Professional Commercial Janitorial Services

What We Do

From nightly office janitorial to post-construction cleanups, Heritage provides commercial cleaning solutions tailored to your facility, your schedule, and your standards.

Full-Spectrum
Facility Services

Routine Office Janitorial

Nightly, weekly, and bi-weekly janitorial programs for commercial offices from 500 to 50,000 sq ft across the Seattle metro area.

Medical & Dental Office Cleaning

Infection-control-standard sanitation for clinics, dental offices, and specialty medical practices — compliant with health facility requirements.

Post-Construction Cleanup

Full debris removal, surface cleaning, and facility prep following construction or renovation. Priced per sq ft; minimum $450 per project.

Floor Care & Maintenance

Commercial floor sweeping, mopping, buffing, waxing, and polishing. Scheduled semi-annually or as needed for high-traffic facilities.

Day Porter Services

On-site daytime cleaning staff providing continuous facility maintenance — ideal for high-traffic office buildings, retail centers, and campuses.

Deep Clean & Sanitization

One-time or recurring full-facility deep cleaning and disinfection services. Effective for facility resets, cold & flu season, or move-in/move-out prep.

Why choose Heritage building Services?

The Standard Other Companies
Struggle to Match

We built Heritage Building Services LLC on the three things that matter most to commercial facility managers: reliability, compliance, and accountability. Every account is managed personally.

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Fully Licensed & Insured

$2,000,000 in general liability coverage through Farmers Insurance. COI available the same day you sign. WA Contractor License HERITBS745D6, active through 2028.

Background-Checked, Uniformed Team

Every Heritage team member undergoes a background check before entering any client facility. Uniformed, professional, and trained to our quality standard.

Bilingual Service — English & Spanish

Our team communicates fluently in English and Spanish, making Heritage the natural partner for diverse businesses across the Greater Seattle Metro area.

Owner-Managed Accountability

Doraneli Quiroz, founder and CEO, personally oversees every account. Issues are resolved within 24 hours — not passed to a call center.

Service Areas

Serving the Entire
Greater Seattle Metro

Heritage Building Services is based in Renton, WA and actively serves commercial clients across three counties — no extra travel fees within our standard coverage area.

Primary County

Secondary County

Secondary County

King County

Pierce County

Snohomish County

· Renton

· Seattle

· Bellevue

· Kent

· Auburn

· SeaTac

· Tukwila

· Kirkland

· Redmond

· Burien

· Covington

· Maple Valley

· Tacoma

· Federal Way

· Puyallup

· Lakewood

· Fife

· Auburn

· University Place

· Bonney Lake

· Sumner

· Milton

· Everett

· Lynnwood

· Edmonds

· Bothell

· Mukilteo

· Marysville

· Mill Creek

· Mountlake Terrace

· Shoreline

Common Questions

What Clients Ask Us

Do you offer a free facility evaluation?

Yes — every new commercial prospect receives a complimentary 30-minute facility walkthrough. We assess your space, understand your schedule, and deliver a fully custom proposal within 24 hours. No pressure, no obligation.

Are you licensed and insured in Washington State?

Yes. Heritage Building Services LLC holds a Washington State contractor license (HERITBS745D6, valid through March 2028), a WA UBI number (606133984), and general liability insurance through Farmers Insurance for $1M per occurrence / $2M aggregate (Policy #607138665). A Certificate of Insurance is available the same day you sign.

What are your payment terms?

Our standard payment terms are Net 15 — payment due 15 days from invoice date. A 1.5% monthly service charge applies to balances unpaid after 15 days. We accept check, ACH transfer, and credit card.

Do you have bilingual staff?

Yes. Heritage Building Services LLC is a bilingual company. Our owner and team communicate fluently in both English and Spanish, and all client-facing documents are available in both languages upon request.

Can you provide references or proof of prior work?

Yes. We are happy to provide client references, before/after facility photos, and our full credential documentation upon request. We also carry a Portfolio of work including commercial facilities serviced throughout the Greater Seattle Metro area.

Our testimonials