California has introduced multiple ADU amnesty pathways to help homeowners legalize existing units that were built without permits. If you already have an ADU with plumbing, electrical, and structural systems in place, you may not need to demolish or rebuild it. ADU amnesty typically allows: As-built documentation instead of full redesign Targeted corrections only where safety is impacted Inspections of existing systems Engineering verification instead of reconstruction What

As-built plans are one of the most requested documents by Building & Safety departments, especially when dealing with existing or unpermitted construction. An as-built plan documents what is actually built on site, not what was originally designed. When as-built plans are required: Legalizing unpermitted work Selling or refinancing a property Permit corrections or plan check comments ADU amnesty programs Tenant improvements in commercial buildings What as-built plans typicall

Unpermitted construction is more common than most people realize. Home additions, garage conversions, ADUs, tenant improvements, and even structural modifications are often built without proper permits, sometimes by previous owners or contractors who took shortcuts. If you are dealing with unpermitted construction, the good news is that it can often be legalized with the right team and approach. At Monterra Consultants, we specialize in legalizing existing construction, prepa