Hi,
The RS Means link is:
http://rsmeans.reedconstructiondata.com/ You can get the cost estimating reference books from Home Depot and Lowe's.
The relevent ones to residential and light commercial real estate are:
1. How your house works.
2. Green Home Improvement.
3. Interior Home Improvement Cost's. *
4. Exterior Home Improvement Cost's. *
5. The Homeowners Guide to Mold.
6. Universal Design Idea's for Style, Comfort & Safety.
7.The Gypsum Construction Handbook.
8. How to Estimate with Means Data & CostWorks.
9. Understanding & Negotiating Construction Contracts
10. Builder's Essentials: Estimating Building Costs for the Residential & Light Commercial Contractor. *
11. Landscape Estimating Methods. *
12. How Your House Works.
13. Residential & Light Commercial Construction Standards.
14. Green Home Improvement.
15. Construction Business Management.
16. Plumbing Estimating Methods.
17. Repair and Remodeling Estimating Methods.
18. The Building Professional's Guide to Contract Documents.
19. Builder's Essentials: Plan Reading & Material Takeoff.
20. Builder's Essentials: Best Business Practices for Builders & Remodelers.
21. Complete Book of Framing.
22. Builder's Essentials: Advanced Framing Methods.
23. Historic Preservation: Project Planning & Estimating.
24. Planning & Managing Interior Projects.
25. Electrical Estimating Methods.
26. Project Scheduling and Management for Construction.
27. Job Order Contracting: Expediting Construction Project Delivery.
28. Mechanical Estimating Methods.
29. Value Engineering: Practical Applications.
30. Concrete Repair and Maintenance Illustrated.
31. The Building Professional's Guide to Contract Documents.
These are all relative books to construction and remodeling for residential and light commercial applications. These books can be ordered from RS Means from the link above or at least 3 of these books to do with cost estimating are available through Home Depot or Lowe's or potentially your local lumber yard or home improvement store.
Good luck,
GR