Click one of the questions below to view the answer.

How can I contact someone from the GIS department?

Please look in the Staff section for contact information.

What is TLMA?

Transportation and Land Management Agency

What is GIS?

Geographic Information Systems. Click here for a detailed explanation.

Where can I purchase maps?

Maps can be purchased through the Products & Services section website.

How do I obtain GIS data?

Free data can be found in the GIS Data secion. Data can also be purchased through the Data Distribution program. Please contact Mickey Zolezio, 951-955-4649 for more details.

Are there any free services?

The Riverside County Land Information System is free for public use.

How do I find my APN number?

Click here and search using your address.

How do I get information about my property?

Please use our Riverside County Land Information System for information regarding your property.

Can I get a map of my neighborhood?

Please use our Riverside County Land Information System for information regarding your neighborhood. You can also purchase a custom map here.

I need an address?

Please see the 2nd Floor Customer Counter Services at the County Administrative Center located at 4080 Lemon St. Riverside CA, 92502.

What data is available?

Please contact the 2nd floor GIS Customer Counter about Data Distribution and current data layers.

What area does The County of Riverside TLMA-GIS data cover?

TLMA GIS maintains data for the entire county of Riverside. City specific data like City Zoning is not maintained by the County of Riverside.

I live in the City of _______ . Why can't I find my zoning?

The County of Riverside does not maintain city-specific data like Zoning designation, clasification or landuse within incorporated cities. Please visit our Links section for information to your city.

I'd like to file a complaint or have a question.

Click here to inform or discuss it with the Agency's Ombudsman.

If you are looking for information on:

Please visit our Links section and our Staff section.

What GIS Software does TLMA-GIS use?

ESRI's ArcGIS, ArcInfo.