Verified Service Areas

Service Areas

Apex Grid publishes MEP, structural, civil, and energy-compliance guidance for multiple jurisdictions. Service availability is not inferred from a location page: before accepting a project, we verify the responsible individual's current license, firm authorization, discipline, and AHJ requirements.

One Organization, Three Divisions

Major Metro Markets

Bernalillo County

Albuquerque

2021 New Mexico Commercial Building Code · Public Service Company of New Mexico

Lehigh County

Allentown

2018 International Building Code as adopted by Pennsylvania's Uniform Construction Code · PPL Electric Utilities

Orange County

Anaheim

2025 California Building Standards Code · Anaheim Public Utilities provides municipal electric and water service within its territory; Southern California Gas Company provides natural gas, and nearby Orange County parcels may have different electric service

Washtenaw County

Ann Arbor

Michigan Building Code · DTE Energy

Tarrant County

Arlington

2021 International Building Code · Oncor Electric Delivery provides regulated electric delivery service; Arlington is in ERCOT's competitive retail market

Fulton County

Atlanta

Georgia State Minimum Standard Codes · Georgia Power

Richmond County

Augusta

Georgia State Minimum Standard Codes · Augusta Utilities provides electric service in its service area; Georgia Power also serves portions of the region, so the parcel provider must be confirmed

Arapahoe, Adams, and Douglas Counties

Aurora

2021 Aurora Building Code · Xcel Energy

Travis County

Austin

2024 IBC · Austin Energy, a municipally owned utility

Kern County

Bakersfield

2025 California Building Standards Code · Bakersfield Public Utilities

Baltimore City

Baltimore

Baltimore City Building Code adopting the 2021 International Building Code · Baltimore Gas and Electric

East Baton Rouge Parish

Baton Rouge

Louisiana State Uniform Construction Code · Entergy Louisiana

Sarpy County

Bellevue

2018 International Building Code · Omaha Public Power District

Yellowstone County

Billings

2021 Montana Building Code · NorthWestern Energy

Jefferson County

Birmingham

City of Birmingham adopted 2015 International Building Code with local amendments · Alabama Power provides electric service in Birmingham

Ada County

Boise

2018 Idaho Building Code · Idaho Power

Suffolk County

Boston

10th edition Massachusetts State Building Code · Eversource Energy delivers electricity in Boston; National Grid supplies natural gas

Cameron County

Brownsville

2021 International Building Code with City of Brownsville amendments · AEP Texas

Erie County

Buffalo

2020 Building Code of New York State · National Grid provides electric distribution service in Buffalo

Chittenden County

Burlington

Vermont Fire and Building Safety Code · Green Mountain Power

Linn County

Cedar Rapids

2015 International Building Code with Iowa amendments · Alliant Energy

Maricopa County

Chandler

2018 International Building Code · Salt River Project

Kanawha County

Charleston

West Virginia State Building Code · Appalachian Power

Charleston County

Charleston

2021 South Carolina Building Codes · Dominion Energy South Carolina

Mecklenburg County

Charlotte

North Carolina State Building Code · Duke Energy Carolinas serves the City of Charlotte and Mecklenburg County

Hamilton County

Chattanooga

2018 International Building Code with Tennessee and City of Chattanooga amendments · EPB provides electric service in Chattanooga and operates a municipal fiber network

Laramie County

Cheyenne

2018 International Building Code as adopted by the City of Cheyenne · Black Hills Energy

Cook County

Chicago

2019 Chicago Construction Codes · Commonwealth Edison

San Diego County

Chula Vista

2025 California Building Standards Code · San Diego Gas & Electric

Hamilton County

Cincinnati

Ohio Building Code · Duke Energy Ohio provides electric distribution service

Cuyahoga County

Cleveland

Ohio Building Code · Cleveland Public Power serves municipal electric customers; The Illuminating Company serves other parts of the city

El Paso County

Colorado Springs

2023 Pikes Peak Regional Building Code · Colorado Springs Utilities provides electric, natural gas, water, and wastewater service within its service territory

Richland County

Columbia

2021 South Carolina Building Codes · Dominion Energy South Carolina

Franklin County

Columbus

Ohio Building Code · AEP Ohio is the electric distribution utility for Columbus

Nueces County

Corpus Christi

2021 International Building Code · AEP Texas provides electric delivery service; Corpus Christi Water provides municipal water and wastewater service

Dallas County

Dallas

2021 IBC · Oncor Electric Delivery provides regulated wires/delivery service; Dallas sits in the ERCOT competitive-retail market, so the customer chooses a retail electric provider while Oncor handles the meter and interconnection

Montgomery County

Dayton

Ohio Building Code · AES Ohio

City and County of Denver

Denver

2021 Denver Building and Fire Code · Xcel Energy

Polk County

Des Moines

Des Moines Building Code · MidAmerican Energy Company provides electric service in Des Moines

Wayne County

Detroit

Michigan Building Code · DTE Electric serves Detroit

Durham County

Durham

2024 North Carolina State Building Code · Duke Energy Progress

El Paso County

El Paso

2018 International Building Code · El Paso Electric provides electric distribution service; El Paso Water provides water and wastewater service within its service area

Cass County

Fargo

North Dakota State Building Code based on the 2018 International Building Code · Xcel Energy

Washington County

Fayetteville

2021 International Building Code as adopted by Arkansas · Ozarks Electric Cooperative and SWEPCO

Cumberland County

Fayetteville

North Carolina State Building Code · Fayetteville Public Works Commission

Broward County

Fort Lauderdale

Florida Building Code · Florida Power & Light

Allen County

Fort Wayne

Indiana Building Code · Indiana Michigan Power

Tarrant County

Fort Worth

2021 International Building Code · Oncor Electric Delivery provides the regulated electric delivery network; Fort Worth is in ERCOT's competitive retail-electric market

Frederick County

Frederick

Maryland Building Performance Standards · Potomac Edison

Alameda County

Fremont

2025 California Building Standards Code · Pacific Gas and Electric Company

Fresno County

Fresno

2025 California Building Standards Code · Pacific Gas and Electric Company

Collin and Denton Counties

Frisco

2021 International Building Code with City of Frisco amendments · CoServ Electric and Oncor Electric Delivery

Maricopa County

Gilbert

2021 International Building Code · Salt River Project

Maricopa County

Glendale

2024 IBC · Arizona Public Service

Kent County

Grand Rapids

Michigan Building Code · Consumers Energy provides electric distribution service in Grand Rapids

Brown County

Green Bay

Wisconsin Commercial Building Code · Wisconsin Public Service

Guilford County

Greensboro

2024 North Carolina State Building Code · Duke Energy

Harrison County

Gulfport

2021 International Building Code with City of Gulfport amendments · Mississippi Power

Dauphin County

Harrisburg

2018 International Building Code as adopted through the Pennsylvania Uniform Construction Code · PPL Electric Utilities

Hartford County

Hartford

2022 Connecticut State Building Code · Eversource provides electric distribution service in Hartford

Clark County

Henderson

2018 International Building Code with City of Henderson and Southern Nevada amendments · NV Energy

Miami-Dade County

Hialeah

Florida Building Code · Florida Power & Light

Honolulu County

Honolulu

2018 Hawaii State Building Code as adopted and amended by the City and County of Honolulu · Hawaiian Electric

Harris County

Houston

2021 IBC · CenterPoint Energy Houston Electric provides regulated wires/delivery service; Houston is in the ERCOT competitive-retail market, so the customer selects a retail electric provider while CenterPoint owns the meter and interconnection

Marion County

Indianapolis

Indiana Building Code · AES Indiana is the electric utility for Indianapolis

Johnson County

Iowa City

2015 International Building Code with Iowa amendments · MidAmerican Energy

Orange County

Irvine

2025 California Building Standards Code · Southern California Edison

Dallas County

Irving

2021 International Building Code with City of Irving amendments · Oncor Electric Delivery

Duval County

Jacksonville

Florida Building Code · JEA, Jacksonville's community-owned utility, provides electric service in most of the city

Hudson County

Jersey City

New Jersey Uniform Construction Code · Public Service Electric and Gas Company

Jackson, Clay, and Platte counties

Kansas City

Kansas City · Evergy Missouri Metro provides electric service in Kansas City, Missouri

Knox County

Knoxville

2018 International Building Code with City of Knoxville amendments · Knoxville Utilities Board

Webb County

Laredo

2021 International Building Code · AEP Texas provides electric distribution service in Laredo; the city is within ERCOT's competitive retail-electric market

Clark County

Las Vegas

2018 IBC with Southern Nevada and City of Las Vegas amendments · NV Energy

Lancaster County

Lincoln

2018 International Building Code · Lincoln Electric System

Los Angeles County

Long Beach

2022 Long Beach Building Code · Southern California Edison

Los Angeles County

Los Angeles

2025 California Building Standards Code · Los Angeles Department of Water and Power

Jefferson County (Louisville Metro)

Louisville

2024 Kentucky Building Code · Louisville Gas and Electric

Lubbock County

Lubbock

2021 International Building Code · Lubbock Power & Light provides electric service within its service territory

Bibb County

Macon

Georgia State Minimum Standard Codes · Macon Water Authority and Georgia Power serve different utility functions and territories; confirm the electric provider for the parcel

Dane County

Madison

Wisconsin Commercial Building Code · Madison Gas and Electric

Hillsborough County

Manchester

2018 New Hampshire State Building Code · Eversource Energy

Collin County

McKinney

2021 International Building Code with City of McKinney amendments · Oncor Electric Delivery

Shelby County

Memphis

Memphis and Shelby County 2018 International Building Code with locally adopted amendments · Memphis Light, Gas and Water

Maricopa County

Mesa

2021 International Building Code · Salt River Project

Miami-Dade County

Miami

Florida Building Code · Florida Power & Light

Milwaukee County

Milwaukee

Wisconsin Commercial Building Code · We Energies provides electric distribution service

Hennepin County

Minneapolis

2020 Minnesota Building Code · Xcel Energy provides electric distribution service in Minneapolis

Davidson County (Metro Nashville)

Nashville

Nashville-adopted International Building Code edition administered by Metro Codes · Nashville Electric Service

New Haven County

New Haven

2022 Connecticut State Building Code · United Illuminating

Orleans Parish

New Orleans

Louisiana State Uniform Construction Code · Entergy New Orleans provides electric and gas service within the city

Five boroughs: New York, Kings, Queens, Bronx, and Richmond Counties

New York City

2022 New York City Construction Codes · Consolidated Edison

Essex County

Newark

New Jersey Uniform Construction Code · Public Service Electric and Gas Company

City of Norfolk

Norfolk

Virginia Uniform Statewide Building Code · Dominion Energy Virginia

Cleveland County

Norman

2018 International Building Code with City of Norman amendments · OG&E

Clark County

North Las Vegas

2018 International Building Code with City of North Las Vegas and Southern Nevada amendments · NV Energy

Alameda County

Oakland

2025 California Building Standards Code · Pacific Gas and Electric Company

Oklahoma County

Oklahoma City

2018 International Building Code · Oklahoma Gas & Electric

Douglas County

Omaha

City of Omaha adopted 2018 International Building Code with Omaha amendments · Omaha Public Power District

Orange County

Orlando

Florida Building Code · Orlando Utilities Commission

Johnson County

Overland Park

2018 International Building Code · Evergy Kansas Central

Philadelphia County

Philadelphia

Philadelphia Building Construction and Occupancy Code · PECO delivers electricity and natural gas in Philadelphia

Maricopa County

Phoenix

2018 IBC · APS and SRP

Allegheny County

Pittsburgh

Pennsylvania Uniform Construction Code based on the 2018 International Codes · Duquesne Light Company delivers electricity in the City of Pittsburgh

Collin County

Plano

2021 International Building Code · Oncor Electric Delivery provides regulated electric delivery service; Plano is in ERCOT's competitive retail-electric market

St. Lucie County

Port St. Lucie

Florida Building Code · Florida Power & Light

Cumberland County

Portland

Maine Uniform Building and Energy Code · Central Maine Power

Multnomah County

Portland

2022 Oregon Structural Specialty Code · Portland General Electric

Providence County

Providence

Rhode Island State Building Code SBC-1 · Rhode Island Energy provides electric distribution service in Providence

Utah County

Provo

2021 Utah State Construction Code · Rocky Mountain Power

Wake County

Raleigh

2024 North Carolina State Building Code · Duke Energy Progress

Washoe County

Reno

2018 International Building Code · NV Energy serves electric and natural-gas customers in Reno

City of Richmond

Richmond

2021 Virginia Uniform Statewide Building Code · Dominion Energy Virginia

Riverside County

Riverside

2025 California Building Standards Code · Riverside Public Utilities

Olmsted County

Rochester

2020 Minnesota Building Code · Rochester Public Utilities

Sacramento County

Sacramento

2025 California Building Standards Code · Sacramento Municipal Utility District

Marion County

Salem

2022 Oregon Structural Specialty Code · Portland General Electric

Salt Lake County

Salt Lake City

2021 IBC as adopted statewide under the Utah State Construction Code · Rocky Mountain Power

Bexar County

San Antonio

2024 IBC · CPS Energy, the municipally owned utility serving San Antonio and much of Bexar County

San Bernardino County

San Bernardino

2025 California Building Standards Code · Southern California Edison

San Diego County

San Diego

2025 California Building Standards Code · San Diego Gas & Electric

City and County of San Francisco

San Francisco

2025 California Building Standards Code · Pacific Gas and Electric Company

Santa Clara County

San Jose

2025 California Building Standards Code · Pacific Gas and Electric Company

Orange County

Santa Ana

2022 Santa Ana Building Code · Southern California Edison

Santa Fe County

Santa Fe

2021 New Mexico Commercial Building Code · Public Service Company of New Mexico

Chatham County

Savannah

Georgia State Minimum Standard Codes as enforced by the City of Savannah · Georgia Power

Maricopa County

Scottsdale

2021 International Building Code · Arizona Public Service

King County

Seattle

2021 Seattle Building Code · Seattle City Light

Minnehaha County

Sioux Falls

2021 International Building Code as adopted by the City of Sioux Falls · Xcel Energy provides electric service in Sioux Falls

St. Joseph County

South Bend

Indiana Building Code · Indiana Michigan Power

Washoe County

Sparks

2018 International Building Code · NV Energy serves Sparks

Spokane County

Spokane

2021 International Building Code with Washington State and City of Spokane amendments · Avista Utilities

Greene County

Springfield

2018 International Building Code · City Utilities of Springfield

Independent city

St. Louis

2015 International Building Code · Ameren Missouri

Ramsey County

St. Paul

2020 Minnesota State Building Code · Xcel Energy

Pinellas County

St. Petersburg

Florida Building Code · Duke Energy Florida provides electric distribution service in St. Petersburg

San Joaquin County

Stockton

2025 California Building Standards Code · Pacific Gas and Electric Company

Pierce County

Tacoma

2021 Washington State Building Code · Tacoma Power

Hillsborough County

Tampa

Florida Building Code · Tampa Electric

Maricopa County

Tempe

2024 ICC I-Codes · Salt River Project

Lucas County

Toledo

Ohio Building Code · Toledo Edison, a FirstEnergy electric distribution company, serves Toledo

Pima County

Tucson

2018 IBC with City of Tucson amendments · Tucson Electric Power

Tulsa County

Tulsa

2018 International Building Code · Public Service Company of Oklahoma

City of Virginia Beach

Virginia Beach

2021 Virginia Uniform Statewide Building Code · Dominion Energy Virginia

McLennan County

Waco

2021 International Building Code with City of Waco amendments · Oncor Electric Delivery

Sedgwick County

Wichita

Wichita/Sedgwick County 2018 International Building Code with locally adopted amendments · Evergy Kansas Central provides electric service; the City of Wichita provides water and sewer service

New Castle County

Wilmington

2018 International Building Code with City of Wilmington amendments · Delmarva Power

New Hanover County

Wilmington

North Carolina State Building Code · Duke Energy Progress

Worcester County

Worcester

10th edition Massachusetts State Building Code · National Grid

Choose a State

AL

Alabama

2015 IECC has been the state-referenced commercial energy baseline · 2A

AZ

Arizona

Varies by jurisdiction · 2B

AR

Arkansas

Arkansas Energy Code for commercial buildings, based on the IECC / ASHRAE 90.1 (2021 IECC base in the current adoption) · 3A across most of the state, with 4A in the northern Ozark highlands

CA

California

Title 24, Part 6 (2025 California Energy Code), effective January 1, 2026 · IECC 3B/3C along the coast, 4B/4C inland, up to 6B–7 in the Sierra

CO

Colorado

2021 IECC (state law now requires jurisdictions to adopt a recent energy code · 5B across the Front Range

CT

Connecticut

2021 IECC / ASHRAE 90.1-2019 (adopted as the Connecticut State Energy Code) · 5A across most of the state

DE

Delaware

2018 IECC / ASHRAE 90.1-2016 (Delaware energy code, adopted statewide by the Division of Energy & Climate) · 4A statewide — a humid, mixed-heating climate from the Wilmington/Piedmont north to the low, coastal Sussex County south

FL

Florida

Florida Building Code · 2A

GA

Georgia

Georgia State Minimum Standard Energy Code · 2A

HI

Hawaii

Hawaii Energy Conservation Code (based on the IECC, adopted through the State Building Code and county process) with ASHRAE 90.1 available as a referenced alternate · 1A

ID

Idaho

2018 IECC (Idaho-adopted, with state amendments) · 5B across the Treasure Valley

IL

Illinois

Illinois Energy Conservation Code · 5A across most of the state, transitioning to 4A in the far south

IN

Indiana

Indiana Energy Conservation Code based on ASHRAE 90.1-2007 / 2010-era IECC provisions with state amendments · 5A across most of the state, transitioning toward 4A in the far south near the Ohio River

IA

Iowa

Iowa Energy Code based on the 2012 IECC / ASHRAE 90.1-2010 with state amendments (adopted statewide) · 5A across most of the state

KS

Kansas

Varies by jurisdiction · 4A across most of the state

KY

Kentucky

Kentucky's commercial energy provisions follow the IECC / ASHRAE 90.1 edition incorporated into the Kentucky Building Code · 4A statewide

LA

Louisiana

2021 IECC / ASHRAE 90.1-2019 (adopted as part of the LSUCC commercial provisions) · 2A

ME

Maine

Maine commercial energy code within MUBEC (based on the IECC / ASHRAE 90.1 as adopted by BBCS) · 6A across most of the state

MD

Maryland

2021 IECC / ASHRAE 90.1-2019 (adopted within the MBPS as the Maryland energy code) · 4A across most of the state

MA

Massachusetts

Massachusetts commercial energy code (based on the IECC / ASHRAE 90.1 as adopted in 780 CMR 13/115) · 5A across most of the state

MI

Michigan

Michigan Uniform Energy Code based on the 2015 IECC (with ASHRAE 90.1-2013 as an alternate path) · 5A across the Lower Peninsula and 6A/7 across the Upper Peninsula

MN

Minnesota

Minnesota Commercial Energy Code based on ASHRAE 90.1-2016 / 2018 IECC with state amendments · 6A across most of the state

MS

Mississippi

IECC-based commercial energy provisions where adopted locally · 2A

MO

Missouri

Varies by jurisdiction · 4A across most of the state

MT

Montana

IECC-based Montana commercial energy code (recent cycles referencing the 2021 IECC with amendments) · 6B across much of the state

NE

Nebraska

Nebraska Energy Code based on the IECC (adopted statewide, historically tracking a 2018 IECC vintage) with ASHRAE 90.1 as an alternate path · 5A across the east and central state

NV

Nevada

2018 IECC (adopted by Clark County and the Southern Nevada jurisdictions · 3B

NH

New Hampshire

2018 IECC / ASHRAE 90.1-2016 (adopted as part of the New Hampshire State Building Code / State Energy Code) · 6A across most of the state

NJ

New Jersey

2021 IECC / ASHRAE 90.1-2019 (adopted as the NJ energy subcode) · 4A across the entire state — a humid, mixed climate stretching from the Atlantic shore to the northwest highlands, which run somewhat colder

NM

New Mexico

2021 IECC-based New Mexico Energy Conservation Code (statewide, with amendments) · 3B–4B across the desert south and central corridor

NY

New York

2020 Energy Conservation Construction Code of New York State (ECCCNYS), based on 2018 IECC / ASHRAE 90.1-2016 · 4A across the NYC metro, Long Island, and the Hudson Valley

NC

North Carolina

North Carolina Energy Conservation Code (a state-amended edition derived from the IECC with ASHRAE 90.1 as a referenced alternate for commercial buildings) · 3A across the Piedmont and coastal plain

ND

North Dakota

2018 IECC (as adopted within the State Building Code), with ASHRAE 90.1-2016 available as the referenced alternate for commercial buildings · 6A across most of the state, edging into 7

OH

Ohio

2021 IECC (as incorporated into the Ohio Building Code, with ASHRAE 90.1 as an alternate compliance path) · 5A

OK

Oklahoma

2018 IECC (adopted with the 2018 code package by the Uniform Building Code Commission) · 3A in the southeast, 3B/4B across the central and Panhandle regions

OR

Oregon

Oregon Energy Efficiency Specialty Code (OEESC), based on ASHRAE 90.1 / IECC with aggressive state amendments · 4C

PA

Pennsylvania

2018 IECC / ASHRAE 90.1-2016 (as adopted under the UCC) · 4A across the southeast

RI

Rhode Island

2018 IECC / ASHRAE 90.1-2016 (adopted as the Rhode Island energy code, SBC-8) · 5A statewide, with the coastal south and Narragansett Bay areas at the milder end of the cold-humid range

SC

South Carolina

2009 IECC as the statewide energy standard adopted by the Building Codes Council, with ASHRAE 90.1 available as a referenced alternate for commercial buildings · 3A across most of the state including Columbia, Charleston, and Greenville

SD

South Dakota

No statewide mandatory commercial energy code · 6A across most of the state, with 5A in the far southeast around Sioux Falls and cold high-elevation conditions in the Black Hills

TN

Tennessee

2018 IECC / ASHRAE 90.1-2016 as the statewide commercial energy baseline · 4A across most of the state, with 3A in the far southwest around Memphis

TX

Texas

2021 IECC is the state minimum for commercial construction (State Energy Conservation Office adoption) · 2A

UT

Utah

2021 IECC / ASHRAE 90.1-2019 (as amended by the state) · 5B across the Wasatch Front

VT

Vermont

Vermont Commercial Building Energy Standards (CBES), based on ASHRAE 90.1 / IECC and updated on a state cycle · 6A across most of the state

VA

Virginia

Virginia Energy Conservation Code (part of the 2021 USBC), based on 2021 IECC with amendments · 4A across most of the Commonwealth including the Tidewater, Piedmont, and Northern Virginia

WA

Washington

Washington State Energy Code (WSEC-C), 2021 edition · 4C

WV

West Virginia

2015 IECC (as adopted within the State Building Code) · 5A across most of the state, with 4A in the lower Ohio and Kanawha valleys and 6A along the highest Allegheny ridges

WI

Wisconsin

Wisconsin commercial energy code (SPS 363) referencing an IECC/ASHRAE 90.1 vintage adopted statewide · 6A across most of the state

WY

Wyoming

Varies by jurisdiction · 6B across much of the state

Don't See Your Jurisdiction?

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