This case study describes a full renovation of a 1940s Waldo bungalow — the type of project we do regularly in this neighborhood. Waldo and the surrounding area has a large concentration of 1920s–1950s bungalows on small lots with updated exteriors and interiors that range from untouched to previously-flipped. This particular home was untouched. The cost figures are from KC market conditions in 2025–2026.
The house and the brief
A 1941 bungalow in Waldo, 1,480 square feet, two bedrooms, one full bath (original), one-car detached garage. The homeowner had bought the house knowing it needed work — the price reflected the condition. The brief was essentially: do everything that needs doing, make it a proper home, don’t over-finish for the neighborhood.
Waldo has a ceiling on what will appraise — $350,000–$420,000 for a well-done 1,500 SF bungalow in 2026 market conditions. The brief was calibrated to that ceiling: quality finishes but not luxury finishes, full systems update, and a usable rear deck to make the lot work.
Phase 1: Systems and structure
The first thing a proper renovation of a 1940s Waldo home requires is honesty about what’s behind the walls.
Electrical: Original 60-amp fused service. Not just inadequate — genuinely unsafe. We immediately found knob-and-tube wiring throughout the first floor (the second floor had been partially updated in a previous ownership). The scope: full service upgrade to 200 amps (new meter base, new panel, new service entrance), removal and replacement of all K&T wiring with NM cable, new circuits throughout including dedicated kitchen circuits, bathroom GFCI circuits, and a 50A circuit for EV charging in the garage.
Electrical scope: $14,800.
Plumbing: Original galvanized supply lines throughout, partially replaced with copper in the 1990s (inconsistently). The drain stack was original cast iron — still functional but with a corroded section near the kitchen stub. We replaced all galvanized supply with PEX, replaced the compromised cast iron section with PVC, added a cleanout at the base of the stack.
Plumbing scope: $6,400.
HVAC: The original gravity furnace had been replaced with a forced-air system sometime in the 1970s, but with inadequate ductwork distribution. The kitchen and rear bedroom were chronically under-served. We replaced the furnace and AC with a properly-sized 2-ton system, re-ducted the basement to add supply and return distribution to the under-served areas.
HVAC scope: $8,200.
Foundation: Full perimeter waterproofing inspection in the basement. One section of the foundation had visible efflorescence and minor seepage. Interior drainage system and sump installation.
Foundation waterproofing: $3,800.
Structural review: The load-bearing wall between the living room and kitchen had an undersized header over a cased opening — a previous owner had removed a bearing wall section without proper structural support. We installed a properly-sized LVL header with adequate jack stud support.
Structural correction: $2,400.
Phase 1 subtotal: $35,600.
Phase 2: Kitchen
The kitchen was original — 1941 construction, 8x10 feet, closed kitchen with a door to the dining room. We opened it to the dining room (the wall was non-load-bearing at this point, the bearing issue having been corrected in Phase 1), creating a combined kitchen-dining space of approximately 180 square feet.
Semi-custom painted cabinetry in a sage-green shaker style (appropriate for a Waldo bungalow aesthetic — not the stark white that works in Overland Park). Quartz countertops in a warm gray with movement. Subway tile backsplash in a warm white 3x6 with a stacked vertical bond on the range wall.
Appliances: mid-tier package, owner-supplied, we installed.
LVP flooring running from the kitchen through the dining area. Recessed lighting, under-cabinet LED.
Kitchen scope: $34,200. This includes the wall opening, all cabinetry, countertops, electrical for kitchen circuits (separate from the Phase 1 panel work which covered the rough), and flooring.
Phase 3: Bathrooms
Primary bath (the only full bath): Full gut. Schluter KERDI waterproofing throughout the shower area. Zero-threshold 36” wide shower with a simple white 4x12 tile in a linear stacked pattern, frameless glass door. Double vanity replacing the original pedestal sink (tight space — we went with a 48” double rather than 60” to fit the room). Heated floor with Nuheat mat under 12x12 matte porcelain.
Bath scope: $18,400.
Half bath addition in the existing first-floor closet: We converted a 5x5 coat closet off the entry hall into a half bath (toilet and pedestal sink). The plumbing was accessible from the basement — this was the right time to do it. Permit for the new DWV rough-in, straightforward installation.
Half bath addition: $4,800.
Phase 4: Deck
A 280 SF composite deck off the rear door. TimberTech AZEK in a light gray tone, cable rail, one set of stairs. The lot drops about 4 feet from the house to the rear, so the deck is elevated at the house and stairs to grade. Proper KC frost-depth piers at 42”. One of the simpler projects in this scope.
Deck scope: $18,600.
Phase 5: Exterior and interior finish
Exterior: The original siding was cedar shingles in fair condition — cleaned, repaired in a few sections, and painted. Not replaced; these were structurally sound and appropriate for the neighborhood character.
Exterior painting + repairs: $4,200.
Interior: Paint throughout, new trim, new interior doors (replacing the hollow-core doors that a previous owner had installed — wrong for a 1940s bungalow), refinished original hardwood floors throughout the main floor.
Interior finish: $8,600.
Permits (KCMO) across all phases: $4,400.
GC overhead and PM (16-week project): $13,200.
Summary
| Phase | Scope | Cost |
|---|---|---|
| Systems (electrical, plumbing, HVAC, foundation) | Full systems update | $35,600 |
| Kitchen | Full gut + opening | $34,200 |
| Bathrooms (2) | Full gut + half-bath addition | $23,200 |
| Deck | 280 SF composite + cable rail | $18,600 |
| Exterior and interior finish | Paint, trim, floors | $12,800 |
| Permits | All phases | $4,400 |
| GC overhead and PM | 16 weeks | $13,200 |
| Total | $142,000 |
Post-renovation appraisal for financing: $375,000. The homeowner had purchased the home for $218,000. After $142,000 in renovation, total investment: $360,000. Appraised value: $375,000. They didn’t make money on paper — the renovation investment was essentially at par with the value add — but they got a fully-updated, properly-done 1940s Waldo bungalow for $360,000, which is below what comparable updated bungalows in Waldo sell for. And it’s done right, not flipped.
The lessons from this project
Do the systems first. The temptation on a cosmetic renovation is to start with the visible stuff — cabinets, countertops, tile. In a 1940s home with original electrical, original plumbing, and a mechanical system that’s been band-aided, the systems work has to come first. You cannot install new kitchen cabinetry and then run new electrical circuits behind the cabinets. The sequence matters, and the sequence requires that systems are complete before finishes begin.
Budget for the things you can’t see. We have a 7–10% contingency line on every older KC home project because the unknowns behind the walls are real and consistent. K&T wiring, galvanized pipe, undersized structural elements, water damage at penetrations — these aren’t rare surprises, they’re normal conditions in 1940s–1950s KC housing. Price for them rather than hoping they won’t show up.
The neighborhood ceiling is real. We kept this renovation at quality but not luxury — sage-green semi-custom cabinets, not full custom; mid-tier bath fixtures, not European imports; compositedecking at the mid-range, not premium. The ceiling on what this specific home will appraise at in Waldo is approximately $375,000–$400,000. Investing $180,000–$200,000 in the renovation to get Brookside finishes wouldn’t change that ceiling. Calibrate your investment to the neighborhood.