USPS ZIP 20901
Silver Spring · Montgomery County, MD
ZIP Code 20901 Construction Cost Estimating & Crew Wage Index (Silver Spring, MD)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 20901 in Silver Spring, Montgomery County, Maryland. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 20901 Calibration Card
- Jurisdiction
- Montgomery County
- ZIP Labor Index
- 101.4
- Material Freight Index
- 100.8
- Composite Multiplier
- 1.01x (101.1)
- Coordinates
- 39.0191, -77.0076
ZIP 20901 (Silver Spring, MD) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Mixed Union & Merit-Shop bidding in Montgomery County (101.4 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 20901 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $79.60/hr | $19.82/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $75.85/hr | $22.65/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $77.27/hr | $9.91/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $65.81/hr | $240.62/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $80.51/hr | $4297/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $67.43/hr | $10.36/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $73.11/hr | $34.88/CY | From $95 |
MD Building & NEC Code Notes
Maryland Building Performance Standards (2021 IBC/IECC/NEC) + Chesapeake Bay Critical Area stormwater controls.
Site & Environmental Scope Factors
Strict MDE stormwater bioretention/ESD sizing, I-270 BSL-2/BSL-3 cleanroom pressurization, and Baltimore harbor marine pilings.
Prevailing Wage Rules in ZIP 20901
Maryland Prevailing Wage Law applies to public works >= $250,000 with >= 25% state funding.
Order a ZIP 20901 Takeoff in Any of Our 22 CSI Trade Divisions
General Construction
Electrical
Mechanical
HVAC
Plumbing
MEP Combined
Fire Protection
Concrete
Masonry
Structural Steel
Carpentry & Wood
Roofing & Siding
Drywall & Insulation
Flooring
Painting & Coatings
Doors, Windows & Glazing
Excavation & Sitework
Civil & Infrastructure
Landscaping & Hardscape
Specialty & Technology
Demolition & Restoration
Industrial & Process