Remodeling & ADU Contractor in Rancho Palos Verdes

Rancho Palos Verdes sits on a hilly peninsula with ocean views, unstable ground in places and some of the most detailed residential review rules in the South Bay. A remodel here can be simple, but an addition or ADU usually means working through geology, view and neighborhood compatibility questions before the building plans are drawn. IA Builders works with Rancho Palos Verdes homeowners on remodels, additions and ADUs with those city rules in mind.

Permits in Rancho Palos Verdes

Rancho Palos Verdes is its own city, incorporated in 1973, so permits don't go through LADBS or the County. Permits run through the city's Community Development Department, which includes Planning, Building and Safety, Code Enforcement and a View Restoration Division, at City Hall on Hawthorne Boulevard.

Geology is part of almost every bigger project. The city's grading permit handout says new structures, foundation underpinning and basements require City approval of a soils and geology report, and other projects may need a site visit by the City Geologist to decide whether a report is required. For an addition, that review can take time and affects the foundation design, so we raise it at the start.

The landslide area

The east side of the city, around Portuguese Bend, sits on an ancient landslide complex. Land movement there accelerated sharply in 2023 and 2024, and the city has spent heavily on monitoring and stabilization since. In August 2025 the City Council adopted rules, effective September 18, 2025, that permanently prohibit new residential construction in the landslide area, including home additions, new garages and pools, and expanded the area's boundaries to include parcels in Seaview and the Portuguese Bend Beach Club.

Owners in the landslide area can still repair, restore or replace existing homes within the same footprint, square footage, stories and setbacks, with a Landslide Exception Permit and city review. If your home is in or near the mapped area, we check the current boundary and the permit path before discussing scope. Outside it, most of the city's neighborhoods follow the normal permit process.

Views, height and neighborhood compatibility

In 1989 Rancho Palos Verdes voters approved a view preservation initiative, and the city's rules on height and views come from it. In general, an addition that is 16 feet or less in height and meets the city's development standards can avoid a full neighborhood compatibility review. Going above the 16-foot by-right height usually requires a Height Variation, which means a silhouette of the proposed addition, certified by a licensed engineer or architect, on site before the application is complete, early outreach to neighbors, and findings that the project doesn't significantly impair views from neighboring homes or public viewpoints.

Neighborhood compatibility looks at how a project compares with nearby homes in scale, style, materials and setbacks, generally measured against the closest 20 lots in the same zone. The city's Neighborhood Compatibility Handbook explains the process. Separately, the city's View Restoration program handles views blocked by foliage.

For that reason, a room addition in Rancho Palos Verdes is often designed to spread out at one level rather than go up, and the second-story question is worth settling before paying for full drawings.

Homes on the peninsula

Much of the city's housing predates its 1973 incorporation, and many neighborhoods are made up of ranch-style homes, often on sloped lots. A home remodel in these houses often includes updated electrical service, plumbing and insulation along with opening up older floor plans. A kitchen remodel is usually about connecting the kitchen to the view and the outdoors, and a bathroom remodel often replaces original layouts in primary and hall baths.

Two other layers apply to some lots. The city has its own Coastal Specific Plan for the area along the coast, and properties in that zone can need coastal review. And Rancho Palos Verdes has updated Fire Hazard Severity Zone maps, which took effect January 1, 2026, and removed significant parts of the city from the Very High designation that had covered nearly all of it. Those zones decide where wildfire-resistant building codes and defensible space rules apply, so we check the current fire maps for each address.

ADUs in Rancho Palos Verdes

The city updated its ADU and junior ADU ordinance in 2024 to follow state law. ADUs are approved ministerially through a site plan review, lots in a Very High Fire Hazard Severity Zone must meet the wildfire-resistant construction code, and coastal permits for ADUs don't require a public hearing. An ADU on a sloped lot may still need geology review, and the landslide area rules prohibit new residential structures. We look at the slope, access and geology on your lot before recommending a garage conversion, attached unit or detached ADU.

To talk through a project in Rancho Palos Verdes, call (213) 816-6465 or use the form on this page.

Frequently asked questions

Can I add on to a home in the Portuguese Bend landslide area?

No. Since September 2025, the city prohibits new residential construction in the landslide area, including additions. Repairs and like-for-like replacement within the existing footprint can be allowed with a Landslide Exception Permit.

When do I need a Height Variation?

Generally when a project goes above the city's 16-foot by-right height. The process includes a certified silhouette, neighbor outreach and view findings.

Do I need a geology report?

For new structures, foundation underpinning and basements, the city requires an approved soils and geology report. For other projects, the City Geologist may visit the site to decide.

Does the view ordinance apply to trees?

Yes. The city's View Restoration program handles foliage that blocks a protected view, which is separate from the review of new construction.

Last reviewed October 2026