Building Permits & Construction Cost Guide

County Permitting Hub • 74 ZIP Codes

Montgomery County, MD Building Permits & Cost Intelligence

Official residential permit requirements, inspection workflows, and local contractor wage rates across Montgomery County, Maryland for 2026.

Select Project Guide

Base Permit Fee

$214.62

Municipal Filing Tier

BLS Trade Wage

$32.50/hr

Local Labor Benchmark

Median Housing Age

38 Yrs

Built Circa 1988

Postal Zones

74

Primary: 20812

Montgomery County Project Permitting Guides

Select a residential remodeling category below to launch localized calculators, building codes, and inspection steps.

🏠 MD Standard

Montgomery County

Roof Replacement

Complete roof replacement rules, code inspection requirements, and real-time calculator.

Base Permit: $214.62 Launch Guide →

❄️ MD Standard

Montgomery County

HVAC System Installation

Complete hvac system installation rules, code inspection requirements, and real-time calculator.

Base Permit: $153.30 Launch Guide →

⚡ MD Standard

Montgomery County

Electrical Panel Upgrade

Complete electrical panel upgrade rules, code inspection requirements, and real-time calculator.

Base Permit: $134.91 Launch Guide →

Montgomery County Permitting Boundary

GPS: 39.1169° N, -77.1597° W

Google Maps →

All 74 Postal Codes in Montgomery County

Dedicated Hubs

# 20812 # 20813 # 20814 # 20815 # 20816 # 20817 # 20818 # 20824 # 20825 # 20827 # 20830 # 20832 # 20833 # 20837 # 20838 # 20839 # 20841 # 20842 # 20847 # 20848 # 20849 # 20850 # 20851 # 20852 # 20853 # 20854 # 20855 # 20857 # 20859 # 20860 # 20861 # 20862 # 20866 # 20868 # 20871 # 20872 # 20874 # 20875 # 20876 # 20877 # 20878 # 20879 # 20880 # 20882 # 20883 # 20884 # 20885 # 20886 # 20889 # 20891 # 20892 # 20894 # 20895 # 20896 # 20897 # 20898 # 20899 # 20901 # 20902 # 20903 # 20904 # 20905 # 20906 # 20907 # 20908 # 20910 # 20911 # 20912 # 20913 # 20914 # 20915 # 20916 # 20918 # 20997

Official Authority

Montgomery County Building Inspections & Permits

Montgomery County, MD

Call (800) 555-0190 Official Permitting Portal →

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