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Bay State Remodeling

Design-build remodeler serving Greater Boston. Kitchens, bathrooms, whole-home renovations, and additions — one project lead from design through Completion.

A Bay State Holdings Group company. Our design showroom is Bay State Kitchen Gallery in Waltham — same company, one contract, no handoffs.

Bay State Holdings Group

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Boston, MA 02135
(617) 397-5158
info@baystateremodeling.com
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HIC #169948 · CSL CS-110634 — Greater Boston service area. Consultations by appointment.Staff
    ← All resourcesUltimate Guide · 14 min read

    Ultimate Bathroom Remodeling Guide — Greater Boston

    A Bay State Remodeling bathroom remodel runs through four locked phases — Sales Phase, Design & Planning, Procurement, and Construction — with on-site work taking 40 to 45 business days plus a 5 to 10 day rough inspection wait. Eighteen mandatory scope items are bundled into the base, with conditional and optional add-ons itemized line-by-line on the Preliminary Proposal.

    Pricing ranges

    Bay State Remodeling uses a fixed Cost Calculator for bathrooms. The anchor price is the smallest version of the service — under 50 sq ft in a single-family home — at $30,000. Property type and size modifiers scale that anchor up. Every number on this page is the calculator anchor; final price is confirmed in your Preliminary Proposal after on-site consultation.

    Calculated final cost grid (Part 3 of source guide)
    Property typeSmall (<50 sq ft)Medium (50–100 sq ft)Large (100+ sq ft)
    Single-family home$30,000$33,000$36,000
    Multi-family / townhouse$31,500$34,650$37,800
    Condo / apartment in a building$33,000$36,300$39,600

    Final base cost = base × (1 + property-type %) × (1 + size-tier %). Property-type modifiers: single-family 0 percent, multi-family / townhouse +5 percent (shared access complexity), condo / apartment +10 percent (elevator, HOA, restricted logistics). Size-tier modifiers: small 0 percent, medium +10 percent, large +20 percent.

    Conditional items (added by Cost Calculator answers)

    ItemCost addedTrigger
    Remediation services+$2,500Mold, asbestos, or lead paint present or suspected
    Engineering services+$3,500Removing a load-bearing wall
    Framing — structural+$1,500Pairs with engineering services
    Window installation+$500Replacing or adding a window
    Siding / exterior trim repair+$500Pairs with window installation
    Door installation (interior)+$500Replacing or adding an interior door
    Plumbing — second sink / double vanity+$2,000Double vanity or second sink in scope

    Optional upgrades

    ItemCost
    Radiant heat mat (Warmup)+$1,500
    Heated towel warmer+$1,000
    Lighted mirror or defogger+$350
    Under-vanity / accent lighting+$750
    Hydronic / toe-kick heater+$2,000
    Jacuzzi / whirlpool tub or steam shower+$2,000

    Process narrative

    The Bay State Remodeling bathroom project flow uses four phases — Sales, Design & Planning, Procurement, and Construction. Eight client-visible milestones bridge the phases.

    Eight client-visible milestones

    1. Consultation Scheduled — Sales Phase first contact plus pre-meeting questionnaire.
    2. Site Measurement & Design Consultation — on-site visit; written estimate within 2-3 business days.
    3. Material Selection Process — Part A on-site measuring and take-off; Part B finish selections at the Bay State Kitchen Gallery showroom and vendor partner showrooms.
    4. Layout Development & Design Development & Presentation — proposed plan with 3D renderings; client feedback incorporated.
    5. Design & Planning Summary Meeting — final design review with site access, working hours, dust control, and communication preferences confirmed; followed by the Design & Planning Completion Gate.
    6. Permit Preparation & Submission — Bay State handles all permit applications; copies provided to the client.
    7. Project Mobilization & Execution Phase — crew arrives, demolition, Post-Demolition Review & Decision Gate, dependency-driven execution.
    8. Final Completion Walkthrough — Punch List Completion, Project Completion & Satisfaction Form, Review Request & Referral Request.

    On-site construction timeline (40 to 45 business days)

    StagePhase noteEstimated business days
    DemolitionConstruction phase2
    Framing — structural (if needed)Conditional3
    Plumbing — rough-inBefore walls close2
    Electrical — rough-inBefore walls close2
    HVACIf applicable1
    Insulation + tile substrate prep & waterproofingAfter rough-ins, before drywall2
    DrywallAfter rough-ins and insulation3
    Rough inspections (waiting period)Mid-construction milestone5–10
    Painting & wall finishesFinish phase2
    Tile — floor and wet-area tileFinish phase5
    Cabinet, countertop, trim & millwork installFinish phase2
    Plumbing — finish phaseAfter tile and cabinets2
    Glazing & mirrors (late-stage)Subject to fabrication lead time2
    Accessories + electrical finishFinal finish phase1
    Site cleaning + final touchesProject completion1
    Permits & inspections — final inspection & handoverProject completion1

    What's included (scope)

    Eighteen mandatory items bundle into the base cost. Here is what's included.

    1. Interior design services — floor plans, elevations, 3D renderings, finish specification schedule.
    2. Permits & inspections — building, plumbing, electrical, mechanical.
    3. Waste disposal — dumpsters, hauling.
    4. General materials — lumber, fasteners, connectors, adhesives, sealants.
    5. General conditions & site management — protection, supervision, mobilization through demobilization.
    6. Demolition (selective interior) — drywall, tile, plaster, fixtures, lighting, hardware, accessories, trim, millwork.
    7. Site cleaning — final cleanup, dust and debris removal.
    8. Framing installation — selective framing modifications, 2x4 at 16 in. on center, blocking for grab bars and wall-hung vanities.
    9. Electrical installation — switches, recessed lighting, wall fixture, exhaust fan, GFCI, outlets per NEC and local building department requirements.
    10. Plumbing installation — water/drain lines, toilet, sink/vanity basin, shower/bathtub plumbing standard.
    11. HVAC installation — bathroom exhaust fan with exterior termination per Massachusetts Mechanical Code.
    12. Insulation installation — faced fiberglass batt plus spray foam at penetrations per Massachusetts Energy Code.
    13. Drywall installation — moisture-resistant assemblies in wet areas.
    14. Painting & wall finishes — two coats interior-grade paint on walls, ceilings, trim, doors.
    15. Trim & millwork installation — base molding, door casing, window casing.
    16. Cabinet installation — base and wall cabinets at proper height, scribed, hardware aligned.
    17. Tile installation — substrate prep and waterproofing (Schluter or RedGard), floor tile, shower wall, tub surround.
    18. Countertop installation — measurement, fabrication coordination, sealant at edges and backsplash.

    Materials guidance

    The guide uses a Two-Source Model for finish selections rather than a Good / Better / Best tier framework. Source 1 — Our Projects: real completed Bay State bathrooms with actual SKUs and project costs. Source 2 — Our Catalogue: a curated vendor library spanning tile, plumbing, vanities, countertops, glazing, hardware, lighting, doors, and windows.

    Vendor catalogue — the lines we specify

    • —Tile & stone: The Tile Shop, Porcelanosa, Dal-Tile, MSI, Bedrosians
    • —Plumbing fixtures: Kohler, Moen, Delta, Grohe, American Standard, TOTO
    • —Bathroom vanities: Fabuwood, BERTCH, Strasser, James Martin, Kohler, IKEA (Godmorgon)
    • —Countertops: Silestone (Cosentino), Dekton (Cosentino), Caesarstone, Cambria, MSI Quartz, Calacatta Gold marble
    • —Glazing & mirrors: Coastal Shower Doors, DreamLine, Kohler, Robern, Frameless Hardware Co.
    • —Cabinet hardware: Top Knobs, Amerock, Atlas Homewares, Liberty Hardware, Jeffrey Alexander
    • —Electrical fixtures: Kohler, Moen, Progress Lighting, Kichler, Visual Comfort, Lutron
    • —Doors (conditional): JELD-WEN, Masonite, TruStile, Simpson Door, Colonial Elegance
    • —Windows (conditional): Pella, Andersen, Marvin, JELD-WEN, Harvey Building Products

    Sample fixed-price points

    • —Tile: $8.99/sq ft fixed, or $6 to $18/sq ft range
    • —Kohler K-98068-4-SN faucet — $485
    • —Kohler Artifacts Series faucets — $320 to $780
    • —BERTCH 24 in. Alden Paint White vanity — $1,240
    • —Fabuwood Allure 36 in. vanities — $900 to $1,800
    • —Silestone Calacatta Gold 3 cm — $78/sq ft
    • —Dekton collection — $65 to $120/sq ft
    • —DreamLine Unidoor 48 in. frameless — $680
    • —Custom frameless enclosures — $800 to $2,400
    • —Top Knobs Ascendra 24 in. towel bar Flat Black — $98
    • —Moen YB6462BL Belfield 2-light — $148
    • —JELD-WEN 32 in. 6-panel hollow-core door — $185
    • —TruStile solid-core MDF doors — $380 to $950
    • —Pella 250 Series double-hung 32x54 in. — $420
    • —Andersen 400 Series casement — $580 to $1,200

    Photo placement (from the source guide)

    Cover hero — completed Bay State bathroomCOVER_HERO_IMAGE — best completed bathroom, landscape preferred.
    Showroom interiorIMG_SHOWROOM — Bay State Kitchen Gallery showroom with materials and displays.
    Construction in progressIMG_CONSTRUCTION_IN_PROGRESS — BSR crew on site, mid-build.
    Completed revealIMG_COMPLETED_BATHROOM — final reveal at the Final Completion Walkthrough.

    Frequently asked

    How do I check that the contractor on my permit is actually the company I hired?

    Compare the name of the license holder on the permit with the company you have hired and ask for proof of their relationship. Choosing a remodeling company that holds both its own Construction Supervisor License and Home Improvement Contractor (HIC) registration ensures accountability. Cross-check registrations on the official Massachusetts state websites.

    What insurance should my bathroom remodeler carry?

    At minimum: general liability insurance and workers compensation. The Massachusetts mandatory minimum for HIC registration is $100,000 per occurrence / $300,000 aggregate commercial general liability. Always request a Certificate of Insurance issued directly from the insurance provider — not a photocopy.

    What permits will my bathroom remodel need?

    A full bathroom remodel involving multiple trades requires building plus trade permits (Short or Long Form depending on structure). Plumbing rough-in and finish, electrical rough-in and finish, and HVAC each require their own permits. Cosmetic-only updates with no system changes typically do not require permits.

    How long does a bathroom remodel take?

    40 to 45 business days of on-site construction, including a 5 to 10 day rough inspection waiting period. This excludes Design & Planning, pre-construction prep, and procurement lead times.

    Why does glazing and mirrors come at the end?

    Custom shower glass enclosures and mirrors are measured and fabricated only after tile work is complete, as dimensions cannot be confirmed before tile installation. They are subject to additional fabrication lead time but will not delay bathroom use upon main construction completion.

    What happens if something unexpected is found during demolition?

    Following demolition, Bay State Remodeling performs the Post-Demolition Review & Decision Gate — we take a close look at what has been uncovered and compare it to the agreed project scope. If anything unexpected comes up, we discuss it with you openly, present a change order if needed, and get your approval before doing anything additional. No surprises.

    Will the price quoted be the final price?

    Any scope adjustments identified during design development are presented in the Final Proposal — line by line, so you see exactly what changed and why.

    Ready to put this into practice?

    A 30-minute consult is usually enough to confirm whether we are the right fit.

    Book a consult

    Related

    • Ultimate Guide

      Ultimate Attic Remodeling Guide — Greater Boston

    • Ultimate Guide

      Ultimate Basement Remodeling Guide — Greater Boston

    • Ultimate Guide

      Ultimate Whole-House Remodeling Guide — Greater Boston