About J&M


Since 1953 J&M Concrete Construction (formerly Jezowski & Markel) has been one of Southern California’s most distinguished site concrete contractors.  J&M has constructed hundreds of the region’s most significant projects.  Many of those notable installations are presented in this website.

J&M Concrete Contractors Attributes:

J&M’s Mission Statement:

  • Develop and nurture collaborative relationships between owners, design professionals, and general contractor’s.  Our principal goal is to develop a lasting team partnership that will continuously result in beautiful architectural concrete construction.

Union Affiliations:

  • Cement masons, carpenters and laborers.

Collaboration with Owner and Design Team:

  • J&M has on display over 3,500 – 6″ concrete samples and 500 custom aggregates on display at it’s shop that can assist designer’s in developing their paving design.
  • Provide budgetary estimates at all phases of hardscape design.
  • An in-house Landscape Architect with more than 27 years of professional Landscape Architectural experience and 10 years of concrete marketing and concrete construction experience serving a unique role in the Southern California site concrete industry.
    • Credentials and services provided:
      • BS Landscape Architecture – Cal Poly San Luis Obispo, 1979.
      • Licensed California Landscape Architect #2111 since 1981.
      • Certificate of Completion in Light Construction and Development Management – UC Irvine, 1988.
      • LEED AP B+CD accredited.
      • NRMCA Pervious Concrete Technician.
      • Assist in merging the designer’s ideas within budget and constructability constraints.
      • Preparation of custom concrete samples.
      • Provide design assistance for all phases of work.
      • Provide value engineering options, constructability review, construction document and specification review.
      • Provide shop drawings such as Paving Jointing Plans.
      • Provide “Lunch & Learn” seminars to design professionals with an emphasis on integrating architectural concrete design principles with proven hardscape construction methodologies.

Site Concrete Elements:

Architectural Concrete Paving Finishes:

  • Acid
  • Aggretop®
  • Broom
  • Color hardeners, aka “dust-on” or “shake-on”
  • Exposed aggregate, i.e. Topcast, Optimus, etc.
  • Ground and/or Polished
  • Intecrete®
  • Poropave® Permeable Concrete Paving
  • Rock salt
  • Sandblast
  • Stained
  • Stamped
  • Tined

Cast-in-Place Architectural Concrete Finishes and Types:

  • Boardform
  • Stripped including MDO and HDO plywood finishes
  • Exposed aggregate up to 5′ feet in wall height
  • Sacked
  • Sandblast
  • J&M Stratified Wall™
  • Vertical Intecrete®
  • SmoothCast®
  • Seatwalls
  • Steps and cheekwalls
  • Planter walls
  • Amphitheater seating
  • Cantilevered walls
  • Monument sign walls
  • Concrete walls up 40′ in height
  • Are there other custom wall finishes you want to explore with us?

Production and Civil (“B” Permit) Concrete:

  • Curbs, ribbon and curb gutters, swales, City sidewalk, driveways, concrete drainage elements, and accessible ramps including truncated domes
  • Concrete footings for site elements such as walls, light standards, site furniture, bollards, etc.
  • Tile, stone, and paver concrete subslabs
  • On-structure planter bottom drainage slabs
  • On-structure paving

Structural Concrete Elements:

  • Building slabs, both on-grade and on-structure
  • Wall and column footings
  • Grade beams
  • Stem walls
  • Retaining walls

Specialty Concrete Elements:

  • Fountains including complete, turn-key installations that include waterproofing, plumbing and electrical
  • Sign walls
  • Custom elements in collaboration with designers and artists
  • Custom memorials in collaboration with various organizations, both public and private
  • Custom colored and textured logos

 J&M’s Patented, Patent Pending, or Trade-Marked Concrete Products:

J&M is constantly exploring and developing new concrete products that expand our ability to fulfill the inspirations of designers as well as balance cost with constructability.  Some architectural concrete products that have been developed by J&M include:

  • Intecrete® architectural concrete paving
  • Vertical Intecrete® concrete wall finish
  • Aggretop® architectural concrete paving
  • PoroPave® permeable architectural concrete paving
  • J&M Stratified Wall™
  • SmoothCast® wall