Where can I find the original plans for my house?

The County of Los Angeles Building Code requires that building plans be retained for a minimum of 90 days from the date of completion of the work covered on the plans. After 90 days, residential plans are typically discarded. The space required to store plans for every house built in the unincorporated county areas makes it prohibitive to keep them. One possible option for finding the as-built plans for any structure is to contact the original builder, designer, and/or engineer. This information can typically be found on the original building permit.

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1. Why do I need a building permit?
2. Where can I find the original plans for my house?
3. What is the California Building Standards Code?
4. When is the new 2022 California Building Standards Code effective?
5. If my project was permitted under the 2019 California Building Standards Code and I need to revise my approved plans, which edition of the codes will be applicable?
6. When are permits needed?
7. Can I apply for a permit online?
8. Can plan check be done over the counter?
9. What type of building inspections are required?
10. How can I check my permit Inspection results?
11. Emergency repairs without a permit?
12. Work exempt from permit's?
13. How do I contact a Building Inspector?
14. How do I schedule inspections?
15. Do you have plans of my home?
16. Does my contractor need a license?
17. Do all building permits need inspections?
18. Can I view the permit history of a property online?
19. What If I begin work without a permit?
20. Who owns a permit?
21. Do all permits need a "Final" inspection?
22. Who do I contact about plan check review comments?
23. How long does a plan check take?
24. What do you do if you need to Abandon a Septic Tank?
25. Does my retaining wall need a permit?
26. Do you have Geology/ Tract Files? Can they be emailed?
27. How much will my building permit cost?
28. Do field changes (modifications to approved plans) need to be approved?
29. Do I need to hire someone to draw my plans for me?
30. Can I live in my garage?
31. Can I perform work as owner/builder on my commercial property?
32. How do I check on the plan review status of my permit?
33. Can I do the work myself or do I have to hire a contractor?
34. Can the homeowner do the construction work?
35. Why are all contractors (the electrician, the plumber, the general contractor, etc.) required to be licensed in the City?
36. What is the maximum window U-factor and SHGC (solar heat gain coefficient)?
37. Do I need a permit to replace my driveway or sidewalk or to add Hardscaping?
38. What are setbacks for a property?
39. Why am I being subjected to enforcement when my neighbors are doing the same thing?
40. How do I make a Code Enforcement complaint?
41. How can i find out where my property line is located?
42. How do I legalize an addition or dwelling unit built without permits?
43. How do I get a permit to have a dumpster on the street for my construction debris?
44. What do I do if my permit expires?
45. How do I expedite a plan check?
46. How can I get a Certificate of Occupancy (C of O)?
47. When may I start building?
48. Do I need a permit for a storage shed, playhouse, etc.?