How much does a Automatic Door Inspection Service cost to buy?

A typical Automatic Door Inspection Service sells for 2x to 4.3x seller's discretionary earnings. With estimated SDE of $177K, expect to pay roughly $354K to $760K before adjustments for assets, debt, growth, and local market quality.

How much does it cost to start a Automatic Door Inspection Service?

Startup costs range from $25K to $180K depending on location, equipment, and scale.

Service

Automatic Door Inspection Service

Q: What are the profit margins for a Automatic Door Inspection Service?

The average profit margin for a Automatic Door Inspection Service is around 34%. Costs include certification, test tools, common sensors and hardware, service vans, insurance, dispatch software, and trained technicians. Margins improve with preventive contracts that reduce emergency-only visits.

Every grocery store entrance is a tiny safety machine that needs documented checks

Bottom line

Worth studying, but do not buy without strong local proof.

Automatic door inspection services perform safety checks, annual AAADM-style inspections, sensor tests, compliance documentation, and light repairs for sliding, swinging, and revolving automatic doors at grocery stores, hospitals, airports, hotels, schools, and office buildings. The boring economics come from liability: a malfunctioning entrance door can injure customers, violate accessibility expectations, and shut down a high-traffic entrance.

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Acquisition score

Margin · multiple · SBA data

65Strong

Avg revenue

$520K/yr

$160K–$1.6M range

Profit margin

34%

~$177K SDE

Multiple

2–4.3×

of SDE

Est. buy price

$354K–$760K

startup: $25K–$180K

How It Works

Certified technicians inspect operators, guide rails, sensors, mats, activation zones, closing force, signage, daily safety-check procedures, and owner documentation. Revenue comes from annual inspections, preventive maintenance contracts, callback repairs, parts replacement, sensor upgrades, and portfolio programs for retailers or healthcare systems.

BizBite verdict

Worth underwriting

Automatic Door Inspection Service maps to the Automatic Door Inspection Service model. The category can work for acquisition buyers, but the right answer depends on source freshness, verified economics, and the specific red flags below.

65Strong

medium data confidence · 60/100medium financing fit

Why it may work

+Attractive 34% estimated margin profile
+5 clear operating upside levers identified

Be careful

!Source link status has not been verified yet
!No last-checked date yet
!No SBA category enrichment yet

Category operating model

Automatic Door Inspection Service

medium labor

low capex

medium owner

Revenue drivers

• Annual door-by-door inspection contracts
• Preventive-maintenance visits
• Deficiency repair and sensor/operator parts
• Portfolio facilities accounts
• Dense technician routes

Key risks

• Seller is sole certified technician
• Door counts are not documented
• Parts/warranty leakage
• One retailer dominates
• Local requirements are overstated

What you need to believe

The door inventory creates renewal revenue.
Technicians and records transfer.
Repair margin survives returns.
Accounts are diversified.

Unit economics

How one unit makes money

Modeled per one qualified technician on a dense commercial route. Every line shows its arithmetic — rebuild any number yourself.

Revenue build-up

Line	Low	Base	High
Inspection and PM contracts3,000-10,000 doors/year × $35-$70 inspection/record fee	$180K	$340K	$700K
Repair and parts work3-8 scoped repairs/week × $400-$1,700 realized ticket × 48 weeks	$60K	$180K	$650K

Where it goes — cost structure

Technician labor and certification25–38%
Qualified field capacity is the binding constraint.
Parts, freight, returns and warranty10–24%
A sensor markup is not margin after repeat visits.
Van, tools, insurance and training6–12%
Safety tools and liability cover are productive cost.
Dispatch, reporting and admin6–12%
Door records make renewal transferable.

SDE margin · low

28%

SDE margin · base

34%

SDE margin · high

42%

What actually swings the deal

Doors inspected per day
±20 doors/day at $45 over 200 days is ±$180K revenue; access and reporting decide whether it is real.
Repair margin
Ten points on $180K repair revenue changes SDE by about $18K.
Portfolio retention
A $100K facilities account lost at renewal removes material route density.

Benchmarks to memorize

Profile midpoint$520K × 34% = $176.8K SDE

Profile multiple2.0-4.3× SDE

Safety inspection contextAAADM promotes annual certified inspections

The ceiling

At 20 doors per day a technician completes about 4,000 annual inspections before access, reporting, travel, and repairs consume the calendar; a $520K business needs dense campuses, repair work, or more than one technician.

Market analysis

Who owns these & where demand comes from

Independent specialists, commercial-door firms, and national entrance providers compete. High-traffic facilities buy uptime and documented safety records rather than a one-off door visit.

Tailwinds

↗ Digital asset records
↗ Portfolio contracts
↗ Repair attach rates

Headwinds

↘ National providers
↘ Access delays
↘ Technician scarcity

Demand drivers

Retail, hospital, hotel, school and airport traffic
Annual safety inspection practices
Sensor/operator wear
Portfolio facilities management

Regulation

AAADM inspection guidance is influential, while enforceable building, accessibility, and local requirements depend on jurisdiction and site. Confirm scope locally.

Who you bid against

Door dealers, facilities firms, and technical searchers bid for dense recurring routes.

Competitive advantage

What protects the good ones

strongDoor-level records
Asset histories and next-due dates make switching visible.
strongCertified technician capability
Facilities buy defensible safety work, not generic labor.
moderatePortfolio route density
Access and travel cost fall across a campus.
moderateParts knowledge
First-visit completion protects uptime.

Who wins — and who loses

The winner owns the door inventory, books whole portfolios before due dates, and prices the repair after the inspection. The loser underbids a per-door check, waits for access, and gives away the return visit.

How this niche degrades

↘ National door providers can bundle accounts
↘ Facility portfolios can rebid together
↘ Technician scarcity limits growth
↘ Local code interpretation varies

Consolidation status

A fragmented specialist niche beside commercial-door and facilities service; the transferable asset is the documented annual route.

Valuation framework

How these actually get priced

Value normalized SDE, not door count or gross parts sales. The profile range is 2.0-4.3× SDE; documented recurring door inventories and non-owner certified capacity earn the premium.

Basis: SDE

What moves the multiple

▲ PremiumWritten multi-site contracts
They make the calendar visible.
▲ PremiumRetained certified lead
It reduces transition risk.
▼ DiscountSeller-only reports
Replace the capability before valuing it.
▼ DiscountWarranty and parts leakage
Normalize repeat visits.

Worked example

$520K revenue × 34% margin = $176.8K SDE. At 2.0-4.3×, value is $353.6K-$760.2K. The upper end needs assigned portfolio contracts, usable door records, and retained qualified technicians.

Common buyer mistakes

✕ Multiplying claimed door counts without records
✕ Treating repairs as free inspection add-ons
✕ Ignoring access time
✕ Adding back the certified seller without replacement

Deal Calculator

Priced off $177K SDE — can this deal service its own debt?

2.29×

DSCR · Lender-comfortable

Purchase multiple — 3.0× SDE ($530K)

Category range: 2×–4.3× SDE

Down payment — 10% ($53K)

SBA minimum equity injection is 10% for change-of-ownership

Interest rate — 10.50%

Typical SBA 7(a) range: 9.5–12% (prime-based)

Loan term — 10 years

Standard SBA 7(a): 10 years for business acquisition

Purchase price

$530K

3.0× of $177K SDE

Cash to close

$69K

$53K down + ~3% closing

Debt service

$6K/mo

$77K/yr on $477K loan

Cash-on-cash

145%

cash back in ~9 mo

Debt service coverage · what the lender sees

2.29×+$8K/mo after debt

Most SBA lenders want ≥1.25× coverage; 1.5×+ is a strong file.

SDE = revenue × margin estimate for this niche; it includes owner compensation, so budget your salary out of cash flow. Excludes working-capital injection, capex reserves, and taxes. Actual SBA terms vary by lender and borrower.

Due diligence checklist

Before you sign anything

01
Export door-level records, site, fee, due date, inspection, repair, parts, callback, and invoice.
Tests the inspection-volume and renewal model.
Red flagNo usable door inventory exists.
02
Reconcile top accounts to contracts, door counts, renewal, assignment, and contacts.
Tests portfolio retention.
Red flagAnnual work is only a handshake.
03
Shadow route access, inspections, reports, and repairs.
Tests capacity ceiling.
Red flagAccess delays invalidate output assumptions.
04
Verify certifications, training, insurance, and seller-free coverage.
Tests transferable capability.
Red flagOnly seller can sign or diagnose.
05
Audit fifty repairs through parts, return, warranty, and collection.
Tests repair-margin sensitivity.
Red flagNo callback tracking.

Pros

+Annual inspection norms and daily safety checks support repeat revenue
+High-traffic commercial customers value uptime
+Parts and repair work lift ticket size
+Can be bolted onto commercial door, glass, or facilities service companies

Cons

-Certification, liability, and code knowledge matter
-Emergency callbacks can disrupt schedules
-Large national door companies compete for enterprise accounts

Best For

Commercial door technicians, glass contractors, facility service buyers, and operators comfortable with safety-sensitive B2B work

Operating Costs

Costs include certification, test tools, common sensors and hardware, service vans, insurance, dispatch software, and trained technicians. Margins improve with preventive contracts that reduce emergency-only visits.