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Business phone system for poured concrete foundation and structure contractors in San Francisco, CA

Poured concrete foundation and structure contractors in the San Francisco-Oakland-Fremont, CA metro area: 186 establishments in 2023, the local area codes, and what phone service costs a 19-person team.

Establishments
186CBP 2023
Employees
3,491mid-March 2023
Per 100k residents
4.0U.S. 6.9
Rank
26th of 728areas by count

How many poured concrete foundation and structure contractors are in San Francisco, CA?

There were 186 poured concrete foundation and structure contractors in the San Francisco-Oakland-Fremont, CA metro area in 2023, according to Census County Business Patterns (NAICS 238110, Poured Concrete Foundation and Structure Contractors). They employed 3,491 people in mid-March and paid $301.0 million in annual payroll. By establishment count the area is 26th out of 728 areas with published figures for poured concrete foundation and structure contractors.

Measured against its 4.6 million residents (2024 estimate), the area has 4.0 poured concrete foundation and structure contractors per 100,000 people; the U.S. rate is 6.9, so San Francisco, CA is 41.7% below the national figure. The average establishment here has 18.8 employees, compared with 11.7 nationally. Payroll per employee comes to $86,212, 22.2% above the national $70,546.

Poured concrete foundation and structure contractors: San Francisco, CA compared with California and the U.S., 2023
MeasureSan Francisco, CACaliforniaUnited States
Establishments1862,16323,350
Mid-March employees3,49134,453272,692
Annual payroll$300,967,000$2,672,968,000$19,237,444,000
Employees per establishment18.815.911.7
Payroll per employee$86,212$77,583$70,546
Establishments per 100,000 residents4.05.56.9

Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.

How big poured concrete foundation and structure contractors in San Francisco, CA are

Of the poured concrete foundation and structure contractors in San Francisco, CA that had employees in March 2023, 49.5% had fewer than five (the U.S. share is 58.8%). 65.2% had fewer than ten. When a business has only a few people, whoever is free answers the phone, and calls that arrive while everyone is busy go to voicemail unless they are routed somewhere else.

Poured concrete foundation and structure contractors in San Francisco, CA by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees9149.5%58.8%
5–9 employees2915.8%18.4%
10–19 employees3418.5%11.1%
20–49 employees2111.4%7.5%
50 or more employees94.9%4.2%

Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.

Calls a concrete contractor in San Francisco, CA has to catch

Concrete work depends on weather and pour schedules, so contractors are constantly on the phone with builders, suppliers and customers. Missed calls can mean missed pour windows. That holds for poured concrete foundation and structure contractors in San Francisco, CA as much as anywhere.

A few of the calls that come in to poured concrete foundation and structure contractors in San Francisco, CA:

What poured concrete foundation and structure contractors text about

Contractors text pour dates and weather updates.

Because carriers require registration for business texting from local numbers, Callata files a 10DLC registration for a one-time $49; after approval, anyone on the team can reply from the business number.

Callata vs. per-seat pricing for poured concrete foundation and structure contractors in San Francisco, CA

The average concrete contractor in San Francisco, CA has 18.8 employees, so a 19-person team is a reasonable benchmark. Priced per seat, 19 users would run $570.00 a month on RingCentral RingEX Core and $474.05 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $2,292 less than RingCentral for a concrete contractor in San Francisco, CA of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 19-person concrete contractor
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$379.00$4,548.00
Quo (Starter)$19.00 per user$361.00$4,332.00
Nextiva (Core)$23.00 per user$437.00$5,244.00
Ooma (Office Pro)$24.95 per user$474.05$5,688.60
Dialpad (Standard)$27.00 per user$513.00$6,156.00
RingCentral (RingEX Core)$30.00 per user$570.00$6,840.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Getting a local number in San Francisco, CA

NANPA records place the exchanges of the area's named cities and towns in 6 area codes. 415 has the most, with 628 of 1,734 exchanges (36%). A local number lets customers in San Francisco, CA call without dialing out of area. Callata includes up to 3 local numbers, and which numbers are open in an area code depends on carrier inventory when you choose.

Area codes in the San Francisco, CA area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
415628Pacific1947628
925514Pacific1998none
650268Pacific1997none
510170Pacific1991341
628131Pacific2015415
34123Pacific2019510

Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.

How Callata works for poured concrete foundation and structure contractors

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Porting a number you already use in San Francisco, CA is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

Frequently asked questions

How many poured concrete foundation and structure contractors are there in San Francisco, CA?

Census County Business Patterns counted 186 poured concrete foundation and structure contractors in the San Francisco-Oakland-Fremont, CA metro area in 2023. They employed 3,491 people in mid-March.

What does a business phone system cost for a 19-person concrete contractor?

At month-to-month list prices checked September 28, 2026, 19 users cost $570.00 a month on RingCentral RingEX Core and $474.05 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $379.00.

What area code should a concrete contractor in San Francisco, CA use?

Area code 415 has the most assigned exchanges among the area's named places, followed by 925 and 650. If you already have a local number, you can port it to Callata for free.

Can an AI receptionist answer calls for a concrete contractor?

Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute.