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Tenant improvement is not miniature ground-up construction with prettier renderings; it is constrained surgery inside someone else's asset. You inherit slab slopes, shaft sizes, and base-building MEP that were never sized for your sales floor density or kitchen exhaust load. Our TI teams translate work letters, allowances, and landlord standards into sequenced trade packages so pricing matches what inspectors will actually see in the ceiling, not what the test fit assumed on paper. When brokers need a defensible opening date, we keep the narrative on facts: submittal clocks, landlord signoffs, after-hours noise budgets, and progressive punch that does not balloon because we catch conflicts while drywall is still cheap to move.

TI velocity with guardrails
Landlord rules · after-hours
If your TI has more stakeholders than square feet—landlord PM, tenant PM, architect, brand, IT, security—you need a GC who can keep one coherent story without hiding bad news behind jargon. We do.
Allowance letters look boring until a missing grease interceptor path eats six weeks. We treat work letter exhibits, insurance certificates, and base-building repair obligations as load-bearing schedule inputs. That discipline keeps landlord delays, security rules, and brand-standard conflicts from becoming surprise critical-path events the week furniture is supposed to install.
We document existing conditions, base building capacities, and neighbor sensitivities, then lock corridor protection and dust plans before demo earns complaints.
Doors, glazing, switchgear, and specialty ceilings get released against a real submittal clock tied to rough-in completion, not wishful thinking.
We punch by system and by zone so inspections are rehearsals, not first performances, and your IT and security vendors get clean ceilings to work above.
Our PMs carry enough legal literacy to respect contracts and enough field literacy to know when a detail is unbuildable. That combination keeps RFIs from becoming personality conflicts.
We keep a single narrative for ownership: what is done, what is at risk, and what decision unlocks the next ten days. That clarity is how brokers keep sending deals.
Work letters, allowances, and noisy scopes translated into trade packages brokers can defend.
Office build-outs balance human experience with infrastructure reality: lighting quality, acoustic privacy, density of power and data, and code-compliant paths that still feel generous.
Retail build-outs translate brand books into millwork tolerances, lighting CRI, fixture schedules, and opening-week logistics that survive real customers, not just photoshoots.
Restaurant build-outs marry kitchen engineering with dining room craft: hood exhaust, make-up air, grease separation, walk-in refrigeration, and health department logic that cannot be improvised in the last week.
Send your test fit, work letter, and target occupancy. We will return a phasing sketch and a risk list, not a generic brochure. (800) 578-4260 or info@hbmconstruction.com.
Get your free consultation today and let's bring your vision to life with professional expertise you can trust.