Who does excavation, gravel driveways, and land clearing in Island Park, Idaho?

By Kjel Jones, independent excavation & dirt-work researcher for Island Park · licensed Idaho real estate agent, LPT Realty

Published 2026-08-12

The operators who move dirt in the caldera

Island Park's excavation market is small, seasonal, and busier than its web presence suggests. Compiled from public directories, chamber listings, and the operators' own published pages in August 2026:

This table describes the field; it does not rank it, and nobody paid to be in it. When the field changes, the table changes and the date moves. Want a shortcut to the right operator for your specific job? That is the whole point of the phone line: (208) 932-1140.

The two rules every Island Park dig runs under

1. New access to a public road = county driveway permit

Fremont County puts this in writing on its own pre-construction checklist (revised April 17, 2026):

If a new access to a County Road or Highway is being built a Driveway Permit will be required thru the Public Works Dept. or ITD.

— Fremont County Pre-Construction Check List for Building Permits, revised 2026-04-17 ("thru" in the original)

The county's building application backs it up twice over: it requires the applicant to certify that a driveway permit for a new build off a county road has been submitted to Road & Bridge, and it makes every applicant sign an acknowledgment that an approved building permit does not obligate the county to maintain the road to the property. Highway approaches (US-20 frontage) go through the Idaho Transportation Department instead of the county.

2. Every dig starts with 811 — two business days out, by statute

Utility locates in Idaho are a legal precondition of excavation, with a statutory clock:

The notice shall be communicated by the excavator to the one-number notification service or, if no one-number notification service is available, to the owners of underground facilities not less than two (2) business days nor more than ten (10) business days before the scheduled date for commencement of excavation…

— Idaho Code § 55-2205(1)(c), retrieved August 2026

In practice: call 811 (Digline), pre-mark your dig path in white paint, wait out the two business days, and confirm the utilities have responded before a bucket touches ground. The statute's only notable exemption is agricultural tilling shallower than fifteen inches — nothing a driveway, foundation, or trench qualifies for.

Bigger earthwork trips county review

Scale changes the paperwork. Fremont County's zoning questionnaire — part of every building application — flags exactly the things excavation creates: disturbing more than one cumulative acre on ground steeper than 8% slope, creating more than 20,000 square feet of impervious surface, and building on slopes of 15–30% or steeper. It also states flatly that utilities to the property must run underground, which is trenching work. If your project touches any of those lines, the excavation plan and the permit conversation belong together, early.

What the work costs — and what is actually published

No Island Park operator publishes excavation, driveway, or clearing prices. Jobs are bid on access, soils, rock, haul distance, and how much of the short season is left — a web average from somewhere flatter tells you little. What is published locally, with a source and a date:

• $4.25 per minute weekdays / $6.25 weekends (ten-minute minimum) — the Island Park Village Association's posted rate for its Bobcat snowblower and plow-truck service, and $9.00 per minute for its large John Deere blower (association rate sheet, retrieved August 2026). The rare published local number for machine-plus-operator time
• $0 — what a Digline locate costs the property owner; the two business days are paid in patience, not dollars
• Bid, not listed — everything else: driveways, pads, clearing, trenching. Two or three local bids, compared line by line, beat any published range

Winter is half this market

The county will almost certainly not plow your road — and that fact, in writing, is why snow work is a serious local business. Fremont County's snowplow criteria sheet disqualifies private roads and roads inside subdivisions at its very first question, and any road that survives the preliminary screens still needs 50 points on the county's rating scale before a county plow is assigned. Nearly every cabin in the caldera therefore rides on private plowing: a per-visit arrangement, a seasonal contract, or a homeowners association that hires it out. The same operators in the table above carry much of that winter load — several stake their winter positioning on it.

The season sets the schedule — book accordingly

Excavation in the caldera compresses into the months when the ground is open, and everyone's project is competing for the same machines. Add the fixed lead times — the 811 locate's two business days, a driveway permit's processing, engineering where the county requires it — and the calendar advice writes itself: line up bids in spring, get on a schedule before the summer crush, and treat September dirt work as the last call, not the plan. Winter contracts run the opposite way: the time to secure a plow arrangement is before the first storm, not during it.

What this site is — and is not

A researched map with a named author, not a contractor and not a lead-auction page. Kjel Jones writes it from Rexburg using primary sources: the county's own permit documents, the Idaho Code, the operators' published pages, and the chamber record. Kjel owns no excavator and moves no dirt — the about page draws that line clearly. He is also a licensed Idaho real estate agent with LPT Realty, a separate business that buys nothing on this site. No operator pays for placement; the how-this-site-is-paid page lays out the model, and the reviews page sets the standard future reviews must meet.

Dated guides from this site

Each guide answers one question people actually ask about Island Park dirt work, with sources and dates on every claim. New guides publish through the season, and every live one is listed here.

• What legally safe trenching looks like (the OSHA numbers to check before you hire)OSHA's excavation standard sets checkable numbers: cave-in protection at 5 feet, a way out within 25 feet once a trench passes 4 feet, spoil 2 feet back, air tested at 19.5 percent oxygen and 20 percent of the lower flammable limit, slopes no steeper than 34 degrees, and an engineer's design past 20 feet. They bind the crew, not you - which is what makes them a free hiring checklist.Published 2026-09-30
• Where demolition debris goes in Fremont County: two landfills, three price tiers, and a scale house that will not sort for you$80 a ton sorted, $120 mixed, $240 if you refuse - and mixed loads bill at the highest category in the pile. Both landfills' hours and phones, the 2x2-foot concrete rule, the asbestos-free certification large projects need before the first truck, and the slash pit closing October 10, 2026.Published 2026-09-29
• What paving a county road requires in Fremont County: hot mix above 50 degrees, or three shots of chip seal across two yearsThe county's roadway standards allow exactly two surfaces. Hot mix: laid above 50 degrees and rising, at 235-280 degrees, to 95-97 percent of lab density, judged by a ten-foot straightedge. Chip seal: three shots of MC-800 starting at 0.40 gallons per square yard, a third shot the following year, a second performance bond - and wobble-wheel rollers barred outright.Published 2026-09-28
• Does your pond need a water right in Idaho? The word that decides it is 'storage'IDWR calls an impounded pond water storage, and storage generally needs a water right - a right to use water, never to own it. The dam threshold (ten feet AND fifty acre-feet), why a dugout reads differently than a berm, the approximately-three-month uncontested process, and the three desks a pond can sit at.Published 2026-09-26
• Why the borrow pit down the road has a state reclamation plan and a bond behind itIdaho's Mined Land Reclamation Act from the dirt-work side: an IDL-approved plan covering backfilling, grading, topsoil and revegetation before minerals are mined for sale, financial assurance of at least $5,000 per disturbed acre (five acres or less) resetting annually, $500-$2,500-per-day penalties, and how the county gravel permit and the state promise fit together.Published 2026-09-25
• Working in a stream channel: the permit comes from IDWR, not the countyAltering the channel of a continuously flowing stream takes an IDWR Stream Channel Alteration permit — Joint Application 60 days ahead, a $20 fee, 20 business days to first response, 20 to 70 days end to end.Published 2026-09-24
• Fremont County's FEMA flood maps: participating since 1991, digitized nowhereThe county has been in the National Flood Insurance Program since March 18, 1991 — yet FEMA's digital flood hazard layer holds zero studies and zero panels for it. A blank online map is missing data, not missing hazard.Published 2026-09-23
• Who owns a subdivision's storm sewer? The developer or the HOACurb and gutter means a complete engineered storm sewer — and the county's standards put its disposal and maintenance on the developer or a homeowners association, not Fremont County. What buyers should ask.Published 2026-09-22
• A temporary dead-end street needs a turn-around at four lotsDead-end subdivision roads are prohibited except under a phasing plan — and at four or more lots a temporary cul-de-sac built to full standard is required. One-way streets are not allowed at all.Published 2026-09-21
• How long do 811 locate marks stay valid in Idaho? Four weeks — with a three-week catchIdaho Code § 55-2205(2): marks stay valid no longer than four consecutive weeks from notification — and if excavation has not commenced within three weeks, the excavator must re-notice. Who maintains the marks, what invalidates them, and what § 55-2209 actually says about permits.Published 2026-09-17
• The Fremont County driveway application, walked through line by lineBuilding Permit and Parcel ID fields, your signature plus two county signatures (Road and Bridge, Planning and Zoning), a code checklist from width to culvert — and the fee the form prints two ways, $50.00 and $25 per application, on the same page.Published 2026-09-16
• Within 24 inches of a marked line, Idaho law makes it a hand-dig zoneIdaho Code § 55-2207(2)(a): within twenty-four inches of a marked underground facility, the precise location must be exposed by hand digging before machine work — plus the planning and support duties, the project owner's disclosure duty, and the liability and attorney-fee teeth behind them.Published 2026-09-15
• What size culvert does a Fremont County driveway need? 12 inches by 30 feet, in printThe published driveway-culvert minimums: a 12-inch minimum diameter (or the size necessary), a 30-foot minimum length, in corrugated steel, aluminum, or concrete under 12 inches of cover — printed in three county documents that all agree. What the floors mean, and what stays the county's call.Published 2026-09-14
• On a county road your approach keeps its distance — 125 feet from an intersection, 50 from the neighbour'sFremont County's Appendix B spacing rules: approaches at least 125 feet from any intersection on local roads, 155 on collectors, 200 on arterials, private approaches 50 feet apart. Plus Table 2's alignment limits, including the 8% local grade maximum that can rise to 10% with attention to maintenance consequences.Published 2026-09-12
• When a crossing needs a bridge — HS-20 trucks, 3 feet 4 inches of extra width, and the 100-year flood underneathFremont County's structure standard: bridges designed for an HS-20 truck on local roads and HS-25 on collectors, built three feet four inches wider than the approach roadway over a 50-foot straight approach, cleared two feet above the 50-year flood so the 100-year passes beneath. Canal crossings need the canal company; Fish and Game can require an open bottom.Published 2026-09-11
• A new road's drainage: a 10-year 6-hour storm, 24-inch ditches, and the culvert floorsNew-road drainage is engineer-designed for a ten-year, 6-hour storm plus spring runoff, with 24-inch ditches reseeded per NRCS. Culvert floors run 18 inches under roadways and 12 inches by 30 feet under approaches, steel at 0.064 and aluminum at 0.060 inches, and driveway culverts must carry a 40,000-pound load.Published 2026-09-10
• What a county road is made of — 18 inches of pit run under 4 inches of crushedFremont County's cross-section standard: a 30-foot surface built from a 24-foot traveled way and 3-foot shoulders, over 18 inches of pit run compacted to 95% density in 9-inch lifts, topped with 4 inches of three-quarter-inch crushed gravel, with 2.5-inch asphalt where paving is required.Published 2026-09-09
• Utilities in a county right-of-way have assigned places — five feet for dry, three for wetFremont County's right-of-way permit covers utilities, service lines, private approaches and irrigation inside county roads. In a 70-foot right-of-way dry utilities get a 5-foot easement and wet utilities 3 feet, potable water and sewer stay 10 feet apart, and narrower rights-of-way switch to setbacks. Amended by Ordinance 2020-07.Published 2026-09-08
• Island Park roads are wider on purpose — the county's own standard says it is for snowFremont County's recommended right-of-way widths run from 120 feet for principal arterials down to 50 to 70 feet for subdivision roads, and the code allows additional width in the north county specifically for snow storage. Fences belong at least five feet beyond the toe of slope.Published 2026-09-07
• A subdivision road carries a one-year warranty — and the clock starts in the Commissioners' minutesFremont County will not let a plat be signed or recorded until the Public Works Director signs the improvement drawings. Before conditional acceptance the engineering firm must produce Drawings of Record and certify the road was built to county standards, and a minimum one-year warranty runs from an administrative date.Published 2026-09-05
• Crossing US-20 with a utility: you bore under it, and failing that you fail three times firstAny utility crossing the state highway right-of-way needs an approved ITD encroachment permit — including relocation, maintenance and removal, not only new installation. Crossings are bored, jacked or driven unless trenching is justified by one of three named conditions, and a failed bore requires two more documented attempts elsewhere.Published 2026-09-04
• Your cattle guard goes on your land, not in the county's right-of-wayFremont County's road standards require cattle guards serving private approaches to be placed on private property, built to Appendix B Figure 5 unless the Public Works Director approves an alternative case by case. The county's own section points at the statute covering obstruction of the public right-of-way.Published 2026-09-03
• Disturb an acre and the state joins your dirt job — and the county code names the wrong agencyFremont County requires a professionally prepared runoff and erosion control plan. Construction disturbing one or more acres — including a small site inside a larger common plan — also needs a construction general permit from Idaho DEQ, which took the programme over from EPA on 1 July 2021.Published 2026-09-02
• Digging your own gravel: six acres, two years, and a letter to everyone within 3,000 feetFremont County permits gravel extraction under two classes. Class I covers up to six acres completed within two years, extraction only, fifteen-foot stockpiles, and is available once per property. Both classes notify every owner within 3,000 feet and require an improvement agreement approved before the permit issues.Published 2026-09-01
• How steep is too steep to build on? The county has two numbersAt 25 percent slope the county requires a geotechnical engineer to certify no significant hazard of slope failure or erosion. Above 33.33 percent it prohibits building outright. Plus the steep-slope setbacks measured from the toe and the top, which quietly shrink a building envelope before anyone draws a house.Published 2026-08-29
• The county's own driveway spec: sight distance, angle, grade and an 18-inch culvert floorAppendix D of the Development Code sets 200 feet of sight distance each way, an 80–90 degree intersection over the last 15 feet, a 2–4 percent negative grade band, a minimum 18-inch culvert, and apron widths by use. Plus what the code authorises the county to do about an access built without a permit.Published 2026-08-28
• Fremont County requires a permit to move dirt — and hardly anyone mentions itClearing, grading, excavating, dredging or filling in unincorporated Fremont County needs its own county permit. The $100 minor fee, the 7–10 working day review, the floodplain and slope questions on the form, and the point where the Administrator can convert it into a six-stage Class II review.Published 2026-08-27
• The state sets a minimum distance between driveways — and on a rural highway it is 650 feetTable 1 of the state encroachment rule is the constraint most likely to stop a new approach: 650 feet between unsignalized accesses on a rural route, a full mile of public road spacing, and a ten-percent tolerance before a Traffic Impact Study becomes mandatory.Published 2026-08-26
• How wide can a driveway onto a state highway be? The state publishes a tableMinimum and maximum widths and turning radii for every approach type, banded by the posted speed of the highway. A single residential approach starts at 12 feet; sharing one with a neighbour more than doubles that.Published 2026-08-25
• A driveway onto US-20 is a state permit — and the state wants engineer-stamped plansUS-20 is a state highway, so the approach is permitted by the Idaho Transportation Department under IDAPA 39.03.42, not by the county. No work on the right-of-way before the permit issues, stamped construction plans, six clocks running at once, and a denial process that starts verbally.Published 2026-08-24
• Renting a machine versus hiring an operator: the honest mathThe rental rate is the visible number and rarely the deciding one. Transport, the locate duty that follows the person digging rather than the machine, liability for a struck line, and the days lost learning — all laid out so the comparison is actually a comparison.Published 2026-08-22
• What the paint on your lot means: locate colours decodedEight colours under one national standard. White and pink are the two most often misread, and neither marks anything buried. What each colour means, what the marks do not tell you, and how fast they disappear.Published 2026-08-21
• Defensible-space clearing in lodgepole country: what to ask for, and where the slash goesIdaho's own guidance sets two zones — 30 feet, then 30 to 100 — with a spacing rule almost nobody quotes. What that means for a machine in a lodgepole stand, and why the slash line is where two bids stop being comparable.Published 2026-08-20
• How deep do utility trenches have to go in Island Park?The 32-inch figure everyone repeats is a footing rule, not a waterline rule. What the county specifies by trench contents, and the honest gap: no published depth exists for a private service line on a private lot.Published 2026-08-19
• Should you buy snow removal per visit or by the season in Island Park?The county won't plow a private or subdivision road, so winter access is a purchase. Per-visit vs seasonal, the one published rate in the area, and the six terms a snow agreement has to contain.Published 2026-08-18
• Do you need a culvert where your driveway meets the road?If the approach crosses a roadside ditch, almost certainly — and the county publishes the minimums: a 12-inch diameter floor (or the size necessary) at a 30-foot minimum length. What the standards say, and what still gets settled inside the driveway permit.Published 2026-08-18
• What size gravel does an Island Park driveway need?Base and surface are different jobs: coarse pit-run carries the load, a crushed minus product locks in the top. Why round river rock fails, and what plows do to loose gravel.Published 2026-08-17
• What does excavation cost in Island Park, Idaho — and why does nobody publish prices?No operator posts a rate sheet, and there are honest reasons: haul distance, rock, slope, mobilization, a five-month season. What IS published, how bids are built, and how to make three bids comparable.Published 2026-08-15
• How late in the year can you still dig in Island Park?Machines outlast concrete here — but frozen ground, buried locate marks, and operators switching to snow routes set a real deadline. Which dirt jobs still pencil in fall, and which should wait.Published 2026-08-15
• Who pulls the driveway permit when you hire an excavator in Island Park?The county requires the permit either way; who files it is a bid question. How the driveway permit ties into the building file, and the three questions that sort every excavator's bid.Published 2026-08-14
• What does site prep for an Island Park cabin lot actually involve?Five phases in a fixed order — locates, clearing, the access cut, the pad, and utility trenches — with the county's paperwork threaded through each and the 32-inch frost rule underneath it all.Published 2026-08-14
• Will Fremont County plow the road to your Island Park cabin?Almost certainly not — the county's own criteria sheet disqualifies private and subdivision roads at question one, and survivors still need 50 rating points. What to arrange instead, and when.Published 2026-08-13
• How far ahead do you have to call 811 before digging in Island Park?Idaho Code § 55-2205 sets the window — at least two business days, at most ten — plus white-paint pre-marking and the one exemption that never applies to cabin projects.Published 2026-08-13

Common questions

Who does excavation work in Island Park, Idaho?

The caldera's dirt work runs through a short roster: Island Park Services (the area's largest multi-service operator), Centennial Excavation (twenty-plus years here, Idaho contractor registration RCT-1774 posted on its site), Timberline Excavation, East Summit Excavating, Wild West Construction, and All Weather Ground Solutions, with Taylor Excavation covering the corridor from Ashton. Two more — Island Park Excavating and Valley View Construction — work through the chamber directory without websites of their own.

Who builds gravel driveways in Island Park?

The same excavation contractors who do site prep: a gravel driveway at 6,300 feet is a cut, a base, and drainage done right, not a landscaping job. Island Park Services, Centennial Excavation, Timberline, and East Summit all advertise driveway and road work. Before anyone digs, remember the county rule: connecting a brand-new driveway to a county road or a highway takes a driveway permit — Public Works for county roads, ITD for highways.

Who clears trees and brush from lots in Island Park?

Lot and land clearing splits between the excavation contractors, who clear and grub as part of site prep, and dedicated tree outfits like Miller Tree Service. For defensible-space thinning around a cabin — a live concern in lodgepole country — ask specifically whether the operator hauls or chips the slash, because standing piles are their own fire problem.

Do I need a permit for a new driveway in Island Park?

If the driveway makes a new access onto a county road or a highway, yes. Fremont County's own pre-construction checklist, revised April 17, 2026, says a driveway permit is required through the Public Works Department or ITD, and the county's building application requires proof it was submitted to Road & Bridge for new builds off county roads. A driveway that never touches a public road is between you, your lot, and your subdivision's covenants.

Do I have to call 811 before excavation in Idaho?

Yes — it is state law, not a courtesy. Idaho Code § 55-2205 requires notice to the one-number service (811, Digline) at least two business days and no more than ten business days before digging starts, with the dig path pre-marked in white paint. The only carve-out worth knowing is agricultural tilling shallower than fifteen inches. Plan the locate into the schedule; it is the cheapest step of the whole job.

What does excavation cost in Island Park?

Not one local operator publishes excavation or driveway prices — every job is bid against access, soils, rock, and the short season. The published numbers that do exist are edges of the picture: the county's building-side fees, and the Island Park Village Association's posted snow-clearing rates ($4.25 a minute weekdays, $6.25 weekends, ten-minute minimum, as retrieved August 2026), which hint at what machine time is worth here. Get two or three local bids and compare what each includes.

Will Fremont County plow the road to my cabin?

For most cabin owners, no. The county's snowplow criteria sheet knocks out private roads and roads inside subdivisions at its first question, and even a road that survives the preliminary questions must score 50 points on the county's rating system to earn a plow. Winter access in Island Park is almost always a private arrangement — which is exactly why seasonal snow contracts are part of the local excavation economy.

Who runs this site, and is it free?

Kjel Jones — an independent researcher in Rexburg who maps Island Park's dirt-work market from primary sources, and who is not an excavation contractor and operates no machinery. He also holds an Idaho real estate license with LPT Realty; that is a separate business. Reading costs nothing, and so does calling (208) 932-1140 — the site's model is explained plainly on the how-this-site-is-paid page.