Bid Banana
PricingBid helpAPILog inStart free trial
Log inStart free trial

Learn more

  • California guideCalifornia Bids and Bidding Guide
  • Compliance checkHow to Ensure RFP Compliance
  • How to answer an RFPChoosing and Responding to Government Bids
More engineering services bids →Must-win bid? Bring in The Bid Lab →
Bid Banana
SearchPricingBid helpBrowse bidsAPISupportFAQPrivacy PolicyTerms of UseAI Use Policy

This website and its content is copyright of The Bid Lab © 2026. The Bid Lab is a trademark of Bid Lab, LLC. All rights reserved.

  1. Bid Banana
  2. ›Closed bids
  3. ›California
  4. ›Engineering Services
  5. ›Deionized Water Filtration System Maintenance

County of San Mateo·California

Deionized Water Filtration System Maintenance

Closes 9/18/2026$20k – $50kRequest for Proposal
Bid source

This opportunity has closed.

Bid Banana tracks 1.6M+ bids and awards across all 50 states. Save a search and we'll email your new matches, daily or weekly — so the next one reaches you with time to bid.

Get alerted next time

Description

The San Mateo County Sheriff’s Office Forensic Laboratory requires a qualified vendor to perform bi‑annual preventative maintenance on two critical water purification systems (Millipore Elix 20 and Milli‑Q Advantage A10) in November 2026 and May 2027, including inspection, parts replacement, performance verification, cleaning, and documentation. The contract is a one‑year term with two one‑year extension options, and the award is anticipated on October 1 2026. Proposals must be submitted electronically by September 9 2026. • Scope: Preventative maintenance (twice per year) for two deionized water systems and associated components. • Deliverables: Inspection reports, performance data, parts replacement, calibration, and any corrective recommendations. • Schedule: Pre‑proposal meeting 9/2/2026 (non‑mandatory); Q&A deadline 9/4/2026; proposal deadline 9/9/2026; award 10/1/2026. • Contract term: 1 year with two optional 1‑year extensions. • Required qualifications: Minimum 4 years of similar service, SAM registration, local business preference considered. • Pricing: Line‑item rates for maintenance visits, travel, freight, consumables, and tax.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Samantha Dal Porto(Administrative Services Manager)

[email protected]

(650) 312-5309

Key dates

Opened
8/24/2026
Questions due
9/17/2026
Pre-bid meeting
9/2/2026
Closes
9/18/2026
Projected award
10/1/2026
Duration
1 year

Last updated

Details

Type
Request for Proposal
Industry
Engineering Services
NAICS
811310
Solicitation №
2027-RFP-00069

Budget estimate

$20,000 – $50,000

The contract includes two full maintenance visits, travel, freight, consumable parts (filters, UV lamps, etc.), and tax. Based on typical rates for specialized laboratory equipment service (approximately $8,000‑$12,000 per visit plus $2,000‑$4,000 for consumables and travel), the total contract value is likely between $20,000 and $50,000. Larger vendors with higher labor rates could push the high end, while a local small business using in‑house staff could be near the low end.

AI estimate from the solicitation

Similar opportunities

Matched by Bid Banana AI™

Bid Banana · 1.6M+ bids and awards 🍌

You found this one too late. Don't find the next one too late.

Bid Banana searches open government bids across all 50 states, updated daily. Save a search once and we email you your new matches, daily or weekly, while there is still time to win them.

1.6M+
bids & awards
All 50
states
4,000+
agencies
Start your 7-day free trial

Plans from $49.99/month. Cancel anytime, no setup fees.

Built by The Bid Lab, answering RFPs since 2017.

U.S. Department Of Veterans Affairs·Washington

Top match · 69%

Water system Maintenance

Closes 11/6/2026Opened 10/30/2026

Riverside Transit Agency·California

67% match

Deionized Water Services

Closes 11/19/2026Opened 10/29/2026

Town of Leesburg·Virginia

67% match

Water Storage Tank Cleaning and Inspection Services

Closes 11/5/2026Opened 10/7/2026

City of Hollywood·Florida

67% match

Water Treatment Plant Maintenance Package 'B'; Project No. 25-4262

Closes 12/3/2026Opened 10/26/2026

City of Charlotte·North Carolina

67% match

Service Water Improvements and Flow Meter Modifications

Rolling / TBD closeOpened 1/31/2026

City of Hollywood·Florida

66% match

Water Treatment Plant Maintenance Package ‘A’; Project No. 25-4261

Closes 11/25/2026Opened 10/20/2026

U.S. Department Of Health And Human Services·Arizona

66% match

SRSU - Water System Installation and Upgrade

Closes 2/17/2029Opened 2/10/2026

Dept of Natural Resources·Wisconsin

66% match

Private Drinking Water Treatment System Consulting, Equipment and Installation Services – Marinette

Closes 11/13/2026Opened 10/26/2026

Town of Leesburg·Virginia

66% match

IFB No. 500630-FY27-22 Water Storage Tank Cleaning and Inspection Services

Closes 11/5/2026Opened 10/7/2026

City of Hollywood·Florida

66% match

Water Treatment Plant Maintenance Package ‘A’ Degasifier Package (Project No. 25-4261A)

Closes 11/18/2026Opened 9/9/2026

Prince William County Service Authority·Virginia

65% match

IFB SA 2707 General Sanitary Sewer Cleaning, CCTV, Flow Control-Bypass Pumping, and Hydro-Excavation Work

Closes 11/24/2026Opened 10/20/2026

Village of Lake in the Hills·Illinois

65% match

PFAS & Iron Filtration System Design, Equipment, and Delivery

Closes 11/3/2026Opened 10/9/2026

Commonwealth of Kentucky·Kentucky

65% match

Water and Wastewater Operations, Maintenance, Monitoring

Closes 11/16/2026Opened 10/28/2026

U.S. Department Of Defense·U.S. Armed Forces – Pacific

65% match

PMP for Water Facilities Circulation Systems

Closes 1/9/2027Opened 12/2/2025

Washougal, WA·Washington

64% match

Stormwater Filter Facility Maintenance

Closes 11/5/2026Opened 10/9/2026

City of Richland·Washington

64% match

Water Treatment Plant Filter Bay Valve Replacement

Closes 11/3/2026Opened 9/27/2026

County of Dorchester, SC·South Carolina

64% match

Professional Maintenance and Asset Management of Water Storage Tanks

Closes 11/30/2026Opened 10/16/2026

City of San Diego·California

64% match

North City Water Reclamation Plant Filter Media Cleaning

Closes 11/6/2026Opened 9/2/2026

The Metropolitan Water District of Southern California·California

64% match

Joseph P. Jensen Water Treatment Plant Infrastructure and Security Improvements

Closes 11/3/2026Opened 9/23/2026

Prince William County Service Authority·Virginia

64% match

IFB SA 2707-General Sanitary Sewer Cleaning, CCTV, Flow Control-Bypass Pumping and Hydro-Excavation Work

Closes 11/24/2026Opened 10/20/2026

City of Stillwater·Oklahoma

64% match

Stillwater Regional Water Treatment Plant Solid Contact Units Rehabilitation

Closes 11/11/2026Opened 10/10/2026

U.S. Department Of Agriculture·Utah

63% match

Ross Springs Waterline Replacement

Closes 11/21/2026Opened 10/22/2026

Humble ISD·Texas

63% match

POOL MAINTENANCE & REPAIR SERVICES

Closes 11/12/2026Opened 10/12/2026

City of Worcester·Massachusetts

63% match

Water Booster Pump Skid Replacement / DPW

Closes 11/25/2026Opened 10/20/2026

State of Michigan Department of Technology, Management and Budget·Michigan

63% match

472/26279.JLM; Lakeland C.F. - Softener & Salt Storage Upgrd

Closes 11/11/2026Opened 10/16/2026