Rancho Cordova, CA: Climate Zone, Risk and Window Requirements

Rancho Cordova sits in IECC climate zone 3B, which sets the energy-performance bar for any window installed here. Below that, a short list of Rancho Cordova's longest-licensed window contractors can turn a spec into an actual installed window.

Licenses checked September 30, 2026 · California Contractors State License Board

3BIECC climate zone · ENERGY STAR South-Central zone

Rancho Cordova's climate zone, in plain terms

That load is the actual argument for paying up for a better U-factor in Rancho Cordova, separate from anything a brochure claims.

Zone 3B's requirement is the floor; Rancho Cordova's specific load is what tells you whether beating that floor is worth the extra cost.

Data: U.S. EPA / DOE, ENERGY STAR, ENERGY STAR Version 7.0 Climate Zones by County/ZIP (Windows, Doors, and Skylights) (V7.0); Pacific Northwest National Laboratory (DOE Building America), Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) (2021 IECC), from the nearest NOAA station 9.1 mi away.

What FEMA's risk data says about Rancho Cordova

Sacramento County's hail risk sits at Relatively Low and its wildfire risk at Relatively Moderate, according to FEMA's National Risk Index.

Hail risk matters for glass and screen durability in Rancho Cordova; wildfire risk matters more for the frame material and nearby vegetation than for the glass itself.

Either way, it's a reasonable question to bring to a Rancho Cordova installer before you settle on a product line.

Strong wind: Very Low
Winter weather: Very Low

Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).

Guides to finish before Rancho Cordova window bids come in

How to Read an NFRC Window Label Four numbers on one sticker decide most of a window's real-world performance. Here's what each one means.
ENERGY STAR Window Criteria by Climate Zone ENERGY STAR splits the country into four zones, each with its own numbers. Here they are, and why the Northern zone works backward from the other three.
Impact Windows vs. Shutters in Florida's Hurricane Zones Florida gives homeowners two paths to a protected opening. Here's how each one is tested, and where the HVHZ raises the bar further.

Rancho Cordova's longest-licensed window installers

Oldest license first, newest last, pulled directly from the state's file. This list isn't for sale.

Dick's Rancho Glass INCWindow and glass contractor · licensed 40 years · 95741Verify license
Your Energy SourceWindow and glass contractor · licensed 36 years · 95742Verify license
Northwest Exteriors INCWindow and glass contractor · licensed 31 years · 95670Verify license
Sierra Valley MechanicalWindow and glass contractor · licensed 22 years · 95742Verify license
Hall's Window Center INCWindow and glass contractor · licensed 22 years · 95742Verify license
Andre's Reliable Glass IncorporatedWindow and glass contractor · licensed 22 years · 95742Verify license
Biba's A 2 Z Home ImprovementWindow and glass contractor · licensed 15 years · 95670Verify license
Sacramento Glass WorksWindow and glass contractor · licensed 15 years · 95742Verify license
Two Brothers Glass INCWindow and glass contractor · licensed 13 years · 95742Verify license
Acs Us INCWindow and glass contractor · licensed 8 years · 95742Verify license
Rebuildit INCWindow and glass contractor · licensed 4 years · 95742Verify license
C B P General Construction INCWindow and glass contractor · licensed 3 years · 95742Verify license

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