Granite Construction – Highway 175 Facility — Lakeport Asphalt Plant
4220 Highway 175, Lakeport, CA 95453
- Caltrans approved
- Outside sales
- Hot mix (HMA)
- Checked Sep 29, 2026
Before you haul
What to settle with the plant before trucks leave the yard.
- Outside sales
- Sells to outside contractors
- Current hours
- Mon-Fri 7:00 AM-3:30 PM, call to confirmLoadout hours — confirm today’s
- Account
- Confirm with plantAsk what a first order needs
- Mix availability
- Call plantName the mix and tonnage
- Production schedule
- Call plantChanges day to day
- Minimum order
- Confirm with plant
- Payment methods
- Confirm with plant
- Saturday
- On request
- Truck access
- See site and truck accessAccess notes on file
Plant notes
Multi-material Granite Construction facility producing asphalt concrete, aggregates and recycled products. The site includes HMA and aggregate testing capability and serves public-works, roadway and commercial paving projects. Heavy truck and equipment traffic should be expected. Confirm material availability and loading instructions before arrival.
Production schedules, mix inventory and loadout conditions change day to day. Confirm the mix designation, tonnage and loadout time with the plant before you dispatch trucks.
Plant details
Plant
- Operator
- Granite Construction Co.
- Plant type
- Fixed · hot mix asphalt
- County
- Lake County
- Caltrans
- On the Caltrans approved-plant list
- Address
- 4220 Highway 175, Lakeport, CA 95453
- GPS coordinates
- 38.99586, -122.93629
- Website
- graniteconstruction.com
- Plant page
- The operator’s page for this plant
- Details checked
- September 29, 2026
Ordering and sales
- Plant phone
- (707) 467-4199
- Sales department
- On the plant line
- Outside sales
- Sells to outside contractors
Ask for your mix by name, the day’s loading hours, the minimum load, and what a first-time account needs.
Operations
- Plant hours
- Monday-Friday: 7:00 AM-3:30 PM Saturday: Closed Sunday: Closed
- Loadout hours
- Mon-Fri 7:00 AM-3:30 PM, call to confirm
- Seasonal schedule
- Asphalt production and loadout schedules may vary with weather, paving demand and project requirements. Call ahead to confirm current plant hours, mix availability and truck-loading schedule.
Mixes and products
- HMA · listed
- RHMA · not listed, ask
- Warm mix · not listed, ask
- RAP · listed
- DOT spec · listed
- Specialty · listed
- Aggregates · listed
Hot mix asphalt (HMA)
- Hot Mix Asphalt (HMA)
- Asphalt Concrete
Recycled asphalt (RAP) mixes
- Recycled Asphalt Mixes
- Reclaimed Asphalt Pavement (RAP)
Agency and DOT specification mixes
- Caltrans HMA Mixes
Specialty and custom mixes
- Custom Asphalt Mixes
Aggregates
- Construction Aggregates
- Aggregate Base
- Crushed Aggregate
- Recycled Aggregate Products
The operator’s own list, sorted into families by The Pavement Directory. Mix designs and production schedules change: confirm the exact mix designation and tonnage availability with the plant before dispatching trucks.
Price per ton
No price on file for Granite Construction – Highway 175 Facility yet. Plant prices move with the liquid asphalt index and the quantity, so call for today's price — and if you have bought here recently, you can add what you paid below.
Report a price you paid
Site and truck access
Google satellite imagery centred on the plant’s coordinates. Zoom out to see the roads in.
- Gate address
- 4220 Highway 175, Lakeport, CA 95453
- GPS
- 38.99586, -122.93629
- Scale
- Scale on site
Truck access notes
Active asphalt, aggregate and recycling facility with regular heavy-truck traffic. Follow posted plant traffic routes, PPE requirements and check-in procedures. Confirm product, tonnage and loadout schedule with the facility before dispatching trucks.
Nearby asphalt plants
3 other plants within a 1 hr 30 min drive of Granite Construction – Highway 175 Facility, by road with typical traffic.
Route to 1. Granite Construction Company — 40 min (35 mi) by road, typical traffic.
| Map number# | Plant | Drive | Road miles | Outside sales |
|---|---|---|---|---|
| 1 | Granite Construction CompanyGranite Construction Company · Ukiah, CA35 mi by road · Outside sales: UnconfirmedDirections from Granite Construction – Highway 175 Facility to Granite Construction Company | 40 min | 35 mi | Unconfirmed |
| 2 | Healdsburg AsphaltVulcan Materials Company · Healdsburg, CA47 mi by road · Outside sales: UnconfirmedDirections from Granite Construction – Highway 175 Facility to Healdsburg Asphalt | 59 min | 47 mi | Unconfirmed |
| 3 | Todd Road PlantVulcan Materials · Santa Rosa, CA64 mi by road · Outside sales: UnconfirmedDirections from Granite Construction – Highway 175 Facility to Todd Road Plant | 1 hr 14 min | 64 mi | Unconfirmed |
Drive time and miles by road from Google, with typical traffic for the route. Rush hour, a plant queue and a loaded truck all add time, so allow for them before you commit trucks.
Plant intelligence
About Granite Construction – Highway 175 Facility
Granite Construction’s Highway 175 Facility in Lakeport produces asphalt concrete, aggregates and recycled construction materials for paving and infrastructure projects throughout Lake County. The site also supports asphalt and aggregate quality-control testing, providing contractors with locally produced materials for roadway, commercial and public-works projects.
Areas served: Lakeport · Kelseyville · Clearlake · Upper Lake · Lucerne · Nice · Middletown · Lake County · Clear Lake Region · Northern California
More Granite Construction Co. plants
- Granite Construction CompanyUkiah, CA · 40 min (35 mi) by road
- Granite ConstructionSacramento, CA · 2 hr 23 min (136 mi) by road
- Granite ConstructionPleasanton, CA · 2 hr 37 min (148 mi) by road
- Granite Construction Company-Santa Clara Asphalt FacilitySanta Clara, CA · 2 hr 48 min (158 mi) by road
- French Camp FacilityFrench Camp, CA · 2 hr 57 min (178 mi) by road
- Felton Quarry & AC FacilityFelton, CA · 3 hr 32 min (195 mi) by road
Plan the haul
- Asphalt tonnage calculatorTons to order before you call.
- Trucking calculatorCycle times and trucks for this haul.
- Asphalt plants near LakeportEvery plant within a haul of your site.
- Buying direct from a plantSmall loads, millings and price per ton.
Who lays the mix
Need the work done rather than the mix? Compare paving and pavement maintenance contractors serving the area.
Granite Construction – Highway 175 Facility: common questions
Does Granite Construction – Highway 175 Facility sell asphalt to outside contractors?
Yes. Granite Construction – Highway 175 Facility sells hot mix to outside contractors. Call (707) 467-4199 to confirm account, pickup and delivery terms before your first order.
How do I order asphalt from Granite Construction – Highway 175 Facility?
Call the sales department at (707) 467-4199. Have the mix, tonnage and pickup date ready, and ask what a first-time account needs.
What are Granite Construction – Highway 175 Facility's hours?
Monday-Friday: 7:00 AM-3:30 PM Saturday: Closed Sunday: Closed. Loadout: Mon-Fri 7:00 AM-3:30 PM, call to confirm. Asphalt production and loadout schedules may vary with weather, paving demand and project requirements. Call ahead to confirm current plant hours, mix availability and truck-loading schedule.
What asphalt mixes does Granite Construction – Highway 175 Facility make?
Granite Construction – Highway 175 Facility lists Hot Mix Asphalt (HMA), Asphalt Concrete, Caltrans HMA Mixes, Custom Asphalt Mixes, Recycled Asphalt Mixes, Reclaimed Asphalt Pavement (RAP), Construction Aggregates, Aggregate Base, Crushed Aggregate and Recycled Aggregate Products. What runs on a given day depends on the plant's schedule, so confirm your mix when you order.
What areas does Granite Construction – Highway 175 Facility serve?
Granite Construction – Highway 175 Facility serves Lakeport, Kelseyville, Clearlake, Upper Lake, Lucerne, Nice, Middletown, Lake County, Clear Lake Region and Northern California. Haul time still decides whether it can supply a given job, so measure from the site before you order.
Is Granite Construction – Highway 175 Facility Caltrans-approved?
It was on the Caltrans approved-plant list when this record was last checked, on September 29, 2026. Approvals lapse and renew, and a public job still needs its own mix design approved, so confirm both before you bid.
Where is Granite Construction – Highway 175 Facility?
4220 Highway 175, Lakeport, CA 95453, in Lake County.
What other asphalt plants are near Lakeport?
The closest by road in this directory are Granite Construction Company in Ukiah (40 min (35 mi) by road), Healdsburg Asphalt in Healdsburg (59 min (47 mi) by road) and Todd Road Plant in Santa Rosa (1 hr 14 min (64 mi) by road), driving from Granite Construction – Highway 175 Facility with typical traffic. Call ahead before you switch plants — the nearest one only helps if it will load your trucks.
Verified sources and corrections
Details checked September 29, 2026
Someone at The Pavement Directory checked this plant’s phone, hours and outside-sales policy against the operator on that date. It is not an endorsement of the plant or its mix.
Sources on this record
- Operator’s page for this plant — graniteconstruction.com
- Operator website — graniteconstruction.com
- Caltrans approved-plant list — Plant listed
Record last updated September 29, 2026.
Plant profile
58% complete
11 of 19 buyer details on file.
Missing
- Site photo
- Account requirements
- Minimum order
- Payment methods
- Max RAP percentage
- Small loads
- Takes old asphalt
- Millings for sale
Run this plant, or found a detail that has changed? Tell us and we will check it against the operator. Include this page’s address in your message.
Confirm before you haul: Hours, mix availability, sales policy and DOT approvals change, sometimes week to week. Call the plant before you schedule trucks. The Pavement Directory is an independent directory and is not affiliated with Granite Construction Co..