A2M Contractors

A2M CONTRACTORS

General Contractor & Licensed Roofer

B & C 39 License #952120

Guest House and ADU ABOVE EXISTING GARAGE

Alcala Knolls DR, 92111

Started 6-1-2026 Updated 6-15-2026

Full foundation prep completed with installed rebar and formwork. Plumbing risers positioned at strategic locations for vertical connections.

Rebar grid installed over vapor barrier in a prepared foundation slab. Form boards and riser pipes are in place for inspection before pour.
Full foundation prep completed with installed rebar and formwork. Plumbing risers positioned at strategic locations for vertical connections.

Foundation trenching is underway with visible plumbing rough-ins and framing boards outlining the slab layout for a new home addition.

Foundation trenching is underway with visible plumbing rough-ins and framing boards outlining the slab layout for a new home addition.
Rear view shows full trenching, perimeter boards, and vertical pipes set in preparation for concrete slab pour on a residential addition.

Foundation prep captures excavation, demolition, and foundation layout with visible formwork preparation and trenching. The images show structural integration with framing elements in an active residential addition.

Freshly excavated foundation pit with full perimeter formwork staged for concrete pour and string lines in place for layout.
Construction site showing new foundation layout and partial wall framing in progress, with dirt piles and framing materials staged.


Wide view of full foundation prep, edge trenches, and formwork aligning with structural plywood and framed walls in background.
Rear elevation showing structural wall removed and new formwork installed for extended concrete footing under crawl space.

Project: Guest house conversion, 260 sq ft addition, 228 sq ft guest quarters addition, 921 sq ft ADU above existing garage, and 112 sq ft.

ADU wall framing above the existing garage shows window openings and structural lumber for a 921 sq ft residential guest quarters addition.

ADU wall framing above the existing garage shows window openings and structural lumber.

Garage-Top ADU Balcony Construction Progress

Second-story ADU balcony framing shows the new guardrail layout and elevated outdoor living space for the garage-top unit. 

Framed ADU balcony with neighborhood view.
Wood balcony railing framing for garage ADU.
ADU balcony framing with scaffold access.

Second-Story ADU Framing Above Existing Garage

ADU framing shows wall construction progressing above the existing garage structure. The bracing, posts, and sheathing help document the early structural phase of the residential addition.

Side view of second-story ADU framing.
Front view of ADU framing above garage.
Framed upper-level ADU over existing garage

Guest House Remodel Framing and Room Layout

Interior rough framing shows the guest house conversion layout with ceiling joists, wall framing, and temporary bracing in progress. The image documents the developing hallway and room divisions before insulation, drywall, and finish carpentry.

Interior guest house hallway framing and ceiling joists.
Plywood sheathing inside framed guest quarters room.
Arched opening framing between remodeled living spaces.
Open plan framing for guest quarters remodel.
ADU window framing with rough electrical wiring.

Framed Walls with Residential Electrical Wiring

Framed ADU hallway shows organized rough-in work with electrical boxes, wiring, and ceiling framing ready for the next construction phase.

ADU hallway framing with rough electrical wiring.
Guest quarters wall with electrical rough-in.
Framed ADU hallway with electrical rough-in.

Mechanical and Utility Rough-In for ADU Interior

aDU interior framing shows mechanical rough-in, ceiling electrical boxes, and window placement progressing inside the new residential living area. 

ADU room with mechanical and electrical rough-in.
ADU wall framing with utility rough-in.
Open ADU room framing with electrical boxes.

ADU Utility Framing with Plumbing and Wiring

Interior wall framing shows drain lines, supply routing, and electrical rough-in being installed for the upper-level ADU layout. 

ADU bathroom framing with plumbing rough-in.
ADU wall framing with plumbing and wiring.
Window wall framing shows plumbing and electrical rough-in around the new ADU living space.

ADU and Guest Quarters Vinyl Window Work

Multiple vinyl windows are installed along the framed wall, showing progress on the residential guest quarters remodel.

Staged vinyl windows inside guest quarters shell.
Vinyl window units staged inside framed ADU.
Vinyl window installed in framed guest quarters.
Vinyl windows installed along framed wall.
ADU vinyl window with rough electrical framing.

Plywood Sheathing Before Vinyl Window Installation

exterior sheathing shows the upper-level ADU taking shape above the existing garage, with framed window openings ready for the next installation phase.

Exterior ADU sheathing with framed window openings.
Side ADU sheathing with window openings.
ADU roofline sheathing with upper window openings.

Exterior Vinyl Windows Installed on ADU Addition

newly installed vinyl windows on the upper-level ADU above the existing garage. The plywood sheathing and open garage bay show the project moving toward exterior finishing.

Garage ADU exterior with new vinyl windows.
Vinyl windows beside framed ADU balcony.
Rear ADU elevation with vinyl windows.

Exterior Lath, Balcony Framing, and Vinyl Windows

vinyl windows installed below and above the framed balcony structure, with exterior lath prepared for stucco work. The balcony framing adds outdoor living space to the ADU and guest quarters addition.

Garage ADU with vinyl windows and exterior lath.
ADU balcony framing with vinyl windows.
ADU balcony stairway framing with vinyl windows.

Wood Stair Access for Upper-Level ADU

Exterior stairway framing shows new wood steps providing access to the upper-level ADU. The wall lath, scaffolding, and stair framing show progress toward completing the balcony and exterior access system.

ADU stairway framing beside exterior lath.

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