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Building inspectors

Official title Construction and Building Inspectors (SOC 47-4011)

Also called Construction inspector, Plans examiner, Plan reviewer, Code enforcement officer, Field inspector

In brief

In May 2025, BLS counted 146,720 US building inspectors, with median pay of $74,690 a year. Of the BLS counts since 2003, the May 2025 count is the highest. The earliest figure here is an estimate of 38,000 from 1950, not measured the same way as today's count. The last full technology era for building inspectors: Remote video inspection, 2018 to 2023. BLS projects that remote inspection is reducing the need for inspectors in state and local government for qualifying scope items, contributing to the employment decline projected for 2024-2034.

What the sources say

Official outlook

BLS projects little or no change in employment from 2025 to 2035 (0%).

BLS Employment Projections 2025-35

AI exposure studies

Data as of BLS OEWS May 2025; BLS Employment Projections 2025-35. BLS publishes these counts as yearly survey snapshots and cautions against reading them as a precise trend. In May 2021 BLS changed how it estimates these counts (a model-based method using three years of survey data) and moved fully to the 2018 occupation codes, so part of a change across 2021 can come from the method rather than the work.

Last updated .

Cite this page
APA

Future History. (2026, October 11). Building inspectors: jobs and pay since 1950 [Data set; data as of BLS OEWS May 2025; BLS Employment Projections 2025-35]. https://futurehistory.earth/timeline/47-4011

Chicago

Future History. "Building inspectors: jobs and pay since 1950." Data as of BLS OEWS May 2025; BLS Employment Projections 2025-35. Last modified October 11, 2026. https://futurehistory.earth/timeline/47-4011.

BibTeX

@misc{futurehistory_47_4011, author = {{Future History}}, title = {Building inspectors: jobs and pay since 1950}, year = {2026}, month = oct, howpublished = {\url{https://futurehistory.earth/timeline/47-4011}}, note = {Last updated 2026-10-11. Data as of BLS OEWS May 2025; BLS Employment Projections 2025-35}, }

The access date is today's date on your device.

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187519001925195019752000now
Country
2026
Known then as Building Inspector / Fire Inspector (early municipal code enforcement)
Known then as Building Official / Construction Inspector (BOCA era, pre-model-code)
Known then as Building Inspector / Plans Examiner / Code Enforcement Officer (regional model-code era)
Known then as Construction Inspector / Building Official (ICC consolidation era)
Known then as Construction and Building Inspectors (BLS SOC 47-4011)
Known today as Construction and Building Inspectors (BLS SOC 47-4011)
Projected to still be called Construction and Building Inspectors (BLS SOC 47-4011)
Data from the May 2025 survey
US Employment
147K
Est.

Stated in source: BLS OEWS

Official statistic
Report an error
Median Annual Wage
$74,690
Est.

≈ $72,775 in 2024 prices (derived by us, CPI-adjusted)

Official statistic
Report an error
Beat · 1871

October 8-10, 1871: The Great Chicago Fire kills roughly 300 people, destroys 17,450 structures, and leaves 100,000 Chicagoans homeless. Pre-fire building ordinances existed but were narrow and irregularly enforced. Chicago restructures its fire department and enacts comprehensive building codes in 1875 -- among the country's first -- creating a formal corps of municipal building officials whose job is to enforce them. The fire establishes the foundational logic of the occupation: building inspection exists because catastrophic failure costs more than prevention.

Beat · 1905

The National Board of Fire Underwriters publishes the first nationally recommended model building code. Drafted primarily to protect buildings for insurance purposes rather than to protect occupants, it represents the first common text available to municipal inspectors across jurisdictions. The code was imperfect but signaled that the occupation was beginning to standardize.

Beat · 1911

March 25, 1911: The Triangle Shirtwaist Factory fire in New York City kills 146 workers, at least 125 of them immigrant women, when locked exits trap them on the upper floors of a Greenwich Village garment factory. New York law left fire-escape adequacy to building inspector discretion, and no fire drills were required or conducted. Within three months, the New York Factory Investigating Commission is created; in its first year it inspects 1,836 establishments and hears 222 witnesses. More than 30 new New York State laws covering fire safety, factory inspection, and building standards are enacted between 1911 and 1914. The fire is the clearest case in American history of building-inspection failures translating directly into mass civilian death, and it produces the strongest single wave of inspection-profession expansion in the occupation's history.

Beat · 1915

Building officials from nine states and Canada form the Building Officials and Code Administrators International (BOCA) as a forum for sharing knowledge and elevating professional standards. This is the first national organization of building inspection professionals -- a signal that the occupation is beginning to understand itself as a profession with a body of knowledge, not just a government job filled by political appointment. BOCA will publish its first model building code 35 years later, in 1950.

Beat · 1950

BOCA publishes the BOCA Basic Building Code -- its first model code. Within one year, 50 cities have adopted it. The western states have the ICBO's Uniform Building Code; the south uses the SBCCI Standard Building Code. For the first time, building inspectors in many jurisdictions work from a published, shared text rather than an oral tradition and local ordinances. The plan examiner as a distinct function (desk review of submitted drawings) becomes a recognizable sub-specialty within the occupation.

Beat · 1976

A group of home inspectors meeting in Ronald Passaro's office at Rutgers University founds the American Society of Home Inspectors (ASHI). Before 1976, pre-purchase home inspection was an informal practice done by friends with construction backgrounds. ASHI's formation begins the creation of a distinct private-sector inspection profession separate from the municipal building inspector. Texas becomes the first state to license home inspectors in 1985; more than 30 states eventually follow. The two populations -- municipal code enforcement inspectors and private real-estate-transaction inspectors -- remain legally distinct but are often conflated in public usage.

Beat · 1994

BOCA, ICBO, and SBCCI merge to form the International Code Council (ICC), with the explicit goal of replacing the three regional model codes with a single nationally applicable series. The ICC publishes its first codes in 1997; the International Building Code (IBC) follows in 2000. The ICC's professional credentialing program -- covering Residential Building Inspector, Commercial Building Inspector, Plans Examiner, and Building Official designations -- becomes the de facto national professional credential and begins to standardize entry requirements for building department hiring across jurisdictions.

Beat · 2020

The COVID-19 pandemic forces building departments across the United States to operationalize remote video inspection at scale in spring 2020. Previously treated as an exception for unusual circumstances, video inspection for qualifying low-risk milestones (insulation, fireblocking, strapping) becomes a permanent program option in most larger jurisdictions by 2022. The BLS cites the growing use of remote inspections as a primary driver of the projected employment decline for state and local government building inspectors over 2024-2034.

How to read this number

OEWS is a point-in-time survey snapshot, not a continuous time series; BLS advises against using it for year-over-year trend comparison.

Each dot is a cited figure over time; the dotted line only links them (values between aren't measured). Hollow dots are estimates.

Official statistic: Copied by a script from a statistics agency table or a published study's table, not retyped by hand. BLS figures and the forecast and exposure tables are also re-checked against that table on every data run. Researched context: Researched from the cited source rather than copied from it by a script, so it is not machine-checked yet. Spot a mistake? Each figure has a “Report an error” link.

Cited forecasts · present → 2035

Will AI replace building inspectors? What the research says

Each figure is stated by the named source; we publish no forecasts of our own. Where sources disagree, we show the disagreement rather than an average.

Each figure is stated by the named source; we publish no forecasts of our own. Where sources disagree, the spread is the honest signal.

What published forecasts say
Forecast change in the number of people doing this work, as published by each named source. Bars share one scale on every role, centred on zero and reaching the end at ±30%. Grey marks a small change, 3% or less either way.
BLS Employment Projections 2025-35
→ 2035
0%
BLS National Employment Matrix, 2025-35 cycle, line for SOC 47-4011 (Construction and building inspectors): 153.9 thousand jobs in 2025, projected 153.9 thousand in 2035, a change of 0.0 thousand (0.0%). Matrix employment counts all jobs in the occupation, including self-employed workers (3.3% of this occupation in 2025). The average for all occupations in this cycle is +3.5%.
Official statisticReport an error
How exposed is this work to AI (research measures)
Scores as published by each study. Each row says what it measures. These measure what AI could technically do, not forecasts of jobs lost.
Eloundou et al. (2023), "GPTs are GPTs"
2023 study · Share of tasks exposed to LLMs (β, human-rated)
13.8%
of tasks
What this measures

Published occupation-level exposure from the paper's occ_level.csv for O*NET-SOC 47-4011.00 Construction and Building Inspectors. Shown: human-rated β = 0.138, the share of the occupation's tasks an LLM could do in at least half the time at equal quality, counting tasks that need LLM-powered software at half weight (β = E1 + 0.5 × E2). Other published measures for this occupation: human-rated α (LLM alone) 0 and γ (all LLM-assisted) 0.276; GPT-4-rated β 0.241. This measures how much of the work an LLM could touch, not how many jobs disappear.

Official statisticReport an error
Today, in this role

What's changing day to day for building inspectors

Three parts of your work where AI is already doing real lifting, and what stays yours.

AI is sitting alongside you hereReview AI-flagged compliance issues surfaced by plan-review tools (CodeComply, CivCheck, PlanCheckPro) against ICC, NFPA, ADA, and local-amendment requirements

Review AI-flagged compliance issues surfaced by plan-review tools (CodeComply, CivCheck, PlanCheckPro) against ICC, NFPA, ADA, and local-amendment requirements; apply professional judgment to resolve ambiguous or complex violations; issue formal compliance rulings and correction comments for resubmittal.[5],[6],[7]

Where your edge is

Learn at least one AI plan-review platform used by your jurisdiction. Inspectors who can configure code-check rulesets and triage AI outputs are positioned to supervise junior reviewers and reduce permit backlogs -- a visible metric that determines staffing decisions in building departments.

AI is sitting alongside you hereIssue, track, and close construction permits in electronic permit-management systems (Tyler EnerGov, Accela)

Issue, track, and close construction permits in electronic permit-management systems (Tyler EnerGov, Accela); respond to contractor scheduling requests routed through AI voice agents; confirm inspection sequences and ensure prerequisite inspections are complete before allowing next-phase work to proceed.[8],[1]

Where your edge is

Become fluent in your jurisdiction's electronic permitting platform and the AI scheduling layer on top of it. Inspectors who understand the data model behind permitting workflows can move into permit-system administration or building-department IT liaison roles as departments digitize.

AI is sitting alongside you hereDocument inspection findings in structured digital reports, attaching geo-tagged photographs and referencing specific code sections for each violation

Document inspection findings in structured digital reports, attaching geo-tagged photographs and referencing specific code sections for each violation; review AI-generated report drafts from platforms like DroneDeploy Inspection AI for accuracy and completeness before signing and issuing to the permit holder.[9],[1]

Tools picking this up
Where your edge is

Shift from narrative memo-style reports to structured, code-cited digital formats that feed the building department's database. Reports that are queryable by violation type, address, and contractor become a quality-assurance tool for the department and a defense record for the inspector.

Where building inspectors go next

Natural next steps for someone with your foundation: not exits, evolutions.

What each move takes

A direction you could grow

Construction Managers

Construction and Building Inspectors accumulate deep knowledge of building codes, construction sequencing, contractor quality, and jurisdictional requirements -- all load-bearing inputs for construction management. The pivot requires adding project scheduling, budget management, and contract-administration skills on top of the code knowledge the inspector already holds. Inspectors who have worked on commercial projects and are familiar with Procore or similar platforms have the smallest skill gap.

What you'd add
· Project scheduling with CPM (Primavera P6 or Microsoft Project)
· Construction cost estimating and budget tracking
· Contract administration and subcontractor management
· Procore or equivalent construction management platform (field + office modules)
What it takesSome new skills to pick up
Tools of the era

How has the work of building inspectors changed since 1875?

The tools that defined the work, one line per era. Select an era to see how it reshaped the work.

  • Hand-drawn plans and field notebooks (pre-code-standardization era)

    The building inspector of the late 19th and early 20th century worked entirely from hand-drawn architectural and engineering drawings, a tape measure, a plumb bob, and personal knowledge of local building ordinances. There was no standardized code text that applied across jurisdictions; the inspector was, effectively, the code. Plan review meant physically unrolling large-format drawings and checking them against mental models of what the local ordinance required. Field inspection meant walking the site, probing materials, and making judgment calls with no formal appeals process and no documentation standard beyond handwritten field notes. The occupation's authority was highly personal and varied enormously from jurisdiction to jurisdiction.

  • Regional model codes (BOCA 1950, ICBO UBC 1927-era, SBCCI Southern Building Code)

    In 1950 BOCA published the BOCA Basic Building Code -- its first model code -- and within one year it had been adopted by fifty cities. The west had the ICBO's Uniform Building Code; the south used the SBCCI Standard Building Code. For the first time, building inspectors in a BOCA-adopting jurisdiction worked from a shared published text rather than a patchwork of local ordinances, and plan review began to mean comparing submissions against a codified standard rather than personal expertise. This regional-code era institutionalized the plan examiner as a distinct role (performing desk review of submitted drawings) alongside the field inspector (who visited the site). The three-code system was confusing for contractors who worked across regions and created arbitrage in lax-code jurisdictions, but it was a genuine professionalization step for the occupation.

    Effect on the work

    The adoption of model codes expanded building departments: cities that adopted BOCA, UBC, or the Southern Building Code needed staff who could read and apply a published text, making plan-review a trainable skill rather than purely an apprenticeship one. Building departments grew in proportion to construction volume throughout the 1950s-70s boom.

  • Electronic permit management software (early permitting platforms, AUTOCAD plan review)

    The mid-1980s brought the first generation of electronic permit-tracking software to larger building departments, replacing handwritten permit cards and manual log books. AutoCAD-drawn plans began arriving at building departments from architectural firms in the late 1980s, initially printed to paper but later submitted on disk or via FTP. For the inspector, the key change was administrative: permit workflows became trackable, inspection histories became searchable, and the record-keeping burden of a large department could be managed by fewer staff. This era also saw the first remote-accessible databases of code text, reducing the need to carry physical code volumes into the field. The tools were uneven in quality and adoption: small building departments in rural jurisdictions were still paper-based well into the 2000s.

  • International Codes (ICC I-Code series, 1997 first publication; IBC 2000)

    In 1994, BOCA, ICBO, and SBCCI merged to form the International Code Council. In 1997, the ICC published its first comprehensive International Codes series; the International Building Code (IBC) followed in 2000. For the first time in American history, a single model code series aspired to national adoption. By 2006 the IBC had been adopted by many states and the District of Columbia. For building inspectors, ICC unification was transformative: a contractor who moved from Georgia to Oregon now worked under a materially similar code framework, and an inspector who moved between jurisdictions could carry credentials that transferred. The ICC's certification program (Residential Building Inspector, Commercial Building Inspector, Plans Examiner) became the de facto professional credential, raising entry requirements and helping to shift the occupation from a patronage job to a licensed profession.

    Effect on the work

    ICC adoption increased plan-review workloads temporarily as jurisdictions trained staff on the new code series, then raised productivity by enabling shared training resources and reducing the jurisdiction-specific learning curve for new hires.

  • Cloud permitting platforms (Accela, Tyler EnerGov, OpenGov) and digital plan submission

    Accela Automation, Tyler EnerGov, and similar platforms replaced first-generation permit software in building departments through the 2000s and 2010s. These systems integrated permit issuance, inspection scheduling, fee calculation, contractor licensing, and violation tracking into a single workflow. Digital plan submission (PDF and DWG uploads via permit portals) eliminated the physical plan-room bottleneck in larger jurisdictions by 2010-2015. For inspectors, the practical effect was a shift in the administrative burden: the permitting platform became the central tool of the job rather than a supplementary record-keeping system. Inspectors used mobile tablets to access permit records in the field, photograph defects, and close inspections without returning to the building department. The "7am phone rush" for inspection scheduling -- contractors lining up to book the next-day slot -- persisted into this era as the scheduling function remained manual.

  • Remote video inspection (COVID accelerant, smartphone and tablet-based live review)

    Remote video inspection existed in limited form before 2020 but was treated as an exception rather than a standard pathway. The COVID-19 pandemic forced building departments to operationalize video inspection at scale in spring 2020: inspectors reviewed live contractor-submitted video feeds for qualifying low-risk milestones (insulation, fireblocking, strapping, anchor bolting) rather than visiting in person. By 2022, most larger jurisdictions had retained remote inspection as a permanent option for appropriate scope items. For the occupation, remote inspection was the first technology to let a single inspector serve more inspections per day (by eliminating drive time between sites), and the first to reduce the geographic constraint on where an inspector could work. The BLS explicitly cites the increased use of remote inspections as a driver of projected employment decline in state and local government.

    Effect on the work

    BLS projects that remote inspection is reducing the need for inspectors in state and local government for qualifying scope items, contributing to the employment decline projected for 2024-2034. The magnitude is modest in the near term but is expected to compound as video-review technology and inspector familiarity improve.

  • AI plan review and inspection AI (CodeComply, CivCheck/Clariti, DroneDeploy Inspection AI, BetaQuick)

    A cohort of AI platforms arrived in building departments from 2022 onward that, for the first time, could read construction drawings and flag potential code violations without a human scanning every line. CodeComply checks submissions against ICC, NFPA, ADA, and local amendments; CivCheck (now a Clariti company) has allowed experienced plan reviewers to complete a few reviews in minutes versus the typical a few hours. BetaQuick's Morgan AI voice agent books, reschedules, and cancels inspection appointments 24/7 through Accela, Tyler EnerGov, or CityView, handling 70-85% of requests without staff involvement. DroneDeploy Inspection AI automates asset tagging and defect flagging in drone footage of rooftops, facades, and bridge decks. These tools do not replace the licensed inspector's binding code-compliance ruling -- every platform explicitly disclaims the authority to make that decision -- but they compress the routine work that has historically consumed most an inspector's time, concentrating the role on the judgment-intensive interpretive work that AI cannot resolve. The University of Florida AutoReview.AI pilot at Altamonte Springs, Florida compressed multi-week plan reviews to minutes for standard residential submissions.

    Effect on the work

    Early adopters report reduction in time per routine plan review.

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Construction and Building Inspectors employment and pay by year

On record since1875
Latest US employment146,720 (May 2025)Source: BLS OEWS May 2025Official statisticReport an error
Latest US median pay$74,690 (May 2025)Source: BLS OEWS May 2025Official statisticReport an error
Outlook+0% by 2035Source: BLS Employment Projections 2025-35Official statisticReport an error

In other countries

The latest figure each country's statistics agency publishes for this job. Each uses its own occupation definition, survey basis and currency, so the numbers are not directly comparable with each other or with the US figures.

  • Canada (NOC 22233)

    Employment, 2020
    15,620, Statistics Canada Census 2021 Official statistic Report an errorStatistics Canada Census of Population 2021: number of persons with employment income in NOC 22233 Construction inspectors, Canada, reference year 2020. A recipients basis (anyone with employment income during the year), slightly broader than a point-in-time employed count. Statistics Canada Open Licence.
    Median pay, 2020
    C$77,000, Statistics Canada Census 2021 Official statistic Report an errorStatistics Canada Census of Population 2021 (Table 98-10-0586): median employment income for NOC 22233 Construction inspectors, Canada, reference year 2020, full-year full-time workers (the basis comparable to the US OEWS full-time median). Statistics Canada Open Licence.
View all 27 years of cited US data, each linked to its source
YearUS employmentAnnual pay (median unless marked)SourceReport
195038,000n/aEst., Avelar Researched contextReport
1960n/a$5,200Est., University of Missouri Libraries Researched contextReport
198060,000n/aEst., IPUMS USA Researched contextReport
200068,690$38,750BLS OEWS 2000 Official statisticReport
200379,720$42,650BLS OEWS May 2003 Official statisticReport
200482,690$43,670BLS OEWS May 2004 Official statisticReport
200587,820$44,720BLS OEWS May 2005 Official statisticReport
200696,630$46,570BLS OEWS May 2006 Official statisticReport
200795,890$48,330BLS OEWS May 2007 Official statisticReport
200896,000$50,180BLS OEWS May 2008 Official statisticReport
200990,730$51,530BLS OEWS May 2009 Official statisticReport
201089,270$52,360BLS OEWS May 2010 Official statisticReport
201189,620$53,180BLS OEWS May 2011 Official statisticReport
201289,280$53,450BLS OEWS May 2012 Official statisticReport
201387,620$54,450BLS OEWS May 2013 Official statisticReport
201488,410$56,040BLS OEWS May 2014 Official statisticReport
201591,480$57,340BLS OEWS May 2015 Official statisticReport
201694,960$58,480BLS OEWS May 2016 Official statisticReport
201798,810$59,090BLS OEWS May 2017 Official statisticReport
2018104,090$59,700BLS OEWS May 2018 Official statisticReport
2019110,420$60,710BLS OEWS May 2019 Official statisticReport
2020113,770$62,860BLS OEWS May 2020 Official statisticReport
2021117,830$61,640BLS OEWS May 2021 Official statisticReport
2022128,950$64,480BLS OEWS May 2022 Official statisticReport
2023133,640$67,700BLS OEWS May 2023 Official statisticReport
2024137,210$72,120BLS OEWS May 2024 Official statisticReport
2025146,720$74,690BLS OEWS May 2025 Official statisticReport
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