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The numbers below come from the Census County Business Patterns for 2022 and 2017, which count employer locations by trade. They leave out sole proprietors with no employees, so a solo remodeler or a one-chair stylist is not in them. Even so, they show clearly which trades are packed and which are open across San Diego County, California, and they let us compare trades in San Diego County with the typical county in the country.
San Diego County had 92,799 employer locations in 2022 and 1,338,161 employees at them. Residents numbered 3,269,973 in the 2023 estimate, a change of -0.9 percent since 2020. A flat or slightly falling headcount matters for marketing: customers are not arriving in growing numbers, so winning an existing customer from a competitor matters more than waiting for new ones. Read each trade below with that in mind: a crowded trade in a flat market is a fight for share, and a quiet trade is a chance to take a region before anyone else does.
All fifteen trades
| Trade | Locations | Per 10,000 residents | Versus typical county | Under 10 staff | With 20+ staff | Change since 2017 |
|---|---|---|---|---|---|---|
| Residential remodelers | 1,668 | 5.1 | 1.6 times | 89 of 100 | 67 | +27.5 percent |
| Roofing contractors | 248 | 0.8 | 0.9 times | 79 of 100 | 27 | +21 percent |
| Electrical contractors | 900 | 2.8 | 1.2 times | 79 of 100 | 94 | +13.6 percent |
| Plumbing, heating and air-conditioning contractors | 1,062 | 3.2 | 1 times | 79 of 100 | 106 | +19.5 percent |
| Insurance agencies and brokerages | 1,321 | 4 | 1.1 times | 90 of 100 | 50 | -3.2 percent |
| Real estate agents and brokers | 3,081 | 9.4 | 3.4 times | 97 of 100 | 33 | +32.2 percent |
| Law offices | 2,489 | 7.6 | 2.6 times | 89 of 100 | 121 | +3.8 percent |
| Accounting and CPA firms | 663 | 2 | 1.5 times | 86 of 100 | 42 | +3.8 percent |
| Janitorial services | 683 | 2.1 | 1.2 times | 77 of 100 | 89 | +20.7 percent |
| Landscaping services | 957 | 2.9 | 0.9 times | 79 of 100 | 111 | +7.6 percent |
| Physicians offices | 2,450 | 7.5 | 1.8 times | 82 of 100 | 184 | +2.4 percent |
| Dentists | 1,943 | 5.9 | 2.1 times | 78 of 100 | 63 | +3.5 percent |
| Full-service restaurants | 2,618 | 8 | 1.2 times | 37 of 100 | 1,077 | +0.7 percent |
| General automotive repair | 852 | 2.6 | 1 times | 93 of 100 | 13 | -1.5 percent |
| Beauty salons | 851 | 2.6 | 1.4 times | 87 of 100 | 25 | +16.7 percent |
Census County Business Patterns 2022 (employer locations only, so sole proprietors are not counted) against 2017. Typical county means the median county with 20,000 or more residents.
Reading the table
Real estate agents and brokers (3.4 times typical), law offices (2.6 times), dentists (2.1 times) and physicians offices (1.8 times) face many neighbors. A page that names a specialty, a neighborhood or a language beats a general page, and paid ads help a new entrant get calls while organic work builds.
Real estate agents and brokers grew 32.2 percent since 2017, residential remodelers 27.5 percent, roofing contractors 21 percent and janitorial services 20.7 percent. Rising counts mean rising competition. The step is to win search names and Maps listings before they saturate.
Landscaping services (0.9 times typical), roofing contractors (0.9 times) and general automotive repair (1 times) are less crowded than the usual county. One strong page per region can hold the territory for businesses in San Diego County.
Insurance agencies and brokerages fell 3.2 percent and general automotive repair 1.5 percent since 2017. A shrinking trade often means fewer, larger businesses. Reviews, repeat customers and branded search become the plan.
First moves
The table counts everyone in a trade. Your real competitors are the ones in your zones, so we list those from the search results themselves and read their pages for what they leave out.
In a packed trade, a general page loses to a specific one: a property type, a neighborhood, a language or a service nobody else describes well.
Where the count has been climbing, the strongest Maps profiles and service pages get harder to dislodge each year. Starting early is cheaper than catching up.
When fewer, bigger firms are left, the customers who stay are the ones worth keeping. Reviews, reminders and branded search carry the plan.
Trades tied to homes feel permits first or last depending on the job. Remodelers and roofers ride the existing housing stock, while electrical, plumbing and landscaping follow new construction.
Size matters
The same table shows how many locations have fewer than ten employees and how many have twenty or more. Across San Diego County, real estate offices are the extreme: 97 of 100 have fewer than ten staff. Restaurants are the opposite, with 1,077 locations at twenty or more, the largest count of any trade here, followed by physicians offices at 184 and law offices at 121.
A small shop competes through a handful of strong pages, a complete Business Profile and reviews that answer the question a stranger has. A large employer competes through locations, hiring pages and a brand that people already search. Digital marketing for the first looks like focused local SEO; for the second it adds the paid channels in PPC management and the page structure covered under SEO services.
Building
| Year | New residential units authorized |
|---|---|
| 2021 | 10,048 |
| 2022 | 9,346 |
| 2023 | 11,469 |
| 2024 | 11,572 |
| 2025 | 11,704 |
Census Building Permits Survey, new privately owned housing units authorized by permit.
Questions
The trade analysis is part of every plan. RankGuarantee™ landing pages are $495 a month for 25 pages, Organic Growth is $1,495 (Silver), $2,495 (Gold, with a managed website) or $3,495 (Platinum), and paid ads management is $895, $1,595 or $2,295 for one, two or three platforms. No setup fee and no contract.
They are the Census County Business Patterns for 2022, compared with 2017, so they describe recent years and not today. They show the shape of the market in San Diego County, California, not live competitor numbers, and they omit sole proprietors without employees.
The table shows 3,081 locations at 3.4 times the typical density, up 32.2 percent since 2017. Housing here is expensive, with a median home value of $725,200, and each sale involves several offices. The practical lesson is to specialize by neighborhood, language or property type.
Full-service restaurants number 2,618 locations in San Diego County, and 1,077 of them have twenty or more staff. Many are larger employers, so competing on pure volume is hard. Reviews, event pages and local names set a smaller restaurant apart.
Insurance agencies fell 3.2 percent and automotive repair 1.5 percent since 2017. Consolidation, online quoting and changing vehicles all play a part. The table shows the count, not the cause, so we treat it as a prompt to ask, not as an answer.
Tell us the trade and the regions you serve. We use the same Census series for other codes when they exist, and when they do not, we read the search landscape directly. The method is the same: count neighbors, check size and look at growth.
Often, but not right away. Annual authorizations rose from 2021 to 2025, apart from a dip in 2022. New homes bring landscaping, electrical and plumbing work first, remodeling after owners settle in. Time your pages to the season, not the permit date. A remodeler in Chula Vista and one in Carlsbad draw on different housing stock, so the same permit number means different work in each zone.
Often, as a bridge. Paid search can produce calls in weeks while organic pages build. Crowded trades also need tracking, so you can see what each click costs you and stop what does not pay. Organic work then lowers that cost over time.
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Get in Touch
Tell us your trade and where you work, and we will show how crowded it is, how large its competitors are and what that means for your first move. Call 610-825-4363 or email hello@getphound.com.