CostimexResidential Construction Estimating Services
Detailed, zip-code accurate estimates for single-family, multi-family, ADUs and renovations.
Overview
Costimex provides residential contractors and custom home builders with line-item accurate estimates that win bids and protect margins. From foundations to finishes, every scope is handled by a trade specialist.
What's included
- Single-family and custom home estimating
- Multi-family residential (apartments, townhomes)
- Renovations, additions and remodels
- ADU (Accessory Dwelling Unit) estimating
- Basement build-outs and garage conversions
- Insurance restoration estimates
Deliverables
- Itemized Excel cost breakdown by CSI division
- Color-marked PDF drawings showing scope
- Labor, material and equipment cost separation
- Zip-code based regional pricing
- Quantity takeoff backup sheets
- Free revisions within 30 days
Project timeline
From upload to bid-ready in 24–48 hours
A transparent, milestone-driven workflow so you always know where your estimate stands.
- Step 01
Upload & Scope
0–2 hrs
You upload drawings, specs and scope notes via our secure portal. We review, confirm scope and lock the delivery window.
Project kickoff confirmed
- Step 02
Quantity Takeoff
8–24 hrs
Our estimators perform digital takeoffs from blueprints — measured to scale, organised by CSI division and trade.
Line-item takeoff complete
- Step 03
QA & Pricing
4–8 hrs
Zip-code labour and material pricing applied, then peer-reviewed by a senior estimator against project specs and scope.
Senior estimator sign-off
- Step 04
Delivery
24–48 hrs total
You receive a clean Excel/PDF estimate plus marked-up drawings. One round of revisions included.
Bid-ready package sent
Frequently asked questions
How accurate are your residential estimates?+
Our residential estimates target 98%+ accuracy, calibrated against current zip-code-level material and labor pricing from RSMeans, supplier quotes and our own historical database.
What's the typical turnaround?+
Single-family homes typically deliver in 24–48 hours. Larger multi-family and luxury custom homes may take 3–5 business days depending on scope and drawing complexity.
Do you cover remodels and ADUs?+
Yes — renovations, additions, basement build-outs, garage conversions and ADUs are core specialties.
What file formats do you accept?+
PDF drawings, DWG/DXF CAD files, and Bluebeam Studio sessions. Scanned hand drawings are also accepted.
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Open calculatorGet your estimate in 24 hours.
Upload your drawings today. Certified estimators deliver Excel cost breakdowns and marked PDFs back to you within 24–48 hours — guaranteed.
- 98% accuracy
- 24–48h delivery
- No upfront payment