We’re On Appian Way.
We Can Be There Today.
Legacy Demolitions is headquartered at 4533 Appian Way · not in another county with a local phone number. Demolition, pool removal, concrete tear-out, land clearing and grading across El Sobrante, with the County permit package handled from our side.
This Isn’t A Service Area.
It’s Our Neighborhood.
Most contractors bidding El Sobrante work drive in from Concord or further. Our yard, trucks and excavators sit inside 94803. That changes four practical things.
- Site walks happen fast. Call about a garage on Manor Road in the morning and we’re usually looking at it the same day.
- Mobilization isn’t padded. Equipment transport is a real line on every bid. When the machine is already in town that number is small · and we show it instead of burying it.
- We know the counter. El Sobrante permits go through the County in Martinez. We file there constantly, so we know which drawings get bounced.
- We make the inspection. Final needs capped utilities exposed and the grade correct. Fifteen minutes away means we meet the inspector instead of rescheduling.
El SobranteEl Sobrante is unincorporated Contra Costa County. There is no City of El Sobrante and no city building department. Your demolition permit comes from the County Building Inspection Division, 30 Muir Road, Martinez · 925-655-2700 · epermits.cccounty.us. If a contractor says they’ll “pull it with the city,” they haven’t read your parcel.
Here, Access Sets The Price.
The valley floor along Appian Way and San Pablo Dam Road is straightforward. The lots above it are not. Climb toward Sobrante Ridge, off Castro Ranch Road, or up the streets running away from May Road and Valley View Road and equipment access becomes the largest swing factor in the number · bigger than square footage.
A narrow, steep driveway keeps the full-size excavator on the trailer and sends a compact machine in, roughly doubling days on site. A hairpin means the ten-wheeler can’t reach the pad. A downslope lot means debris travels uphill to the truck.
- Driveway width and grade · decides machine size, which decides the schedule.
- Turnaround and staging · where the truck sits, and whether it can leave loaded.
- Retaining walls and overhead lines · protection and hand work near anything that stays.
“What machine are you bringing, and where is it staging?” Anyone bidding an El Sobrante hillside lot without answering that has priced a flat lot. The gap shows up as a change order on day two. We answer it in writing before you sign.
Everything We Do In El Sobrante
A single written scope and one point of contact from permit to final grade.
Residential Demolition
Full and partial house demolition, additions and outbuildings · permits, utility releases, debris and final grade included.
Residential demolition → Defensible SpaceLand & Brush Clearing
Brush, overgrowth and fuel loads cleared on lots backing to open space · the most-requested job on this side of the ridge.
Land clearing → BackfillPool Removal
Partial and full pool demolition under both County abandonment tracks, including the engineered-fill route that keeps the ground buildable.
Pool removal → FlatworkConcrete Removal
Patios, walkways, stairs and slabs broken out and recycled as inert material.
Concrete removal → ADU PrepGarage Demolition
Detached garages, carports, sheds and workshops removed to make room for an ADU.
Garage demolition → EarthworkGrading & Dirt Removal
Pad cutting, leveling, drainage correction and export on sloped parcels where grade is the whole problem.
Grading & leveling →What We Most Often Do Here
Five jobs fill most of our El Sobrante calendar. They are not the same five as Richmond’s.
Defensible-Space Clearing
El Sobrante sits in the wildland-urban interface. Lots backing onto Sobrante Ridge or the open hills above San Pablo Dam Road rebuild fuel load every season. Light $1,200-$2,500/acre, moderate $2,500-$4,500, heavy $4,500-$8,000. Repeat work, not a one-time job.
Aging Detached Garages
Post-war lots came with single-car garages that no longer fit a modern vehicle, and they’re usually the first thing removed for an ADU. Two-car demolition runs $2,500-$6,500, depending on the slab.
Pool Abandonment
Contra Costa runs two tracks · engineered fill that keeps the parcel buildable, and uncertified fill that puts a restriction note on the parcel. The second is not allowed where ground slopes steeper than 10%, which rules it out on many El Sobrante hillside lots.
Driveway & Retaining Concrete
Long sloped driveways crack and heave. A 200-600 sq ft driveway runs $1,200-$4,500; concrete removal runs $3-$8 per sq ft with disposal, reinforced adding $1-$3.
Grading & Drainage Correction
Hillside runoff is chronic here. Typical residential grading runs $770-$3,000 or $40-$180 per hour; excavation runs $60-$200 per cubic yard.
From The Triangle
To The Ridge.
El Sobrante is three job sites wearing one name. In the valley · the commercial triangle where Appian Way meets San Pablo Dam Road, and the flat blocks off it · lots are regular and a full-size machine gets in without a fight.
The middle band is the older streets off Manor Road, La Paloma Road, Rincon Road and Valley View Road: small lots, houses mostly built between the late 1940s and early 1970s, detached garages, a lot of original concrete. That’s our highest-volume zone for garage teardowns, driveway removal and interior strip-outs.
Above that, the hills. Streets climbing off Castro Ranch Road and parcels near Sobrante Ridge are steep, narrow and often backed by open space · an access conversation first. We run the bordering unincorporated pockets daily too, plus Richmond, San Pablo and Pinole.
Most El Sobrante housing predates 1978, so asbestos and lead come up on nearly every job. Homes of four or fewer dwelling units don’t need a certified air-district survey · but HVAC ducting, acoustic ceiling material and acoustic plaster still have to be tested if disturbed. Anything entirely wood, glass, rubber or metal needs none. We test before we quote.
What An El Sobrante Permit Package Contains
You’re in unincorporated County. This is your checklist · not a city’s.
Demolition Permit
Site plan, Planning Division approval before building permit submittal, Sanitary District approval, BAAQMD approval, PG&E utility release (800-743-5000) and a PCB Screen Assessment Form. One final inspection · capped utilities must be visible for it.
The J Number
Required to demolish any load-supporting structural member, regardless of asbestos content, age or size. Notify 10 working days ahead, reducible to 72 hours for four-or-fewer-unit dwellings with a fee. Single-family fee $90; late notice adds $619.
Registered C&D Transporter
RecycleSmart administers C&D recycling for unincorporated Contra Costa. Debris must move via a Registered C&D Transporter to an Approved Processing Facility. Unregistered tonnage may not count, no matter where it went.
65% Diversion, Documented
A Waste Management Plan before the permit issues and a Waste Management Report with receipts after completion. Since August 4, 2025 both go through Green Halo. Excavated soil and land-clearing debris are excluded.
A Contra Costa grading permit is required for excavation deeper than 5 feet or over 200 cubic yards, or fill supporting a structure, deeper than 3 feet, or over 200 cubic yards. Grading of 1,000 cubic yards or more triggers neighbor notification, and the permit needs three plan sets stamped by a licensed California civil engineer or architect plus a geotechnical report. On sloped lots this trips more often than owners expect. We flag it at estimate time.
Also standing: USA North 811 notice at least 2 working days and no more than 14 calendar days before excavating · Cal/OSHA §1735 requires utilities shut off, capped or controlled at the building or curb line before demolition starts. Confirm current fees with the County and the air district.
El Sobrante Working Ranges
Honest ranges with the driver that moves them. Your written number is fixed after the site walk.
| Job | Typical Range | Biggest Local Driver |
|---|---|---|
| Single-story house (1,000-1,500 sq ft) | $12,000 to $22,000 | Driveway grade and machine size |
| Two-story house (2,000-2,800 sq ft) | $20,000 to $40,000 | Debris volume plus hillside staging |
| Detached garage (1-2 car) | $2,500 to $6,500 | Whether the slab goes with it |
| Pool removal · partial | $3,000 to $12,000 | Pool size; slope over 10% rules out Track II |
| Pool removal · full | $6,500 to $25,000 | Engineered fill and compaction testing |
| Driveway removal (200-600 sq ft) | $1,200 to $4,500 | Thickness, rebar, truck access |
| Land clearing (per acre) | $1,200 to $8,000 | Fuel density and slope |
| Residential grading | $770 to $3,000 | Export volume and drainage work |
| Asbestos abatement (if triggered) | $5 to $15 / sq ft | Material type and containment size |
| Permits & agency fees | $400 to $2,000+ | Grading permit, air district, geotech |
Equipment access. Two identical 1,200 sq ft houses · one on a flat valley street, one up a 14% driveway with a blind turn · don’t cost the same, and the gap can be 30-50%. Any bid that doesn’t name the machine and the staging spot is a guess. Ours names both.
What El Sobrante Owners Say
Our driveway is steep and two other companies wouldn’t bid it. Legacy came out the same afternoon, told us which machine they’d bring and where the truck would sit, and the price never moved.
We back onto open space and the brush had gotten away from us. They cleared it, hauled everything, and explained what to stay on top of each year. Now we book them every spring.
I didn’t know El Sobrante was county, not city, and I’d called the wrong office for two weeks. They handled the Martinez paperwork, pulled the garage and slab, and left the pad ready for our ADU crew.
El Sobrante Demolition Questions
Who issues a demolition permit in El Sobrante?
Contra Costa County. El Sobrante is unincorporated · there’s no city building department to walk into. Applications go through the County Building Inspection Division at 30 Muir Road, Martinez, 925-655-2700, or epermits.cccounty.us. It’s a different checklist from the City of Richmond’s. See the full permit guide →
Why does my hillside lot cost more to demolish?
Access decides machine size, and machine size decides schedule. A narrow or steep driveway forces a compact excavator instead of a full-size one, which can double days on site. Add protection for retaining walls, overhead lines and close neighbors and you can land 30-50% above the same house on a flat street. We price it up front instead of discovering it on day two.
How fast can you get to my property?
We’re at 4533 Appian Way, so for most El Sobrante addresses we can usually walk the site same day or next day. Estimates are free and on-site · photos help us prepare, but we don’t quote off photos alone. Request a free estimate → or call (510) 804-1333.
Do I need an asbestos survey on an older El Sobrante house?
Most housing here predates 1978, so it comes up constantly. The air district doesn’t require a certified survey for residential buildings of four or fewer dwelling units · but HVAC ducting, acoustic ceiling material and acoustic plaster still have to be tested if disturbed. Anything entirely wood, glass, rubber or metal needs none. Testing runs $300-$900; abatement runs $5-$15 per square foot.
Does my hauler need to be a registered C&D transporter?
In unincorporated Contra Costa, yes. RecycleSmart requires debris to move via a Registered C&D Transporter to an Approved C&D Processing Facility. Unregistered tonnage may not count toward the 65% diversion minimum · and the waste management report is what closes your permit. Our hauling and recycling →
Is brush clearing a yearly thing out here?
For most of our El Sobrante clients, yes. Properties bordering open space rebuild fuel load every season, so defensible-space clearing behaves like maintenance rather than a project. Light clearing runs $1,200-$2,500 per acre, moderate $2,500-$4,500, heavy $4,500-$8,000. See land clearing →
We’re Ten Minutes Away.
Send the address and a few photos. We’ll walk the lot, name the machine, name the staging spot, and put a fixed number on paper.
Legacy Demolitions LLC · 4533 Appian Way, El Sobrante, CA 94803 · CA License #1122603