Interchange frontage rewards a flex building that can host a showroom, a small assembly line and a loading dock under one roof, as long as the truck traffic does not collide with the retail and hotel traffic next door. We build flex and office-warehouse space in Firestone with that separation designed in from the first site sketch.
The setting explains the demand. State Highway 52 has a diamond interchange with I-25 at exit 235 near Dacono, Frederick and Firestone, and the surrounding land has already drawn commercial interest. A 75-room, three-story, 45,635 sq ft Holiday Inn Express was proposed at 11256 Business Park Circle, northeast of the I-25 and Highway 119 interchange, on land that sold for $990,000 in August 2019, and in 2012 the town annexed the Turner Commons site at the northwest corner of I-25 and Firestone Boulevard and zoned it for regional retail and commercial uses. Those are proposals and zoning actions, not completed buildings, so we treat them as context for the kind of neighbors an industrial lot will have.
For an industrial owner, that neighbor mix sets the design brief. Buildings need clean street faces, screened docks, truck routes that bypass shopping traffic and enough yard to stage deliveries without blocking an access road.
Separating trucks from shoppers on a shared interchange
We start with the traffic plan. Dock doors face the rear or a side court, the truck entry sits on a different frontage than customer parking, and the turning radii are checked with the design vehicle your carriers actually use. If a lot has only one frontage, we recommend a shared entry with a median or striping that keeps trucks in a defined path.
Landscape and screening are not decoration here. They are part of the approval, so we involve the town early and build the screen walls, berms and fence lines into the base bid. Fencing and security integration is scoped with the building so gates, cameras and lighting tie into one electrical plan.
Why Tri-Town flex space keeps drawing tenants
Firestone is in southwestern Weld County about 30 miles north of Denver at 4,856 ft elevation, and its population rose 61.4 percent from 2010 to 16,381 in 2020. We read that growth in construction terms: more households mean more trades, installers, suppliers and light-manufacturing support users who need small-bay space close to their customers.
Flex and light industrial buildings fit that demand because tenants change. We frame them with column spacing, clear height and utility capacity that serve a showroom today and an assembly line tomorrow. The goal is a building that a second tenant can occupy without demolition.
Pad, utilities and tenant flexibility
A flex building lives or dies on its demising system. We set fire walls, utility sub-metering and slab sleeves at the module lines so a bay can be divided or combined later without cutting the floor. Electrical gear is sized with extra capacity and a clear path for added panels.
The slab is another early decision. A typical flex user needs a floor that handles pallet jacks, light forklifts and shop equipment, so we design a section with enough reinforcement and a joint layout that avoids bay edges. Office portions are built under the same roof through industrial tenant improvements, which can follow the shell by weeks and not months.
Where Firestone fits with nearby sites
Owners comparing the I-25 corridor often look at Frederick next door and at Erie to the southwest. We build in each, using the same estimate format, so site comparisons rest on land, utilities and access, not on how different builders price.
If your plan includes a light-manufacturing tenant, light manufacturing and flex industrial combines the building, the process utilities and the dock design under one scope. We also coordinate with owners in advanced manufacturing who want to prove a process in a flex building before moving to a larger plant.
Reviewing office, annexation and zoning history
Land around the interchange has been annexed and zoned in stages, and the zoning label matters. A parcel zoned for regional retail does not automatically allow warehouse use, and the reverse is also true. We ask the town for a zoning verification letter before any design effort and read the development agreement for height, buffer and use limits.
The building code edition and amendments are confirmed with the town's building department, because Colorado commercial codes are adopted locally and several editions are in use across the state. We do not assume an edition. We also confirm fire access, hydrant spacing and sprinkler design requirements with the fire district before the shell is priced.
From site release to tenant occupancy
A realistic flex schedule runs in overlapping phases. Site grading and utilities start first. Foundation and slab follow. The shell is erected while interior rough-in is staged. We hold tenant finish coordination meetings during the shell phase so electrical, data and HVAC reach the tenant's layout without rework. The meeting output is a one-page marked-up plan per bay, with panel locations, rooftop unit positions and dock door counts agreed in writing before the trades order material.
Where the owner plans to lease before completion, we phase the building so a finished bay can open while the rest is still under construction, with a separate construction entrance and temporary fire access. That approach brings in rent sooner and does not compromise safety for the first tenant.
Send the parcel and the tenant mix you expect
Send us the parcel, the zoning letter if you have one and the range of tenants you want to serve. We will return a site layout, a building concept with demising and utility capacity, and a phased schedule.
Common Questions
Can an industrial building sit next to retail and hotel uses?
Yes, with deliberate planning. We separate truck and customer entries, screen docks from the street and check noise and lighting rules in the development agreement. Many approvals depend on the quality of that separation.
How should I size a flex bay for a tenant I have not found yet?
We design around the widest range of likely users: moderate clear height, a dock position that can be added later, generous power and a floor that handles light forklifts. Bay widths are set so two or three can combine without moving structure.
What zoning check should I run before I buy a parcel near the interchange?
Ask the town for written confirmation of the zoning district, permitted uses, height limit and any buffer or design standards. Compare it against your building program, not against a general description. We prepare the comparison for you.
What does a hotel or retail neighbor mean for my noise and lighting limits?
It usually means stricter limits on dock-side lighting, truck idling hours and visible outdoor storage. The proposed hotel and annexed retail ground near the interchange show what the neighboring uses may be. We read the development agreement and town standards for those limits, then locate docks, light poles and trash enclosures so they comply without losing usable yard.
How long does a flex building take from site release to first occupancy?
It depends on size, site work and lead items such as steel and electrical gear. We schedule the long-lead items at contract signing and build the site in parallel. A phased opening can let a first tenant move in before the whole building is complete.