Part Time Estimate Writer

Fish Window Cleaning, Inc.; New Castle (DE); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

Free food & snacks

Free uniforms

Opportunity for advancement

Paid time off

Training & development

Bonus based on performance

Competitive salary

Employee discounts

Flexible schedule

Job summary

Fish Window Cleaning, Inc. in New Castle, DE is seeking a detail‑oriented Estimate Writer to craft accurate, professional estimates that win business and keep projects moving forward.

You will review scopes, prepare detailed proposals, and collaborate with sales, operations, and project management to ensure estimate accuracy in a fast‑paced environment.

Qualifications

• Strong written communication and proposal writing skills.
• High attention to detail with the ability to manage multiple estimates.
• Proficiency in Word, Excel, or estimating software.

Responsibilities

• Prepare and write detailed, accurate cost estimates and proposals for prospective clients.
• Review project scopes, specifications, and requirements to develop competitive bids.
• Collaborate with sales, operations, and project management teams to ensure estimate accuracy.
• Maintain and organize estimate documentation and follow-up communications.
• Communicate with clients and vendors to clarify project details and pricing.
• Track submitted estimates and assist in converting proposals to active projects.
• Continuously refine estimating processes to improve efficiency and accuracy.

Skills

Strong written communication

Professional proposal writing

Attention to detail

Time management

Independent / team player

Tools

Microsoft Word

Microsoft Excel

Estimating software

Job description

Benefits

• Free food & snacks
• Free uniforms
• Opportunity for advancement
• Paid time off
• Training & development
• Bonus based on performance
• Competitive salary
• Employee discounts
• Flexible schedule

About the Role

Fish Window Cleaning is looking for a detail-oriented and driven Estimate Writer to join our growing team in New Castle, DE. This is a great opportunity to play a key role in the sales and operations process by crafting accurate, professional estimates that win business and keep projects moving. If you thrive in a fast-paced environment and have a knack for numbers and communication, we want to hear from you!

Responsibilities

• Prepare and write detailed, accurate cost estimates and proposals for prospective clients
• Review project scopes, specifications, and requirements to develop competitive bids
• Collaborate with sales, operations, and project management teams to ensure estimate accuracy
• Maintain and organize estimate documentation, records, and follow-up communications
• Communicate with clients and vendors to clarify project details and pricing
• Track submitted estimates and assist in converting proposals to active projects
• Continuously refine estimating processes to improve efficiency and accuracy

Requirements

• Previous experience in estimating, sales support, or a related field preferred
• Strong written communication and professional proposal writing skills
• High attention to detail with the ability to manage multiple estimates simultaneously
• Proficiency in Microsoft Office Suite (Word, Excel) or estimating software
• Ability to read and interpret project scopes, plans, or work orders
• Strong organizational and time management skills
• Self-motivated, reliable, and able to work independently as well as part of a team

About Us

Fish Window Cleaning is a dedicated and customer-focused company based in New Castle, DE, committed to delivering quality results across every project we take on. Our clients trust us for our professionalism, reliability, and attention to detail - values that are reflected in everything we do. We foster a supportive work environment where employees are valued, empowered, and given the tools they need to succeed.