Site Plan Surveys for Design & Permits

Give your architect and engineer an accurate base map to design on. We measure your property lines, structures, utilities, and key features into a clean, scaled site plan.

Tell us what the city, county, architect, or engineer requested — we'll help confirm the right survey for your project. Call now to discuss it.

What is Site Plan Survey?

A site plan survey is the measured base map your design team builds on. It shows the property boundary, existing buildings and improvements, hardscape, utilities, trees, and grade information at a known scale, so the architect's drawings and the city's plan check are grounded in reality rather than estimates. Most additions, ADUs, new homes, and tenant improvements start here.

When you need this survey

What is included

Exact deliverables depend on your project's scope and what the city, lender, or agency requires. Typical items can include:

Common uses

Who this helps

Areas served

We provide this service throughout Southern California. Explore coverage by county:

Popular Los Angeles County cities: Los Angeles, Long Beach, Pasadena, Santa Monica, Glendale.

What to have ready before requesting a quote

A little information up front helps us scope the right survey and quote it accurately:

Related services

Frequently asked questions

What is the difference between a site plan survey and a topographic survey?

A topographic survey focuses on elevations and contours of the land. A site plan survey is a measured base map of the property and its improvements for design and permitting, and it often includes topographic detail where the project needs it.

Will the survey be in CAD for my architect?

Yes. We deliver a scaled CAD base map your architect or engineer can design directly on, along with a PDF.

Do I need a site plan survey for an ADU?

Most ADU projects need an accurate existing-conditions site plan showing property lines, setbacks, and existing structures so the city can confirm placement. We tailor the survey to your jurisdiction's requirements.

How much does a site plan survey cost?

It depends on lot size, the number of features to locate, and the level of detail your design requires. Request a free estimate and we will scope it.

Licensed Surveyor Oversight

Survey work is completed by, or under the responsible charge of, California-licensed Professional Land Surveyors. When a stamped survey is required, the final deliverable will identify the responsible licensee for that project.

Ready for your site plan survey?

Get a free, no-obligation estimate. We respond fast — because time always equals money.

Call Now: (213) 787-3342 Free Quote