P. Flanigan Logo
WE EXIST TO IMPROVE THE BUILT ENVIRONMENT Constructing and maintaining infrastructure for an ever-advancing society remains our primary focus. BASED IN BALTIMORE
FOR OVER 130 YEARS The city our business was founded to serve. ENVIRONMENTAL APPROACH
COMPLIANCE & ACTIVISM We comply with environmental regulations at all times. We also feel that we have a duty to be a part of the solution. HIGHEST
QUALITY MATERIALS We use the best raw materials, state of the art equipment and screen and test our products to ensure consistent quality. Our Monroe Street and Westport facilities are equipped with on-site AASHTO accredited labs

P. Flanigan & Sons was founded in 1885 to serve the infrastructure needs of Baltimore City as it grew and modernized.

P. Flanigan & Sons is an area leader in heavy civil construction projects. Transportation infrastructure construction, maintenance, and improvement is a key function of our business. At P. Flanigan & Sons, we service the range of transportation modalities from city streets to state highways, and from seaports to airports.  We also construct and maintain infrastructure for industrial, medical, and educational campuses. Whether we are on city streets, state highways, airport runways, or anywhere in between, we take pride in the quality of services we offer our customers and partners.

We also offer a variety of high quality asphalt and crushed-concrete materials for purchase. Our products are engineered using high-quality raw materials, modern equipment, and modern quality control laboratories.

<strong>EXPERTISE</strong>
EXPERTISE

At P. Flanigan & Sons, we have over 130 years of experience completing infrastructure improvements and maintenance projects of various complexities and sizes.

Construction is a service industry and we seek to use the best project management techniques for our customers.

<strong>TEAM</strong>
TEAM

Our team is comprised of people who are proud of their careers at P. Flanigan & Sons. At every level of our organization, our customers encounter people with broad construction experience and education. We seek the most challenging projects and customers because they provide the experiences that make us grow stronger.

<strong>PARTNERING</strong>
PARTNERING

Partnership is the heartbeat of Flanigan. We value our stakeholders and partners and continually seek opportunities to team with new organizations and companies to provide the best services available.

We believe in “keeping it local” and often work with local government, school systems, neighborhoods, and businesses to better the community.

P. Flanigan & Sons, Inc.
1 day ago

Kicking off our 2025 Safety Recognition Program with a bang!

Huge congratulations to Frank, Joe, Stanley, Tony, and Carlos — our first honorees of the year! These outstanding team members went above and beyond in upholding our safety standards, and we’re proud to have them as part of the Flanigan Family.

Thank you for your dedication and commitment to keeping our workplace safe. Keep up the amazin ... See MoreSee Less

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P. Flanigan & Sons, Inc.
4 days ago

🚨Attention Customers!!🚨

Our Westport Plant is OPEN!!

Winter maintenance is complete on both plants which means our Westport Plant and Monroe Street Plant are ready for the construction season to hit full swing! If you have any questions or need an asphalt quote, please contact our sales team at 410-467-5900!

#pflanigan1885 #AttentionCustomers #monroestreetplantopen #westportplantopen #aspahltpl ... See MoreSee Less

🚨Attention Customers!!🚨 Our Westport Plant is OPEN!! Winter maintenance is complete on both plants which means our Westport Plant and Monroe Street Plant are ready for the construction season to hit full swing! If you have any questions or need an asphalt quote, please contact our sales team at 410-467-5900! #pflanigan1885 #attentioncustomers #monroestreetplantopen #westportplantopen #aspahltplants

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P. Flanigan & Sons, Inc.
6 days ago

It’s the O’s Home Opener today, and we couldn’t be more thrilled to leave our mark on Camden Yards once again!

This offseason, we tackled the left-field fence reconfiguration — moving it forward 17’! From excavating the old sod and warning track to installing fresh turf, irrigation, and footings, we’ve been all in!

And the cherry on top? Fine grading the dead space behind the fence for the brand- ... See MoreSee Less

+7

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P. Flanigan & Sons, Inc.
1 week ago

We are honored to receive the 2024 Asphalt Reconstruction Paving Award from Maryland Asphalt Association for our Martin State Airport project. Congratulations and Thank You to Christina, Brian, Ken, Mike N., Henry, Mike M., George, Bo, Dean, Dennis, Carlos, Harry, Paul, Carl, Phil, Duwayne, all their crew members, and our Westport and Monroe Street plant crews! This award would not have been possi ... See MoreSee Less

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P. Flanigan & Sons, Inc.
1 week ago

Last month, we gathered at Martins West for our annual Winter Conference! It’s always a great opportunity for our managers and supervisors to connect before the construction season ramps up.

From reflecting on 2024 to looking ahead at 2025, we covered key topics like workforce development and company policies. A special thank you to our guest speakers, Luke Matelan and Michelle Thompson from FMI C ... See MoreSee Less

+7

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P. Flanigan & Sons, Inc.
2 weeks ago

Happy Maryland Day! For 140 years, we've proudly built and maintained Maryland's infrastructure — keeping roads safe and communities connected. Our roots run deep, we work here, live here, and remain committed to Maryland’s future!

#PFlanigan1885 #MarylandDay #MarylandContractor #MarylandInfrastructure #BuiltForMaryland ... See MoreSee Less

Happy Maryland Day! For 140 years, weve proudly built and maintained Marylands infrastructure — keeping roads safe and communities connected. Our roots run deep, we work here, live here, and remain committed to Maryland’s future! #PFlanigan1885 #MarylandDay #MarylandContractor #MarylandInfrastructure #BuiltForMaryland

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P. Flanigan & Sons, Inc.
2 weeks ago

🎉 Cheers to 25 Years! 🎉

Today, we’re celebrating a milestone that’s a quarter century in the making — Happy 25th Anniversary to Mike, aka Grease Man Green!

Mike has been an essential part of our Westport Shop team since 2000, starting as a lube man and quickly becoming a go-to road mechanic. Whether he’s behind the wheel of his mechanics truck, a fuel truck, a rollback, or turning wrenches, Mike ... See MoreSee Less

🎉 Cheers to 25 Years! 🎉 Today, we’re celebrating a milestone that’s a quarter century in the making — Happy 25th Anniversary to Mike, aka Grease Man Green! Mike has been an essential part of our Westport Shop team since 2000, starting as a lube man and quickly becoming a go-to road mechanic. Whether he’s behind the wheel of his mechanics truck, a fuel truck, a rollback, or turning wrenches, Mike’s versatility and dedication are truly admirable. Thank you, Mike, for your incredible commitment and hard work. We’re so lucky to have you as part of the Flanigan family! #pflanigan1885 #happyanniversary #congratulations #flaniganfamily

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P. Flanigan & Sons, Inc.
3 weeks ago

Wishing you a wee bit o' fun and a whole lot o' luck this St. Patrick's Day!

#pflanigan1885 #stpatricksday #flaniganfamily ... See MoreSee Less

Wishing you a wee bit o fun and a whole lot o luck this St. Patricks Day! #PFlanigan1885 #StPatricksDay #FlaniganFamily

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P. Flanigan & Sons, Inc.
3 weeks ago

Attention Customers! Our Monroe Street plant is OPEN again! Winter maintenance has been completed which means it's our Westport Plant turn to close for the next few weeks for maintenance. If you have any questions or need an asphalt quote, please contact our sales team at 410-467-5900!

#pflanigan1885 #AttentionCustomers #monroestreetplantopen #westportplantclosed #wintermaintenanceroundtwo #aspa ... See MoreSee Less

Attention Customers! Our Monroe Street plant is OPEN again! Winter maintenance has been completed which means its our Westport Plant turn to close for the next few weeks for maintenance. If you have any questions or need an asphalt quote, please contact our sales team at 410-467-5900! #pflanigan1885 #attentioncustomers #monroestreetplantopen #westportplantclosed #wintermaintenanceroundtwo #aspahltplants

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OUR LATEST PROJECTS

At P. Flanigan & Sons, we service the range of transportation modalities from city streets to state highways and from seaports to airports.
We construct and maintain infrastructure for industrial, medical, and educational campuses.

Overhead view of Camden Yards ball field

Camden Yards – Ball Field Expansion

Overhead drone image of newly paved and striped parking lots at the Maryland MVA

MVA – Glen Burnie Site Renovations

Image of intersection of new signals at North Avenue and Bloomingdale Ave

North Avenue Corridor Improvements

Ground level image of new new asphalt, striping and sidewalks on Belair Road

Belair Road Streetscape

Flanigan crew using a mini excavator to level sand for storm water management

Agency-Wide Stormwater Management Improvements

Overhead drone shot of recently paved and striped lots at Tradepoint Atlantic

Trade Point Atlantic VW Transfer Area

BWI – Midfield Rehabilitation Project

BWI – Concourse B Reconstruction

SAFETY. EXCELLENCE. INNOVATION. TEAMWORK.

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