USGS, footnoted to the National Geodetic Survey. The state survey measures the monument itself at 447.85 ft and the ground just west of the road at around 450
Delaware Climate Office. Mean annual temperature runs from 54.0°F in northern New Castle County to 58.1°F on the Atlantic coast
Vans on a Delaware beach
A two-axle van is eligible for a surf fishing permit as long as it is licensed and registered for public highways, and length is not capped by the state the way it is at the federal seashore across the Maryland line. Weight and wheelbase are the real limits: soft sand near the dune line finds a heavy rear axle fast, and the recovery kit the state requires is the only help you are guaranteed.
Inland the calculation flips. Delaware state forests exclude self-propelled motor homes from their campsites outright, so a van that sleeps is refused at the one primitive camping system the state runs away from the coast.
A conversion is a small house on a moving, flexing, weight-limited platform. The builder insulates and lines the shell, installs the electrical system, plumbing, heat and ventilation, builds the bed, galley and storage, and cuts the holes for windows, fans and vents that you do not want to get wrong.
Some shops build complete vans to a set floor plan. Others build to order, and a few will take on partial work such as electrical only.
A typical conversion includes
01Insulation, wall and ceiling panels, and flooring
02House battery, alternator charging, solar, inverter and shore power
03Roof fan, heater, and sometimes air conditioning
04Fresh and gray water, a sink, and sometimes a shower and water heater
05Bed, galley, seating and storage
06Windows, racks, ladders, awnings and exterior lighting
How to choose a van builder
Floor plans are easy to fall for. The questions underneath them matter more.
01Decide between a shop's standard layout and a custom build. Standard layouts are faster, and the shop has already solved their problems.
02Ask what the finished van weighs with water and gear. Sprinters are sold in several gross weight ratings, and a heavy build on the lightest chassis leaves little margin.
03Ask how the electrical system is protected and documented, and whether the components can be serviced on the road.
04Ask how cabinetry is fastened to the van. Furniture that is only screwed to thin wall panels works loose on rough roads.
05Ask how added seats and seat belts are engineered and anchored if anyone rides behind the front row.
06Get the scope, price, payment schedule and delivery date in writing.
What to have ready before you ask for a quote
The van you order decides what can be built in it, so it helps to talk to a builder before you buy.
01Model year, 144 or 170 wheelbase, roof height, and two-wheel, all-wheel or four-wheel drive
02How many people sleep in it and how many ride in it
03The seasons and climates you travel in
04Whether you need to work from it
05What goes inside with you: bikes, boards, dogs
06A budget range and the date you want to be traveling
Questions people ask
Do I need to own the van before I contact a builder?
No. Many builders would rather talk first, because the wheelbase, roof height and drivetrain you order decide what can be built. Some shops can also source a van.
How long does a Sprinter conversion take?
A full custom build is usually measured in months, plus whatever wait the shop has before it can start. Standard layouts are quicker. Ask for both numbers.
Should I get the 144 or the 170 wheelbase?
The 144 is easier to park, turn and drive on tight roads. The 170 gives you room for a fixed bed and a real galley without compromise. Think about where you will actually drive it, then about how you want to live in it.
Can these builders work on a Ford Transit or Ram ProMaster?
Many do. If you are on another platform, say so in the form and we will look for shops with that experience.
How high is Delaware?
From Rehoboth Beach at 1 feet to Ebright Road, at the Pennsylvania line at 448.
Altitude decides what your engine, your brakes and your lungs have to work with, and how late in the year the passes open.
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Feet above sea level
Towns
WilmingtonThe Brandywine Valley byway, and thirteen Underground Railroad sites on the Tubman route91 ft
HarringtonTaber State Forest country, and the inland pond parks59 ft
GeorgetownThe county seat below Redden State Forest53 ft
SmyrnaThe turn for Bombay Hook and for Blackbird State Forest32 ft
DoverThe capital, and the John Dickinson Plantation out on the bayshore road28 ft
LaurelNanticoke byway country and the southern end of the Woodland Ferry run27 ft
MillsboroInland services on the Indian River, west of the inlet24 ft
SeafordThe Nanticoke River crossing and the northern ferry approach23 ft
MilfordMid-state services between the bayshore refuges and the coast13 ft
LewesThe ferry landing, Cape Henlopen and the Beach Plum Island crossing13 ft
MiltonThe approach to Prime Hook and the bayshore marshes11 ft
New CastleThe northern end of the Delaware Bayshore Byway10 ft
Bethany BeachThe break in the state park between Delaware Seashore and Fenwick Island6 ft
Fenwick IslandThe southernmost drive-on beaches and the Maryland line5 ft
Dewey BeachThe northern end of the Delaware Seashore barrier strip5 ft
Rehoboth BeachFull services between Gordons Pond and the Delaware Seashore beaches1 ft
Passes, high roads and summits
Ebright Road, at the Pennsylvania lineThe state high point, in New Castle County. USGS publishes 448 feet, footnoted to the National Geodetic Survey; the Delaware Geological Survey measures the benchmark at 447.85 and the ground just west of the road at around 450448 ft
Iron HillOur own reading of the elevation surface at its map point, in New Castle County335 ft
Chestnut HillOur own reading of the elevation surface at its map point, in the piedmont of New Castle County297 ft
Pass, road and summit elevations are the figures published by the agency that manages them. Town elevations are the town’s or county’s own
figure where it publishes an exact one; the rest are from the U.S. Geological Survey (3D Elevation Program at the place’s official coordinates),
retrieved September 18, 2026. Every source is listed at the foot of the page.
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