Sandco LLC

What They Do

Water DamageMoldMold TestingFire and SmokeSewageLead PaintOdor

• Accessory building construction
• Basement waterproofing
• Bathroom remodeling
• Concrete pouring
• Concrete work
• Deck construction
• Demolition
• Drywall installation
• Drywall repair
• Exterior painting
• Exterior structural repairs
• Foundation drainage
• Gutter cleaning
• Home addition construction
• Home renovations
• Install flooring
• Interior structural repairs
• Kitchen remodeling
• Paint indoors
• Patio construction
• Remodeling
• Repair flooring
• Slab foundation construction
• Tile work installation
• Tile work replacement
• Water & moisture control services
• Basement Remodel
• Deck Builder

In Their Own Words

We are a local small business in Hanover with a Big track record for success. Our business revolves around real estate. Basement Remodel or Finishing, renovating of bathrooms and/or Kitchen trust us with one of your greatest investments and you will see returns. We understand the value and sanctity of the of the home, and when disaster strikes you feel displaced. Sandco is a great friend to have during that time. For Emergency restoration services we are open 24/7 and will be ready to be with you through your momentary chaos and facilitate the calm. All other requests follow our normal business hours 8am-6pm. We serve Howard County, North Anne Arundel, South Baltimore, and North PG County.

Written by the business on its public profile. We have not verified these claims.

Before You Call Sandco LLC

1. Do you take moisture readings every day and will you give me the drying log?
2. Are your technicians certified in water damage restoration?
3. Where do you think the moisture is coming from, and who fixes it?
4. Will you set up containment and negative air, and how will you protect the rest of the home?
5. Do you also do remediation? If so, who checks your work?

Ask for a Maryland Home Improvement Commission license number and look it up with the state. Also ask for proof of insurance, industry certification for the restoration crew and lead safe certification for any pre-1978 home.

They list no storefront. Ask where the business is based and whether the crew is their own.

How Their Reviews Break Down

Counts from public listings as of September 23, 2026. A handful of reviews says less than a few hundred.

Read This While You Wait

• DIY with careWhat to Do in the First 24 Hours After Water DamageAn hour by hour plan for the first day after water damage. Make it safe, stop the source, document, remove water and start drying before mold can start.
• DIY with careSafe DIY Mold Cleanup for Areas Under 10 Square FeetA step by step method to clean up mold under 10 square feet safely, with the gear to buy, what to throw away, why bleach is not the default, and when to stop.
• Call a proMold Testing, When It Is Worth It and How to Read a Lab ReportWhen a mold test is worth paying for, which kind to ask for, why store kits mislead, and how to read spore counts, outdoor controls and a lab report yourself.
• Call a proThe First 48 Hours After a House FireWhat to do in the first two days after a house fire. Safe re-entry, utilities, insurance calls, securing the home, food, medicine and what never to clean.