Delaware engineering services
PE Stamp and Permit-Ready Plans in Delaware
Structural, architectural and MEP drawings sealed by a Delaware-licensed engineer, prepared for county and town review, coastal flood zones and shore winds.
- Stamped by a PE licensed in Delaware
- Accepted by Delaware building departments
- Residential, commercial and industrial
Delaware permit plans from Wilmington to the beaches
Delaware is small, but getting a PE stamp in Delaware still means working with several different building authorities. New Castle, Kent and Sussex counties each run their own permitting for unincorporated areas, and cities such as Wilmington, Dover and Newark have their own departments. Each adopts the International Codes with local amendments, and the coastal towns layer on flood and height rules of their own.
PE Engineer prepares structural, architectural, MEP and civil drawings for Delaware projects, sealed by a Delaware-licensed Professional Engineer through our network of state-licensed PEs. We check the county or town requirements first, including flood zone, wind exposure and any special inspection rules, so the set fits the office that will review it.
Sussex County drives much of the demand, with new homes, coastal elevations, decks and porches, modular and manufactured home foundations, pole buildings and poultry houses. Upstate, Wilmington and New Castle County bring rowhouse renovations, commercial tenant work and industrial projects along the I-95 corridor.
How licensing works. Engineering drawings must be sealed by a Professional Engineer licensed in Delaware. PE Engineer works with a network of state-licensed PEs, so every set we deliver is reviewed and stamped by an engineer who holds an active license in Delaware. Their name and license number appear on the seal, exactly as your building department requires.
Popular in Delaware
- Coastal homes and elevations
- Modular and manufactured home foundations
- Decks, porches and screened rooms
- Pole buildings and poultry houses
- Rowhouse renovations
- Commercial and industrial fit-outs
Engineering services for Delaware projects
Drawings for homes, farms and businesses in New Castle, Kent and Sussex counties, sealed by a Delaware-licensed PE.
Structural engineering in Delaware
Coastal wind and flood design to ASCE 7 and ASCE 24, pile and pier foundations, modular home set and tie-down details, deck framing, rowhouse beam and party wall work, and steel or post-frame buildings.
Architectural plans in Delaware
Floor plans, elevations and site plans for new homes, additions, beach houses and commercial suites, including conversions of modular or manufactured floor plans into site-built permit sets that meet the IRC.
MEP engineering in Delaware
HVAC, electrical and plumbing design for homes, restaurants and offices, energy code compliance documentation, kitchen hood exhaust, fire sprinkler and fire alarm drawings, and solar PV plans.
Industrial and equipment stamps in Delaware
Equipment anchorage, platforms, mezzanines, storage racks, and OSHA stairs and guardrails for chemical, food processing and logistics facilities in northern Delaware and poultry processing operations downstate.
Delaware codes and fire regulations
Delaware does not have a single statewide building code for private construction. Counties and municipalities adopt the International Codes with amendments, the state sets a minimum energy code, and the Office of the State Fire Marshal enforces the Delaware State Fire Prevention Regulations, which drive sprinkler, alarm and life-safety requirements for many commercial buildings. We confirm which editions your reviewing office enforces. Coastal towns frequently add freeboard above the base flood elevation through their floodplain ordinances.
- International Building Code (IBC) as adopted by your county or city
- International Residential Code (IRC) as adopted by your county or city
- International Energy Conservation Code (IECC), with the state energy code minimum
- Delaware State Fire Prevention Regulations
- ASCE 7 for loads and ASCE 24 for flood-resistant construction
- NFPA 13 and NFPA 72 for sprinkler and alarm systems
Coastal wind, flooding and low-lying soils
Coastal wind and water dominate design in eastern Sussex and Kent counties. Hurricanes and nor’easters push storm surge into Rehoboth Bay, Indian River Bay and the Delaware Bay shoreline, and many lots fall in AE or VE flood zones. Homes there are often built on piles with breakaway enclosures below, and design wind speeds are higher near the ocean than inland. Our flood elevation work covers both the foundation and the flood-resistant details below it.
Inland, Delaware is flat and low-lying, with sandy soils and a high water table across much of Sussex County that affect foundation type, crawlspace drainage and septic placement on site plans. Upstate New Castle County has firmer soils, older masonry buildings and more varied terrain. Snow loads are moderate and frost depth is modest compared with northern states, but both still apply to footings and roofs. Seismic design values are low.
How permits work in Delaware
Sussex, Kent and New Castle counties each review residential and commercial plans for unincorporated areas, while incorporated towns, including beach communities such as Lewes, Rehoboth Beach and Bethany Beach, often run separate building and floodplain reviews. Commercial projects typically also need State Fire Marshal approval. Wilmington, Newark and Dover each review work inside their limits through their own departments, with their own submittal procedures.
- Confirm the county or town jurisdiction, flood zone and any fire marshal review.
- We prepare the drawings and calculations, sealed by a Delaware-licensed PE.
- Submit to the building office and, if required, the fire marshal.
- We address comments and revise within the original scope until approval.
Modular and manufactured homes deserve extra attention. A factory plan may need site-specific foundation and tie-down drawings, or a full site-built conversion, before a county will issue the permit.
Cities and counties we serve in Delaware
- Wilmington
- Dover
- Newark
- Middletown
- Smyrna
- Milford
- Seaford
- Georgetown
- Millsboro
- Lewes
- Rehoboth Beach
- Bethany Beach
- Elsmere
- Camden
- New Castle County
- Kent County
- Sussex County
Plus every other city, town and county in Delaware. If your project is in Delaware, we can stamp it.
How it works
From first message to stamped drawings, you deal directly with the engineering team.
Step 1
Send your project
Fill out the quote form with the address, scope and any drawings, photos or plan-check comments you already have. Two minutes is enough.
Step 2
Get a fixed-fee quote
An engineer reviews the scope and replies with a clear fixed price and delivery date for your project in Delaware. No hourly surprises.
Step 3
Engineering and drafting
We run the calculations, prepare the drawings to the codes your jurisdiction enforces, and check every sheet before sealing.
Step 4
Stamped set delivered
You receive the sealed PDF set ready to submit. If the plan reviewer has comments, we answer them and revise at no charge within scope.
PE stamp and permit plan FAQs for Delaware
Can you provide a PE stamp for my project in Delaware?
Yes. Delaware projects are sealed by a Professional Engineer licensed in Delaware, through PE Engineer’s network of state-licensed PEs. The seal includes the engineer’s name and Delaware license number, and we include supporting calculations so county, town and fire marshal reviewers can follow the design.
Can you convert a modular home plan into a stick-built permit set?
Yes. When a factory-built plan needs to be built on site instead, we redraw it as a site-built set with framing plans, foundation design, structural calculations and code notes for the IRC edition your county enforces. This comes up often in Sussex County, where buyers like a modular floor plan but want conventional construction.
Do coastal Delaware homes need special foundations?
Many do. Homes in VE zones generally need open foundations such as piles or columns, with any enclosed area below the flood elevation built as breakaway walls. In AE zones, crawlspace or pier foundations with flood openings are common. We design to the base flood elevation plus any freeboard your town or county requires.
Do I need engineered plans for a pole building or poultry house?
Often, especially for larger buildings or when a lender or insurer is involved. Requirements for agricultural buildings vary by county, but an engineered design with post embedment, bracing and truss connections moves through review more easily where review applies, and it performs better in the coastal winds that reach far inland on the Delmarva Peninsula.
Do commercial projects in Delaware need fire marshal review?
Usually. The Office of the State Fire Marshal reviews many commercial, multifamily and assembly projects under the Delaware State Fire Prevention Regulations, separately from the building permit. We prepare fire sprinkler, fire alarm and life-safety drawings so both reviews can run in parallel.