Exterior
Roof Replacement Cost
Estimate a roof replacement before calling contractors.
Typical midpoint example: $14,920
US home service cost calculators
Plan home project costs before you call a contractor.
Home project cost planning without lead-form pressure. 51828 combines calculator math, quote worksheets, source links, and local checks so homeowners can compare written bids with less guesswork.
Planning guides
10 national service calculators plus 8 pilot state versions for high-demand states.
Transparent formulas
Every calculator shows the base fee, unit rate, scope, scheduling, and location factors.
Source-backed checks
Official references are linked when safety, licensing, tax, or energy context matters.
Update history
Page maintenance log
Last reviewed
What changed
Added stronger signals for the quote-sample workflow, maintainer identity, correction path, and practical calculator-first site purpose.
Why changed
The home page should explain why the site exists and direct users to useful tools without becoming a thin landing page.
Source or feedback trigger
Internal helpful-content review and quote-data workflow rollout.
Review owner
51828 Cost Research Desk. Maintained by lengyan.
Found an outdated source, unclear formula, or useful quote example? Send the page URL and details to wwang@51828.com.
Cost calculators
Start with a national page, then use state pages when local labor and permitting can affect the bid.
Exterior
Mechanical
HVAC Repair Cost
Estimate repair cost before approving a technician visit.
Typical midpoint example: $765
Plumbing
Water Heater Replacement Cost
Estimate tank, gas, electric, and tankless replacement ranges.
Typical midpoint example: $1,700
Restoration
Mold Remediation Cost
Estimate cleanup ranges and understand containment cost drivers.
Typical midpoint example: $2,570
Yard
Tree Removal Cost
Estimate tree removal cost by height, access, and risk.
Typical midpoint example: $1,085
Exterior
Garage Door Repair Cost
Estimate repair costs for springs, openers, tracks, and panels.
Typical midpoint example: $380
Remodeling
Bathroom Remodel Cost
Estimate bathroom remodel cost by size and scope.
Typical midpoint example: $20,525
Remodeling
Kitchen Remodel Cost
Estimate kitchen remodel cost by size, cabinets, and finish level.
Typical midpoint example: $66,425
Home Care
Pest Control Cost
Estimate one-time and recurring pest control cost.
Typical midpoint example: $413
Energy
Solar Panel Cost
Estimate solar installation cost before incentives and financing.
Typical midpoint example: $22,450
Pilot city pages
51828 is testing a small set of city pages for San Antonio, Dallas, Austin, Houston, Los Angeles, San Diego, and Sacramento. These pages are not bulk-generated location swaps; each one includes local permit links, climate checks, common quote risks, and questions to ask providers.
Built for actual project planning
Each guide includes a working calculator, transparent formula, sample quote breakdown, cost drivers, quote comparison table, printable-style worksheet, red flags, contractor questions, FAQs, methodology notes, official source links where relevant, and internal links. The page should help a visitor make a better call or quote request in one sitting.
Anonymous quote sample library
51828 is adding a reviewed quote-sample workflow. Published examples will show city, state, project size, quote total, included items, excluded items, and quote month only. Names, street addresses, phone numbers, contractor identifiers, signatures, and payment details are not accepted.
Editorial approach
51828 is not a contractor directory and does not sell project leads. The first screen gives the user a tool, and the guide sections help them compare written bids, identify exclusions, and verify local requirements before hiring.
Who maintains 51828
51828 is maintained by lengyan, publisher and cost guide maintainer, from San Antonio, Texas. The maintainer is responsible for calculator assumptions, source-library updates, quote-checklist structure, and reader correction review. Public code identity: GitHub lengyan.
Transparent scope
Each guide shows the formula logic and the bid details that commonly change a contractor estimate.
Correction path
Readers can send page-specific corrections to wwang@51828.com with quote line items or official-source updates.