorado Springs Municipal Airport overlay district.
If the request is located within an existing residential zone or platted as residential, a noise level reduction of 30 dbA shall be achieved through approved construction techniques as evidence by the provision of a Noise Reduction Certificate.
CD4:28 SPECIAL PURPOSE, OVERLAY, AND OBSOLETE ZONING DISTRICTS 4.3.1
· Non-residential land uses as identified in Table 4-7 shall achieve a 30 dbA noise reduction by approved construction techniques as evidenced by a noise reduction certificate.
(b) Rezoning. Land should not be rezoned to a residential or multifamily district which allows a higher density than the current zoning of the property. In the event of a rezoning or variance action to allow a residential zoning with a higher density than the current zoning of the property, the BoCC shall include specific findings relative to airport noise within the approval resolution and shall require appropriate noise mitigation measures.
(3) APZ-1 Sub-Zone.
(a) Restrictions. The following restrictions shall apply within the APZ-1 sub-zone:
· Certain commercial, industrial and manufacturing uses that result in the congregation of
Full Breakdown
Within the CAD-O Commercial Airport Overlay District's Airport Noise Sub-Zone (ADNL, the 65 DNL contour), a building permit for property in an existing or platted residential zone requires a 30 dBA indoor noise level reduction achieved through approved construction techniques, proven by a Noise Reduction Certificate. Non-residential uses listed in Table 4-7 face the same requirement.
Violations & Fines
Building without the required Noise Reduction Certificate can block issuance of the building permit or authorization of use under Section 4.3.1(F)(2).
Frequently Asked Questions
Do new homes near Colorado Springs Airport need soundproofing?
Does this apply to existing homes in the noise zone?
Sources & Official References
Other rules in El Paso County
Compare El Paso County to another location·View the Colorado noise ordinances overview
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