Last Updated: November 2025 | Reading Time: 13 minutes | Author: KEYZ Commercial Real Estate Advisory Team

If you own commercial property in Southern California, the last three years have been a lesson in how quickly conditions change. The Inland Empire industrial market that could not build space fast enough in 2022 is now a market where landlords compete on concessions. Owners who priced their assets off 2023 comps have watched them sit.

That shift is exactly why the brokerage you choose matters more now than it did during the boom. In a rising market, most listings eventually lease. In a corrected market, positioning, pricing discipline, and access to real tenant demand decide whether your space fills this quarter or next year.

This guide covers what a full-service commercial brokerage should actually deliver, what the Southern California market looks like right now, and how to evaluate a brokerage partner honestly.

Where the Southern California market actually stands

Any brokerage that tells you industrial rents are climbing is working from stale data. Here is what the current reporting shows.

Inland Empire. CoStar data prepared for the Riverside County Economic Development Agency (published February 2026, Q1 2026 data) puts market asking rents at $1.03/SF/month, approximately 23% below the 2023 peak and back in line with early 2022 levels, with 12-month rent growth of -2.3%. Market-wide vacancy sits at 8.7%. Availability, which also counts occupied space already being marketed, sits at 11.9%.

For Q2 2026, Kidder Mathews reports $0.98/SF/month NNN, down 4.85% year over year, at 7.6% direct vacancy (8.6% total). CBRE reports $1.08/SF/month NNN at 7.4% vacancy. Note that CBRE’s figure covers its “IE Core” submarket specifically, not the full Inland Empire. The same report shows IE West at 5.9% and IE East at 9.0%.

Why three different numbers? Each firm draws the market boundary and the building set differently, and they are reporting different quarters. Treat the spread, roughly $0.98 to $1.08, as the honest range rather than picking the most flattering figure. Any broker quoting you a single precise number for “the Inland Empire” without saying whose data it is and what it covers is not being careful with your asset.

There is a genuine bright spot in the CBRE data. Q2 2026 leasing activity hit 15.5 million square feet, up 41.7% from 10.9 million a year earlier, while the construction pipeline shrank to 6.2 million square feet, 41.3% below year-ago levels. Demand is returning and new supply is not. That is the setup for stabilization, though it has not reached asking rents yet.

Orange County and Los Angeles. Kidder Mathews reports Q2 2026 Orange County industrial at 6.0% direct vacancy (6.9% total) and $1.45/SF/month NNN, down 5.2% year over year from $1.53. Los Angeles is also at 6.0% direct vacancy (6.9% total), with asking rents of $1.37/SF/month NNN, down 6.16% year over year from $1.46.

Worth stating plainly: the Inland Empire is the softest of the three markets right now. At 7.6% to 8.7% vacancy against 6.0% direct in both LA and Orange County, IE owners face the most competition for tenants. Coastal owners have more pricing leverage than IE owners do, and any advice that treats “Southern California” as one market will mislead you in one direction or the other.

A national pattern worth knowing about. CoStar reported in June 2026 that nationally, availability for small-bay industrial properties runs at 6.4%, well below the 10.9% rate for the broader logistics market. Small-footprint product competes in a different pool than big-box distribution, and it has held up better through the correction.

Two honest caveats on that figure. It is an availability rate, not a vacancy rate. Availability is the broader measure, counting space being marketed even while still occupied. It is also a national number, and Inland Empire availability is 11.9%, above the national logistics figure, so the IE is looser than the country as a whole. The national small-bay pattern is real, and it is a reason for cautious optimism if you own smaller product. But it does not by itself prove your specific building sits in a tight submarket. That requires looking at your actual competitive set, which is work a broker should do for you rather than assert from a press release.

CoStar also notes average lease terms on the largest leases have compressed from roughly seven years in 2022 to five years today. Shorter terms mean turnover comes around faster, which raises the value of a brokerage relationship that does not end at closing.

What a full-service brokerage actually is

A full-service commercial brokerage handles sales, leasing, property management, and advisory under one roof, rather than referring each function out. The practical difference is continuity. The person who leased your building is still involved when the tenant wants to expand, and the market intelligence gathered during your lease-up informs how your next asset gets priced.

There is no published research proving full-service firms outperform specialists, and you should be skeptical of any brokerage that claims otherwise with a statistic. What the model does offer is fewer handoffs, one accountable relationship, and a team that sees your portfolio rather than a single transaction. Whether that beats assembling best-in-class specialists depends on your portfolio and how much coordination you want to do yourself.

Core services to expect

Sales and leasing advisory

Market analysis and valuation. Comparables, absorption, and pricing trends specific to your submarket, not countywide averages. In a corrected market this matters more than usual, because 2023 comps will badly mislead you and asking rents overstate what deals are actually closing at.

Strategic positioning. How the asset is presented, priced, and packaged. In a tenant’s market, positioning is most of the job.

Buyer and tenant sourcing. Active outbound sourcing against a real database, not waiting on inbound calls from a listing site. Ask any brokerage you are evaluating how many qualified prospects they will contact directly in the first 30 days, and how they built that list.

Property management

Tenant screening, lease administration, maintenance and vendor coordination, rent collection, financial reporting, renewals, and tenant relations.

For benchmarking what your operating costs should look like, the Income/Expense IQ National Summary, published jointly by IREM, BOMA International, NAA and Lobby CRE from roughly 4,800 property submissions, reports industrial gross rents of $8.49/SF against operating expenses of $3.03/SF (about a 36% expense ratio), and office at $20.47/SF gross against $11.15/SF in expenses (about 54%).

This reflects 2023 operating data, published in 2024, the most recent edition available. Use it directionally rather than precisely. Property insurance and tax assessments in California have moved substantially since 2023, so a well-run building today may reasonably show a higher expense ratio than these benchmarks suggest.

This is benchmark data, not proof that professional management improves performance. It is useful for one thing: checking whether your building’s expense ratio is out of line with its peer set. If it is, that is a conversation worth having.

Investment and advisory

Portfolio review. Identifying underperformers and repositioning or disposition candidates.
Timing guidance. Buy, hold, or sell, grounded in current fundamentals rather than momentum.
1031 exchange support. Replacement property sourcing and timeline management.
Financing coordination. Brokerages do not lend, but should maintain real lender relationships and make warm introductions.

Why smaller flex and small-bay space is holding up better

First, two definitions that often get confused.

Flex is defined by how a building is put together, not by how big it is. The industry convention across CRE glossaries describes a low-rise structure, usually one or two storeys, where roughly half or more of the rentable area is finished as office, clear heights run to about 16 feet, and there is drive-in loading. Square footage does not enter into it, which is why a 60,000 sq. ft. building can be flex and a 12,000 sq. ft. one may not be.

Small-bay is a different category: a size and configuration segment, mostly warehouse with minimal office finish. The national availability figures cited above describe small-bay, not flex.

The two overlap in practice but they are not interchangeable, and brokers use them loosely. When someone quotes you a “flex” statistic, ask which definition they mean. In our Southern California experience the product that trades most actively across both categories runs roughly 2,000 to 15,000 square feet, but treat that as our observation of this market rather than an industry standard.

Why demand is durable in this segment:

Last-mile logistics. Same-day and next-day delivery expectations push distribution closer to population centers, and the sites that work are smaller and infill rather than big-box.

Flexible workplace needs. Companies want less conventional office and more adaptable space combining office with warehouse or light industrial, which is precisely what flex product is.

Small business formation. Smaller operators need shorter terms and lower entry costs than Class A office demands.

Constrained supply. Little new small-format product gets built, because development economics favor large-format, so existing small-bay and flex inventory faces limited new competition. The national availability gap (6.4% small-bay against 10.9% for broader logistics) reflects exactly this dynamic.

If you own small-bay or flex product in Southern California, you are likely in the healthier part of a soft market. “Likely” is the honest word, though. Whether that holds for your building depends on your submarket, your ceiling height, your office finish, and what else is available within a few miles of you. That is a specific analysis, not a market-wide assumption. Talk to our team about your property or browse our current listings.

Technology and market intelligence

Expect a brokerage to use CoStar, LoopNet, and its own database for availability and pricing, professional marketing including 3D tours and drone photography, and transaction management that keeps everyone aligned through closing.

Be skeptical of “predictive analytics” claims. Most CRE forecasting tools repackage the same underlying CoStar and public data everyone else has. The differentiator is not the software. It is whether the broker can tell you which specific tenants in your submarket have leases rolling in the next 18 months. Ask that question directly.

How to evaluate a brokerage partner

Submarket expertise. Not “Southern California,” your submarket. Ask for three comparable deals they closed within five miles in the past 18 months, with the actual terms.

Realistic pricing. A broker who agrees with your number without pushback is telling you what you want to hear. In this market, the right partner will show you why 2023 comps do not apply and where deals are actually clearing.

Advisory depth. Does the conversation start with your hold period, tax position, and portfolio goals, or with a listing agreement?

Team continuity. Will you work with the same people throughout, or be handed between departments?

Verifiable track record. Ask for references from clients whose deals took longer than expected. How a brokerage handles a difficult listing tells you more than a highlight reel.

Red flags

Statistics without sources. If a brokerage cites data it cannot link to, assume it is unreliable, including about your property’s value.
Claims that rents are rising in a market where every published series shows them falling.
Focus on securing the listing rather than on your outcome.
Vague answers about past results.
One-size-fits-all marketing with no property-specific strategy.
Slow responses during evaluation. It does not improve after you sign.

Working with KEYZ Commercial

We work with owners and investors across Orange County, Los Angeles, and the Inland Empire, on assets from single flex buildings to multi-property portfolios. Our focus is small-bay industrial, flex, and retail, the segments where local knowledge of specific buildings and specific tenants actually changes outcomes.

What we will tell you: where your asset genuinely sits against current comps, what concessions the market is requiring, and whether now is the right time to lease, hold, or sell. Sometimes that answer is “wait.” We would rather give you that answer than a listing agreement.

Get in touch to discuss your property, or see what we currently have on the market.

Key takeaways

Inland Empire industrial asking rents have corrected roughly 23% from their 2023 peak, and Los Angeles is down 6.16% year over year. Underwrite off current deals, not 2023 comps.
The Inland Empire is the softest of the three SoCal markets, at 7.6% to 8.7% vacancy against 6.0% direct in both LA and Orange County. Coastal owners have more leverage than IE owners.
Nationally, small-bay availability runs 6.4% against 10.9% for broader logistics. Smaller product has held up better through the correction, though that is a national pattern, and IE availability (11.9%) sits above the national figure.
Leasing activity is recovering (up 41.7% year over year in the IE) while construction has fallen 41.3%. Those are conditions for stabilization, not yet reflected in asking rents.
Effective rents run below asking because concessions are standard. Adjust expectations accordingly.
Judge a brokerage on submarket-specific evidence and honest pricing, not on statistics it cannot source.

Frequently asked questions

What does a full-service brokerage cost?
Commission structures vary by transaction type and market. Sales and leasing commissions are generally negotiated as a percentage of transaction value or total lease consideration, and management fees as a percentage of collected rents. Rates are not standardized and are always negotiable. Ask any prospective broker for a written fee schedule in advance and compare across at least two firms.

How long does a commercial transaction take?
There is no reliable published benchmark for commercial days-on-market. Unlike residential, the data simply is not tracked that way. Timelines depend on asset type, pricing relative to market, financing, and complexity. In the current Southern California market, well-priced small-bay product moves considerably faster than large-format space. Ask your broker for the actual marketing periods on their last three comparable deals rather than a generic range.

Full-service brokerage or boutique firm?
Full-service firms offer more capabilities under one roof and continuity across transaction phases. Boutiques often go deeper in a specific submarket or asset type. Neither is categorically better. What matters is submarket knowledge and whether the specific people handling your asset have done this exact type of deal recently.

Should I use the same brokerage to buy and sell?
Only if they are genuinely strong at both. A firm with deep flex leasing expertise may not be the right choice for an office disposition. Evaluate each assignment on its own.

Is flex space a good investment right now?
Nationally, small-format industrial has held up better than big-box, at 6.4% availability against 10.9% for broader logistics, and new small-format supply is constrained. But asking rents across Southern California industrial have corrected significantly, the Inland Empire specifically runs looser than the national average, and any pro forma built on 2022 to 2023 rent growth assumptions needs rebuilding from scratch. Entry pricing matters enormously here. Underwrite off current effective rents including concessions, and get submarket-specific data rather than relying on national trends.

What should property management actually deliver?
Monthly financial statements, proactive maintenance planning rather than reactive repairs, direct tenant communication, and a periodic review covering occupancy, collections, expense ratios against benchmark, and lease expiration exposure. If you are not getting a scheduled review, you are getting bookkeeping rather than management.

Sources

Market data current as of Q2 2026, except the CoStar and Riverside County EDA figures (Q1 2026) and the IREM/BOMA benchmarks (2023 operating data, published 2024). Figures vary between sources because each firm defines the market geography and building set differently. CBRE’s “IE Core” is a submarket, not the full Inland Empire. Availability and vacancy are also distinct measures. The direction of the trend is consistent across all sources.

The flex building definition is CoStar’s, as reproduced in standard CRE terms-and-definitions references.

What Property Owners Should Expect from a Full-Service Brokerage