Complete construction and site development from the curb inward.
Ground-up builds, turnkey ADUs, major structural remodels, and total property transformations across San Diego County with direct licensed oversight.
Contact JuanmaField Work & Jobsite Documentation
Active execution on real California properties: timber headers, slab leveling, rough-ins, and turnkey handovers.
Total Property Capability • From The Curb Inward
We take complete responsibility for your entire parcel: from boundary line and grading to architectural design, structural foundations, framing, interior builds, pools, and finished hardscapes.
General Construction & Development
We don't just patch or repair; we plan, engineer, and build complete spaces.
New Construction & ADUs
Ground-up single-family builds and Accessory Dwelling Units (ADUs). Designed to California regulations for additional living space, guest houses, or rental income with turnkey handover.
BIM, Architecture & Permitting
3D Building Information Modeling (BIM) and complete architectural drafting. We eliminate field clashes digitally before breaking ground, processing all city permits and plan checks seamlessly.
Major Remodels & Additions
Whole-home transformations, second-story additions, layout reconfigurations, structural wall removals, and load-bearing timber header integrations for expansive open concepts.
Demolition & Site Grading
Full or selective structure demolition, safe debris extraction, pad grading, soil leveling, and laser-calibrated ground preparation ready for new foundations and subterranean infrastructure.
Outdoor Living, Pools & Hardscapes
Excavation and construction of custom in-ground swimming pools, retaining walls, paved driveways, hardscaping, and complete outdoor living environments tailored to the property line.
Comprehensive General Contracting
One unified contract for your entire build. We manage all internal trades, inspections, high-spec custom carpentry, utilities, and finishes with total jobsite accountability.
Before & After Transformation
Drag the interactive slider to see how JMS Construction converted a segmented, dated layout into an engineered open-concept kitchen.
Before: Original Build
Led by Juanma • Licensed General Contractor
At JMS Construction, we oversee complete properties from the curb inward. Our strength lies in bridging high-level digital planning with rigorous on-site execution.
Juanma's graduation and education in engineering provides the structural clarity and technical oversight required to coordinate digital BIM workflows, calculate load-bearing removals, and build durable foundations that exceed California Title 24 standards and local municipal building codes.
From groundbreaking, excavation, and structural framing down to final turnkey architectural finishes, clients work directly with a licensed professional committed to precision and transparency.