San Diego · Life Science, R&D & Commercial

Commercial and life-science cost segregation in San Diego.

Life-science, R&D, defense and commercial property across San Diego County — from Torrey Pines and UTC to Sorrento Valley and the defense corridor. Engagements include an on-site observation, and most studies are delivered within about two weeks.

Prefer to talk it through? Call (213) 444-2776.
Exploded engineering plate of a typical R&D / industrial building separated into layers: roof, structural frame, process equipment, walls, floor slab and foundation, and the site.
Illustrative — a typical R&D / industrial building, exploded into the component layers a study examines.
IRS ATG aligned
Methodology mirrors Pub. 5653
Fixed written fee
From $2,495 — quoted up front
On-site observation
Our technicians visit in ~1 week
CPA-ready report
Component-level, reviewer-approved
A representative $8M San Diego life-science / R&D building
$627,271
moved into shorter recovery periods — 12.1% of depreciable basis in this illustrative model.
5-year
$538,479
15-year
$88,792
39-year
$4,572,729
$8,000,000 · 40,000 SF · built 2005 · R&D flex · service dock · compressed air · 16,000 SF office / lab build-out · land at 35%. Illustrative engine output (v3.23.0), not a completed study. Estimated total first-year depreciation $690,781 including 100% bonus on eligible shorter-life property.
Largest modeled accelerated components
Office / lab suspended ceiling & grid 5yr · $94,322
Office / lab resilient flooring 5yr · $90,015
Dock & material-handling equipment 5yr · $102,422
Truck court & paving 15yr · $67,789
Office / lab partitions (non-structural) 5yr · $63,162
Compressed-air distribution & drops 5yr · $47,826
Selected components; smaller shorter-life items make up the remainder.
Local knowledge

What makes San Diego life-science property different for cost seg

San Diego owners often underestimate how much of a life-science or R&D building's value is tangible personal property rather than shell. The county's core innovation submarkets — Torrey Pines, UTC and Sorrento Valley/Mesa, plus the defense and precision-manufacturing base — are defined by wet-lab and specialized interior build-out: fume hoods and casework, dedicated and emergency power, specialty HVAC and exhaust, process piping and cleanroom infrastructure. After the boom, a large amount of that lab space is being repositioned and converted, and a study on an acquisition or a conversion is where the equipment-dense basis gets captured.

Why it matters for your study

Because we're on site, our engineering review documents the lab and R&D build-out first-hand — casework and fume hoods, dedicated and emergency power, specialty HVAC and exhaust, process piping and cleanroom envelopes — the §1245 and short-life value that defines San Diego life-science property, rather than assuming a large exterior site allocation the parcel doesn't have.

Why life-science and R&D property rewards an on-site study

A lab or R&D building hides its value indoors. The components that matter most — dedicated power, specialty HVAC and exhaust, process infrastructure, casework and cleanroom envelopes — are installed and removed by successive tenants, and none of it is described in a closing file or a listing photo.

Walking the property is how the build-out, the specialty systems, and the improvement generations become a documented record instead of an assumption. Where records already support the components at issue, our remote model applies and costs less.

What we document at the property

Dedicated & emergency power

Lab and R&D buildings carry power well beyond general building service — dedicated circuits, emergency and standby systems, upsized service. We document service size, panel labels, and the equipment served before treating a circuit as equipment-related.

Lab, cleanroom & process systems

Fume hoods, specialty HVAC and exhaust, process piping and specialty gas, compressed air, and cleanroom envelopes — documented as installed systems and evaluated on what they serve, not by label.

Casework & tenant improvements

Lab benches and casework, specialty finishes, partitions, and office build-out. San Diego lab space is repeatedly retrofitted and converted, so one shell can carry several generations of improvements with different vintages.

Site & service improvements

Service and loading areas, parking, drives and aprons, exterior lighting, landscaping and drainage, fencing and gates — real but a smaller share than the interior on lab and R&D product.

One building, three kinds of answer

Illustrative. Actual classifications are made per property, on the facts.

Commonly accelerates

Dedicated and emergency power, process and equipment electrical, compressed air, removable lab casework and benches, specialty exhaust and make-up air serving identified equipment, office and lab finishes, and site improvements such as parking and lighting.

Depends on the facts

Cleanroom envelopes and their dedicated HVAC and filtration, tenant and conversion build-out of uncertain vintage, floor reinforcement and equipment pads, and vibration isolation — turning on how each installation functions and what the records show.

Generally structural

Shell, structural frame, foundation and floor slab, exterior walls, roofing, general-purpose lighting, and building-wide HVAC, plumbing and fire protection — nonresidential real property depreciated over 39 years.

How the engagement works

01
Scoping
Basis, placed-in-service date, square footage, improvement history, records.
02
Fixed quote
A written fee up front — never a percentage of your deduction.
03
Observation
A field technician documents site improvements, equipment, and quantities.
04
Analysis
Reconciled to basis, modeled on industry-standard cost data, classified into MACRS lives.
05
Delivery
Quality-control and reviewer checks, then a CPA-ready component-level report.

San Diego submarkets we serve

Life-science core
Torrey Pines · UTC / University City · Sorrento Valley · Sorrento Mesa · Del Mar Heights
Central & I-15 corridor
Kearny Mesa · Miramar · Mira Mesa · Rancho Bernardo · Scripps Ranch
South & East County
Otay Mesa · Chula Vista · National City · El Cajon · Santee

Related: our Orange County industrial coverage (a similar lab-and-flex profile), industrial cost segregation, the sample manufacturing report, and our Southern California commercial hub.

Frequently asked

Do you visit life-science and R&D buildings in San Diego?

Yes. Southern California engagements include an on-site property observation by one of our technicians, typically within about a week. On lab and R&D product the visit matters more than usual, because the specialized interior build-out is rarely legible from a closing file.

How long does a San Diego commercial study take?

Most commercial studies are delivered within about two weeks after the property visit, varying with build-out complexity and record availability.

How much does a San Diego commercial or life-science study cost?

Engineered commercial and industrial studies start at $2,495 and step with the improvement basis. You get a fixed written fee before any work begins, not a percentage of your deduction — or call us at (213) 444-2776.

What makes San Diego life-science property distinctive for cost segregation?

The value is indoors. Wet-lab and R&D build-out — fume hoods and casework, dedicated and emergency power, specialty HVAC and exhaust, process piping and gas, and cleanroom infrastructure — carries a large share of the basis, and it is exactly the kind of construction successive tenants install and remove. With the current wave of lab space being repositioned and converted, a study on an acquisition or a conversion is where that basis gets captured.

We are converting office or flex space to lab. Does that change the study?

It changes what there is to examine, and it is often the strongest case for one. A lab conversion adds dedicated power, specialty HVAC and exhaust, process infrastructure and finishes — much of it separately identifiable — placed in service in its own year. Bring the improvement invoices and drawings; that evidence does more work here than on a plain shell.

Want your own numbers instead? Get a free 1-page preliminary depreciation estimate for your property — we do the work, you get the PDF.
See my estimated Year-1 savings →

Ready to scope your building?

Tell us the address, basis, and placed-in-service date. We generally return a written scope and quote within one business day — or call the office at (213) 444-2776.

Get a study quote →