How to Start a Deck Building Business

Deck building sits in one of the more profitable corners of residential construction. A typical 300-400 sq ft pressure-treated deck runs $15,000 to $35,000 installed, and a composite or PVC deck on a tall house can easily exceed $60,000-$80,000 — but the project length is short enough that a single two-person crew can finish 25-40 decks in a season. That combination of strong ticket size and fast cycle time is why a well-run solo deck builder typically does $250K-$450K in revenue in year one or two, and a two-crew operation in a strong market clears $700K-$1.4M with reasonable margins.

What success looks like in year one: 18-25 completed decks, an average ticket of $22K-$32K, gross margins of 30-40% before owner pay, and a backlog of 6-10 weeks heading into late spring. The owner is on every job for at least the framing and ledger phases, runs estimates two evenings a week, and is moving from word-of-mouth to a Google Business Profile that converts because the photo set is real.

The builders who fail in year one almost always fail for one of three reasons: they underprice on the first ten jobs because they did not know their true cost per labor hour, they get cash-flow squeezed buying composite material upfront without deposits collected, or they take on a complex multi-level deck before they have the framing reps to estimate it accurately.

If you have not personally built decks for two to three full seasons under another contractor, do not start a deck company yet. Decks are skill-dependent: ledger flashing, post footings to frost depth, beam-to-post hardware selection, joist hangers, stair stringer math, and railing post anchoring are all places where a beginner produces work that fails inspection or fails in five years. The reading material exists — the IRC R507 deck code section, the AWC DCA-6 prescriptive deck guide, and the Simpson Strong-Tie deck connector catalog — but reading is not a substitute for swinging the hammer.

Licensing varies dramatically by state. California, Florida, Arizona, Nevada, North Carolina, and Virginia require a state contractor license once a project exceeds a threshold ($500-$5,000 typically), with exam, experience verification, and bond requirements. Texas, Pennsylvania, Ohio, and Indiana have no state-level general contractor license but most municipalities require local registration plus a permit per deck. New Jersey requires Home Improvement Contractor registration ($110/year). Lead-safe certification (EPA RRP) is required if any decks involve cutting or drilling pre-1978 painted surfaces — $300 course plus annual firm fee.

The permit reality matters for pricing. Most jurisdictions require a permit on any deck over 30 inches above grade, and the permit cost runs $150-$600 plus plan-review fees. Inspections typically include footing, framing, and final. Build permit fees into every quote and never offer to skip the permit — the homeowner who later sells the house with an unpermitted deck has a problem the builder inherits through reputation.

Form a single-member LLC in the state where you will operate. Filing fees range from $40 (Kentucky) to $500 (Massachusetts). Get an EIN from the IRS (free, takes 10 minutes online). Open a dedicated business checking account before you accept the first deposit — commingling funds is the fastest way to lose LLC liability protection. Most deck builders elect S-corp tax treatment once net profit clears $60K-$80K to reduce self-employment tax, but stay as a default LLC in year one until you know your numbers.

Insurance is non-negotiable and most homeowners and HOAs will request a Certificate of Insurance before signing. Here is what you actually need:

Sales tax handling depends on the state. In a contractor-tax state (most of them), the deck builder pays sales tax on materials at the point of purchase and the labor portion is non-taxable; the customer is invoiced a single labor + materials line. In a few states (Hawaii, New Mexico, South Dakota, West Virginia) the entire contract is taxable to the customer at the gross-receipts rate. Get a quick consult with a CPA familiar with construction in your state — $300 well spent.

Decks price on a per-square-foot installed basis with adjustments for height, complexity, and railing/stair quantity. The 2026 ranges:

Pressure-treated, ground level, basic railing: $40-$55/sq ft installed. A 16x12 (192 sq ft) is $7,700-$10,500.

Pressure-treated, elevated with stairs: $50-$65/sq ft. Same 192 sq ft at 8-10 ft is $9,600-$12,500.

Composite (Trex, TimberTech, AZEK) with composite railing: $65-$90/sq ft. A 300 sq ft composite deck is $19,500-$27,000.

Premium PVC or capped composite with cable, glass, or aluminum railing: $85-$130+/sq ft. Multi-level or wraparound jobs easily exceed $60K-$100K.

The trap that kills new deck builders is forgetting that stairs, railings, picture frames, fascia, and post wraps cost more per square foot than the field. A 12-stair run with composite treads and 6 composite railing posts adds $4,000-$6,000 in materials and 1.5-2 days of labor that is invisible on the deck plan view. Build a line-item estimate underneath every per-sq-ft quote until you have 30 jobs of data.

For labor, target a fully-loaded crew cost of $90-$140/hour for a 2-person crew. A 300 sq ft composite deck takes 6-9 working days (96-144 hours, $8,600-$20,200 in labor). Add materials at $7,000-$12,000 and overhead at 10-15% to land at the $19K-$27K quote range above.

Year-one client acquisition runs in this order of effectiveness:

Referrals from completed jobs. Every signed customer should yield 1-2 referrals if you ask. Hand them three magnetic business cards at final walkthrough with a $200 referral credit offer. Cost-per-acquired-job is essentially zero; jobs close at 60-80% from quote.

Google Business Profile (GMB). A photo-rich GMB with 25+ five-star reviews is the highest-ROI asset a residential trades business owns. Photograph every completed deck (wide, railing detail, stair detail, ledger detail). Post weekly. Ask for reviews by SMS within 24 hours — converts 3-5x better than email.

Builder and remodeler relationships. Custom builders and remodelers don't want to manage decks but their clients keep asking. 2-3 local relationships are worth $80K-$200K of revenue per year. Visit their job trailers with a printed portfolio.

Real estate agent referrals. Listings with tired decks need refresh before market. A single active listing agent can be worth 8-15 jobs per year. A flyer with before/after photos is enough.

Paid ads. Google Local Services Ads and Search ads work but are competitive. Expect $40-$120 cost-per-lead and a 15-30% quote-to-close rate for the first 90 days while review density builds.

The single biggest mistake new deck builders make on the operations side is running the business out of a phone, a notebook, and a QuickBooks account. By job 15 you cannot remember which customer signed which estimate, which deposit was collected, which permit was pulled, and what the change order conversation said. The fix is an operations stack you set up in week one and grow into.

The minimum viable stack:

A CRM for the lead and customer record. Every inquiry from GMB, the website, or a referral lands in one place with notes, photos of the existing deck (if any), and the estimate history.

An estimate and contract tool with e-signature. Customers expect a same-day or next-day digital quote. Paper estimates lose to digital ones at a 2:1 close rate.

A scheduling and dispatch tool. Once you have a crew, the schedule is the business. A shared calendar with job start/end, materials delivery dates, and inspection appointments is the difference between a 6-day deck and a 10-day deck.

An invoicing and deposit collection tool. Decks should be billed at deposit (33%), framing complete (33%), and final (34%). Float a $20K materials run on a credit card for two weeks and you will lose the equivalent of a job's profit to interest.

A document/permit and warranty tool. Permit copies, ledger flashing photos, footing-inspection sign-offs, and final-warranty certificates need to live somewhere they can be found two years later when a homeowner emails about a popped fastener.

Deelo is the only platform built for trades that combines all five of those operations functions in one place at $19/seat/month. The CRM holds the customer record with photos of the existing deck and the estimate history. The Estimates and ESign apps generate a polished quote, capture the deposit, and create the signed contract. The Field Service app schedules the crew and the materials delivery, with a route view if you are running multiple crews. The Invoicing app handles progress draws with a single click and supports ACH and card capture. The Docs app stores permits, inspection photos, and warranty certificates per job, searchable by customer name two years later.

The Automation app fires the unsexy but margin-saving workflows: a deposit request 24 hours after a quote is signed, a materials-order checklist when the deposit is paid, a customer SMS the morning the crew arrives, a review request 48 hours after final walkthrough. None of those are individually worth a separate tool; together they are the difference between an organized deck builder and a disorganized one.

For a 2-person deck operation (owner + 1 carpenter), Deelo is $38/month. Compared to running QuickBooks ($50/mo) + Jobber Connect ($129/mo) + DocuSign ($15/mo) + Google Workspace ($14/mo), the all-in-one stack is roughly one-fifth the cost while giving you CRM and automation those tools do not include.