Bay City Geology
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Bay City Geology
Bay City Geology, Inc. is an engineering geology and geotechnical engineering firm providing geology and soils reports for submittal to government agencies for building permits and to design consultants for construction intent. We also provide escrow geology reports also known as geologic inspection reports for prospective home buyers.

Competitive Prices and Rapid Turnaround to Receive Report. We are licensed engineering geologists and geotechnical engineers. Our geology and soils reports will provide foundation recommendations and slope stability analysis for your hillside development project. We also specialize in liquefaction analysis for sites located within mapped liquefaction zones.
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Bay City Geology, Inc. is a geology and soils firm that has been providing engineering geology and geotechnical engineering services for cities within the Los Angeles area since 2009. We prepare geology and soils reports for submittal to government agencies for building permits and to design consultants for construction intent.
If you are building a New Home or planning Room Additions to an existing home, chances are that during the plan check phase you will be required to submit a Geology & Soils Report. Retaining Walls (Note: The City of Los Angeles Retaining Wall Ordinance puts limitations on the height and number of retaining walls on a lot [read ordinance]).
If you are purchasing a hillside home in southern California, or already in escrow, you may be asking yourself this very question. A geological inspection report (also known as a geologic escrow report) is usually conducted during the escrow period and is used to assess the geological risk involved in the purchase of a hillside home.
Jobs where the City of Los Angeles has specifically Requested that a Deputy Grading Inspector be present at all times during grading. A Deputy Grading Inspector is required by the City of Los Angeles to ensure that the work performed is in compliance with the current building code.

Duties of the Deputy Grading Inspector typically involve continuously monitoring construction activities onsite to verify the work performed is being conducted per the grading/shoring plans, soils and geology reports, and approval letters.At Bay City Geology, all our Deputy Grading Inspectors are experienced Licensed Engineering Geologists or Geotechnical Engineers.
To properly repair your hillside, you will need to hire a geologist. At Bay City Geology, we are very skilled with the process of analyzing landslides within the complex geologic areas of Los Angeles. Our veteran geologists have repaired numerous landslides from large, deep-seated bedrock slides to small surficial mudslides.
Reviews (7)
Ed G.
Ed G.
Oct 05, 2020
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Highly recommended. We contacted Bay City Geology for a required Soils Engineering report for our home renovation/ remodel. Jonathan showed up on time with his crew, to drill and excavate the necessary core samples. They worked expeditiously and deliberately removing the required canisters of soil for their lab to later analyze. The site was cleaned and returned like they found it. Jonathan turned our project around in a few weeks (shorter than other quotes/ bids). The final report/ assessment that he delivered was very detailed, thorough, and professional. We will use, and highly recommend Bay
Peilun R.
Peilun R.
Feb 07, 2017
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Jonathan is a real pleasure to work with. He completed the soil study for my renovation project in Encino in a month's time, and this was during the holidays in December/January. I just received the approval letter from the LADBS Grading Division for Jonathan/Bay City's geology report. The entire process took just two months. I give Jonathan all the credit for his top-notch service and expertise. If you are needing a soil study, I highly recommend you call Jonathan to discuss your project with him. You will immediately notice his high level of service and the pride he takes in his work
Sylvia V.
Sylvia V.
Oct 23, 2015
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I called Jonathan a couple of years ago and he did a soil report on my property. His price was more than fair, and he is very professional and very knowledgeable. I had to call him back to stamp some architectural plans, and he did it right away. I have emailed him for information and advice in the past, and he always responds and is always willing to share his knowledge. He always remembers me too. I would recommend Jonathan to anyone who needs a geologist. Thank you!, Jonathan for all your help
Leigh H.
Leigh H.
Mar 12, 2015
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I had Jonathan provide a geological report for escrow prior to purchasing a 3acre lot in highland park. He was very professional and the cost was very reasonable. I am planning to use his services again on a new land purchase .
Nancy N.
Nancy N.
Nov 05, 2014
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Jonathan was awesome to work with! I called him to tell him about my house project and asked him what the estimated time frame was going to be and he said between 3-4 weeks. This was a life saver because another place we had talked to told us 2 months at least.

The following week Jonathan and his men came out and started taking samples from our yard. Very efficient, no nonsense, very professional guy. He got the reports to us (with a full CD) in less than a month.

I'm very happy we found him on Yelp! Highly recommend him!

Thanks Jonathan!
Henri B.
Henri B.
Dec 22, 2013
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Jonathan Miller is a rigorous straight shooter geologist and I recommend his services highly. He did our Alquist Priolo study on a very difficult 10 acre site with 13 trenches. He fees are very reasonable and knows LADBS grading and soils rules........give him a call.
Debbie S.
Debbie S.
Nov 03, 2012
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I found Jonathan Miller on Google and can't say enough good things about him!

He returned my call within minutes, and waited only a couple of hours after explaining my buyer's concerns about buying a house on the edge of a hill, before receiving a comprehensive quote.

Jonathan arrived at the property early and checked out both the inside and outside of the house. My buyer's detailed geologic report was ready the same day.

I found him to be pleasant and thorough, and highly recommend him to anyone wanting to know about possible geological or seismic problems with a property.