Sacramento, CA: Climate Zone, Risk and Window Requirements

ENERGY STAR groups Sacramento County into its South-Central zone, which is the U-factor and SHGC target worth checking against any quote you get in Sacramento. The longest-licensed window contractors based in Sacramento are listed below the climate data.

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

3BIECC climate zone · ENERGY STAR South-Central zone

What zone 3B means for a Sacramento window

Sacramento County's normal precipitation runs about 19.2 inches a year, with 0.0 inches of snow, which is a separate question from energy performance but still shapes which window details matter in Sacramento.

Moisture and glass performance are handled by different parts of a window's spec sheet, and a Sacramento buyer benefits from checking both instead of assuming one implies the other.

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 2.9 mi away.

Storm and weather risk around Sacramento

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 Sacramento; 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 Sacramento 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 Sacramento 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.

Window installers with the longest license records in Sacramento

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

Yancey CompanyWindow and glass contractor · licensed 69 years · 95826Verify license
Atlas Shower Door COWindow and glass contractor · licensed 65 years · 95838Verify license
Pacific BuildersWindow and glass contractor · licensed 63 years · 95826Verify license
Efficient Energy Solutions INCWindow and glass contractor · licensed 47 years · 95834Verify license
Capital City Glass & Mirror INCWindow and glass contractor · licensed 44 years · 95822Verify license
R & S Overhead Doors And Gates Of Sacramento INCWindow and glass contractor · licensed 42 years · 95828Verify license
Southgate Glass & Screen INCWindow and glass contractor · licensed 38 years · 95826Verify license
Ultra GlassWindow and glass contractor · licensed 37 years · 95834Verify license
Ridgeline ConstructionWindow and glass contractor · licensed 36 years · 95826Verify license
Clarke & Rush Mechanical INCWindow and glass contractor · licensed 35 years · 95841Verify license
Community Resource Project INCWindow and glass contractor · licensed 35 years · 95838Verify license
United Glass COWindow and glass contractor · licensed 34 years · 95841Verify license

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