By All World Construction LLC · CSLB 1063936
Two concrete quotes can name the same opening and still describe very different work. One may close only the visible void. Another may include edge preparation, base responsibility, nearby joints, protection, adjoining finishes, and a written change process. Compare the physical result and the remaining risk before comparing totals. A low number is not useful when the proposal leaves the owner to decide important work after demolition starts.
Start with one shared description of the area
Give every contractor the same wide and close photographs, reason the concrete was opened or damaged, intended use, known trade status, nearby joints, drains, walls, penetrations, coatings, and access limits. Identify facts separately from assumptions. A visible crack, low area, rough edge, or prior patch does not establish its cause, the concealed assembly, or structural adequacy. If the proposals respond to different starting information, their prices and boundaries are not directly comparable.
Compare a tight closure with a wider boundary
Ask each bidder to mark the proposed removal and placement limit on the same photo or sketch. A tight closure limits disturbance but may retain irregular edges, prior work, or a visible transition within aged concrete. A wider boundary may reach a practical joint or cleaner limit, but it increases demolition, material, access, protection, and exposure to adjoining work. Neither option is automatically correct. The useful quote explains why its boundary fits the verified conditions and what would cause that line to change.
Tight closure or wider replacement?
Use the same starting information for both options. Ask for the reason behind the proposed limit.
Removal limit
- Tight closure
- Keeps removal near the existing opening and limits disturbance.
- Wider boundary
- Extends to a verified joint or other practical field limit.
- Ask the bidder
- Marked dimensions or photo, retained edges, added demolition, and expansion rule.
Visible transition
- Tight closure
- Creates a smaller patch within older concrete and may leave an irregular contrast.
- Wider boundary
- Moves the transition but affects more existing surface and finish.
- Ask the bidder
- Texture goal, joint treatment, color limits, coating responsibility, and acceptance step.
Connected work
- Tight closure
- May avoid some adjacent finishes but can leave several close interfaces.
- Wider boundary
- May simplify the concrete shape while increasing wall, landscape, access, or protection work.
- Ask the bidder
- Every included, protected, restored, separately assigned, and excluded surface.
Unknown conditions
- Tight closure
- Exposes less area but can depend more heavily on the retained edge and nearby assembly.
- Wider boundary
- Exposes more existing work and can uncover additional decisions.
- Ask the bidder
- Stop-work trigger, documentation, decision authority, schedule effect, and written change approval.
Read the scope in stages
Look for separate responsibility for removal, retained-edge preparation, exposed soil or base, forms, reinforcement decisions when applicable, concrete placement, joints, texture, curing protection, reopening direction, cleanup, and adjacent finishes. “Patch concrete” does not answer those questions. It also does not show whether plumbing, electrical, coating, flooring, stucco, paint, landscape, or another trade is included. Each quote should identify prerequisites and exclusions so concrete completion is not confused with completion of the whole property repair.
Compare the main cost and scope drivers
The important drivers are the approved removal boundary; access, haul, staging, and protection needs; the condition and preparation required below the concrete; forms, joints, edges, penetrations, and other interfaces; finish, coating, and adjoining-surface responsibility; and the cure-protection, reopening, documentation, cleanup, and closeout plan. These items can change labor, materials, equipment, sequence, and risk. A website cannot provide a dependable universal price because the combination is property-specific.
Require a usable change rule
Removal can expose a different thickness, weak retained edge, buried item, void, moisture, or adjoining damage. The proposal should name the stop point, documentation required, person who can approve a revised boundary, and work that may continue while a decision is pending. An open instruction to “make it right” gives neither the owner nor crew a controlled scope. Written direction should describe the observed condition, affected work, options, price or schedule effect, and newly approved limit before expansion.
Six items to compare line by line
- Removal boundary and the amount of retained concrete
- Crew access, haul route, staging, barriers, and surface protection
- Exposed soil or base condition and the approved preparation scope
- Forms, joints, edges, penetrations, drains, walls, and thresholds
- Texture, coating, and adjoining flooring, stucco, paint, or landscape work
- Cure protection, reopening direction, documentation, cleanup, and closeout
Photos for a useful first review
- Take one wide view showing the opening or damaged area in context.
- Add close views of edges, joints, cracks, penetrations, drains, and transitions.
- Show the access and haul route plus surfaces that must remain protected.
- Describe the reason for the opening, intended use, and current trade status.
- List known prior repairs, coatings, water observations, and adjoining finishes.
- Name the owner or manager authorized to approve a changed boundary.
- Exclude faces, addresses, access codes, plates, private records, and unrelated property details.
Take photos only from safely accessible areas. Describe the property location in your private request to AWC; leave access codes and unrelated private information out.
Before you approve a quote
Approve the option only after its marked boundary, preparation, connected trades, finish, protection, reopening direction, exclusions, and changed-condition rule are clear in writing.
When the opening, concealed condition, drainage, access, retained edge, related trade, or finish boundary needs field verification, AWC may recommend the $250 Site Evaluation + Written Bid Package. The $250 is credited back if the proposed work is approved within 30 days.
Discuss your concrete repair ↗