Next-Day Foundation Inspection
Structural Engineer Foundation Inspection & Written Report
Book today, inspected tomorrow. A California-licensed engineer (PE) checks your foundation for cracks, water intrusion, and settlement—and delivers a stamped report with a clear repair plan.

By the Numbers
Built for Speed and Credibility
From Booking to On-Site Visit
Years of Structural Engineering
Projects Delivered Across California
Five-Star Reviews on Thumbtack
Licensed engineering, next-day scheduling, and thousands of California homeowners served.
The Cost of Waiting
Foundation Problems Get More Expensive When the Cause Goes Unchecked
A small crack can be cosmetic—or an early sign of settlement, drainage failure, or structural movement. These planning ranges show why an independent engineering diagnosis should come before repair bids.
- $250–$800
Sealing a crack caught early
Typical epoxy injection repair planning range.
- $10,000+
Repairing settlement after it spreads
Settlement repairs can reach $5,000–$25,000; underpinning can exceed $50,000.
- 10–15%
Potential resale value discount
Industry estimate for homes marketed with unresolved foundation concerns.
- 1 in 4
Homes on expansive soil may show distress
Expansive clay can swell and shrink as moisture conditions change.
Inspect now
- A licensed PE can be on site as soon as tomorrow.
- You learn whether cracks are cosmetic or structural.
- Early repairs can remain smaller and more targeted.
- A stamped report creates a clear record for repair and property decisions.
Wait a year
- Water intrusion can add mold, rot, and drainage work to the repair scope.
- Movement can progress until piering or underpinning becomes necessary.
- Unresolved concerns can give buyers leverage or delay a transaction.
- Some lenders or insurers may request repair documentation before closing a file.
Planning ranges based on HomeAdvisor, Forbes Home, and This Old House cost reporting (2024–2026), ASCE expansive-soil research, and industry resale estimates. Actual conditions, repair scope, access, labor, and location can change costs substantially; these figures are not a project quote.
Trust & Collaboration
Independent Reports, Not Repair Sales Pitches
Unlike contractors who inspect for free and profit from the repairs they recommend, we are independent licensed engineers. On-site as soon as tomorrow, we identify the real cause of your foundation issues and deliver a certified, stamped report—protecting you from unnecessary repairs and long-term structural damage.
Crawl-space moisture guide
When water in a crawl space becomes a foundation concern
A real Pleasanton inspection shows why acceptable floor elevations do not cancel standing water, a repaired horizontal crack, efflorescence, or poor exterior drainage.
Read the crawl-space moisture and foundation guideA foundation exposed to a house fire needs a different scope than a settlement or moisture inspection. Before assuming a slab, stem wall, or anchors can support a rebuilt home, start with a fire damage structural assessment that evaluates heat exposure, testing needs, and proposed rebuild loads. Our Los Angeles fire-damaged foundation reuse guide explains the evaluation, testing, and permit documentation in more detail.
Why You Need This
Why Foundation Inspections Matter
Foundation problems worsen over time—early diagnosis saves money and prevents structural damage.
Risks of Ignoring Foundation Issues
Cracks can indicate major structural settlement
Diagonal wall cracks and uneven floors often reveal deeper foundation issues.
Moisture damage in crawl space
Water intrusion causes rot, mold, and framing failure if unaddressed.
Contractor misdiagnosis leads to unnecessary repairs
Sales-driven companies often recommend expensive work you may not need.
Benefits of a Professional Engineering Inspection
Accurate, unbiased diagnosis
We do not sell construction—our only goal is truth and safety.
Next-day inspection, fast report
On-site as soon as tomorrow; stamped report within 3–7 days with expedited options for escrow, insurance, or urgent repairs.
Engineered repair plans if needed
Stamped drawings you can use to obtain permits and get contractor bids.
Why Choose Cecilia Home
Licensed structural engineers doing on-site inspection
We crawl under the house and assess every structural component.
Precise floor level surveys
Zip-level mapping shows exact settlement patterns within millimeters.
Clear written reports for property decisions
Professional documentation for repair planning, due diligence, and permit conversations when applicable.
Foundation Inspection
What a Structural Engineer Checks During a Foundation Inspection
The inspection connects visible symptoms to the structure as a whole. We review accessible foundation elements, floor levels, crawl-space supports, drainage, and moisture conditions before explaining whether repairs, monitoring, or further testing are appropriate.

Pre-Project Foundation Assessment
Planning a remodel, addition, or ADU? We evaluate your existing foundation to confirm it can safely support new loads before you invest in design or permits.

Crack & Settlement Diagnosis
We assess foundation cracks, floor settlement, and structural movement — and distinguish cosmetic issues from true structural concerns.

Crawl Space & Moisture Inspection
Moisture, drainage, and wood deterioration are common hidden causes of foundation damage. We inspect crawl spaces to identify risks early.

Engineering Report & Repair Guidance
You receive a clear, engineer-stamped report explaining findings, risk level, and repair recommendations — without contractor bias or sales pressure.
Licensed engineers. Clear answers. No unnecessary repairs.
Design Only
Foundation Repair Recommendations & Repair Plans
When an inspection finds a structural problem, the next step is engineering, not a sales quote. We design the repair; licensed contractors build it.
Repair scope and priorities
What needs repair now, what can be monitored, and what is cosmetic, based on observed conditions and floor-level data.
Engineering calculations
Load, bearing, and member sizing for the selected repair method so the design matches your soil and structure.
Permit-ready repair drawings
Details for underpinning, helical or push piers, new footings, post-and-pier replacement, stem-wall or slab crack repair, and drainage measures where a building permit applies.
One scope for contractor bids
Give the same drawings to several licensed contractors so their repair bids are comparable, with engineering support during plan check.
Cecilia Home is a design and engineering firm. We do not perform foundation repair or construction.
See what a repair package includes: foundation repair engineering and permit-ready repair plans.
Our Process
From First Call to Stamped Report
A process built for speed—so you know where you stand within days, not weeks.
Your inspection timeline
- 01
Day 1 — Book Your Inspection
Call or message us with your address and concerns. We confirm your appointment—usually for the very next day.
- 02
Day 2 — Engineer On-Site
A licensed PE inspects your foundation, crawl space, drainage, and floor levels with precision instruments.
- 03
Stamped Engineering Report
Clear findings, risk levels, and repair recommendations formatted for practical use in permit, lender, insurance, or contractor conversations when applicable.
- 04
Repair Plan If Needed
Engineered repair drawings you can take straight to permits and competitive contractor bids. We don't sell construction.
Expedited report turnaround available for escrow and insurance deadlines.
Statewide On-Site Inspections
Foundation Inspection Service Areas
Our California-licensed engineers inspect foundations on-site in every California city. Homeowners most often book us in these areas:
Bay Area
- Oakland
- Berkeley
- Alameda
- Lafayette
- Orinda
- Moraga
- Danville
- Concord
- Walnut Creek
- San Jose
- Fremont
- Palo Alto
Central Valley
- Stockton
- Sacramento
Southern California
- Los Angeles
- San Diego
- Orange County
…and every other California city. Share the property address when you book so we can confirm the visit.
Documented inspections near you: Oakland foundation inspection, Fremont foundation inspection, Dublin foundation inspection, Castro Valley foundation inspection.
Foundation Inspection by City
- Oakland foundation inspectionOn-site foundation inspection and written report for Oakland homes, from hillside lots near the Hayward Fault to bay-plain flatlands.
- Los Angeles foundation inspectionPE structural engineers inspect Los Angeles foundations, write the report, and prepare repair plans for LADBS review.
- Danville foundation inspectionHillside lots, expansive soils, and the Calaveras Fault zone: on-site evaluation and a written report from a licensed structural engineer.
- Stockton foundation inspectionPE foundation inspections and repair design plans for Stockton homes, including flood-zone and 200-year floodplain context.
- San Jose foundation inspectionOn-site foundation inspection, written report, and repair design plans for San Jose homes. City permit required for repair work.
Client Testimonials
Trusted by California Homeowners
We noticed cracks in our foundation and weren't sure if they were serious. Mason came out, did a thorough inspection, and explained which cracks were cosmetic and which needed attention. His report gave us peace of mind.
Robert M.
Fremont, CA
Before buying our home, we hired Cecilia Home for a foundation inspection. The engineer crawled under the house and provided a detailed report within 5 days. It helped us negotiate the price and plan for future repairs.
Linda K.
Oakland, CA
Our floors were sloping and we feared the worst. Mason's team did a floor level survey and found the settlement was stable—no immediate repairs needed. They saved us from unnecessary panic and expense.
James T.
San Jose, CA
We needed a foundation inspection for our insurance claim. The engineering report was clear, professional, and accepted by our insurance company without question. Fast turnaround too.
Patricia H.
Berkeley, CA
After getting quotes from contractors that ranged wildly, we called Cecilia Home for an independent opinion. Mason's inspection report told us exactly what needed fixing and what didn't. Honest and unbiased.
Michael S.
Sunnyvale, CA
Planning a second-story addition, we needed to confirm our foundation could handle the load. Mason assessed it and provided engineering recommendations. Now our addition project is moving forward confidently.
Karen W.
Palo Alto, CA
Foundation guidance
How to read cracks, moisture, and settlement evidence

Homeowner Guides
Los Angeles Fire Damage Repair and Rebuild: Can the Foundation Be Reused?
A Los Angeles homeowner guide to engineering evaluation, testing, foundation reuse documentation, and the permit path after a major house fire.
· 10 min read

Homeowner Guides
Water in a Crawl Space: When It Becomes a Foundation Concern
A real Pleasanton inspection shows why acceptable floor elevations do not cancel standing water, a repaired horizontal crack, or poor exterior drainage.
· 10 min read

Homeowner Guides
California Foundation Inspection Guide: Cracks, Settlement, and Repair Decisions
A homeowner guide to foundation warning signs, floor-elevation surveys, old repair clues, and the evidence needed before choosing a repair.
· 9 min read
Licensed Engineering for Foundation Inspection
Is Your Foundation Inspection Team Backed by a Licensed Engineer?
Too many California homeowners lose weeks or months on foundation inspection projects when engineering is incomplete or plans are not coordinated for City review. Unreviewed structural details can also create costly rework and real safety risks. Make sure a licensed Professional Engineer stands behind every structural decision.
Led by Lei Zheng, a California-licensed Professional Engineer since 2006, Cecilia Home identifies structural risks for foundation inspection projects, prepares permit-ready calculations and drawings, and coordinates City plan-check responses—helping avoid preventable corrections, rework, and delays.
- 20 years of engineering experience
- Thousands of homeowners served

Official DCA License Record
Lei Zheng
California Professional Engineer
Founder & CEO, Cecilia Home
- License
- C-69809
- Issued
- March 17, 2006
- DCA status
- CLEAR
Status verified July 17, 2026.
Real Inspection Examples
Foundation Conditions We Have Evaluated
Review completed California foundation inspections showing the observed conditions, engineering analysis, and recommended next steps.

Oakland Foundation Inspection: Cracks, Moisture, and Support Defects
A crawl-space assessment documenting drainage problems, stem-wall cracking, damaged supports, and repair priorities.

Fremont Foundation Inspection: Drainage and Settlement
Floor-elevation measurements and site observations connected water management problems to foundation movement.

Dublin Foundation Inspection: Uneven Floors and Ventilation
An engineering assessment of floor variation, crawl-space ventilation, pier alignment, and negative drainage.

Castro Valley Hillside Foundation Inspection
A hillside home assessment documenting differential settlement, cracking, slope conditions, and stabilization options.
FAQ
Foundation Questions
Get clear answers from licensed structural engineers.
Haven't found what you're looking for?
Common signs include sloping floors, sticking doors or windows, diagonal drywall cracks, exterior concrete cracks, or gaps forming between walls and ceilings.
You can usually book a next-day on-site visit. The stamped engineering report follows within 3–7 days, with expedited turnaround for real estate transactions, severe damage, or insurance deadlines.
Contractors aim to sell repair work. We are independent licensed engineers who provide unbiased evaluations and recommend only what is truly necessary—helping clients avoid unnecessary expenses and scams.
We are independent. California-licensed Professional Engineers inspect the foundation, write the report, and, when repairs are needed, provide repair recommendations and repair design plans. We do not perform foundation repairs or sell construction, so our findings are not tied to a repair contract. Licensed contractors bid on and build the repair from our plans.
Yes. Our licensed engineers inspect foundations on-site in every California city, including the Bay Area (Oakland, Berkeley, Alameda, Danville, Concord, Lafayette, Orinda, San Jose), the Central Valley (Stockton, Sacramento), and Southern California (Los Angeles, San Diego, Orange County). Share the property address when you book so we can confirm the visit.
Structural foundation repairs may require engineered plans, depending on the repair scope and local jurisdiction. An engineer can define the load path, repair details, and documentation needed before you request permits or contractor bids.
It's a high-precision measurement of floor elevations throughout the home. The data reveals settlement patterns and structural performance over time, forming the baseline for accurate diagnosis.
The engineer reviews accessible foundation walls or slabs, posts, piers, beams, floor framing, visible cracks, drainage, moisture, and signs of movement. When useful, floor-elevation measurements document settlement patterns. The scope is visual and non-destructive unless additional testing is agreed in advance.
The written report documents observed conditions, photographs, floor-level data when collected, the engineer's assessment, repair or monitoring priorities, and practical next steps. If design work is needed, the report explains whether separate repair drawings or calculations should follow.
A structural engineer letter is usually short and answers one narrow question, such as whether a specific crack is structural. A foundation inspection report is broader: it documents observed conditions with photographs, floor-level data when collected, the engineer's assessment of likely causes, and prioritized repair or monitoring recommendations. Tell us how the document will be used (escrow, insurance, a lender, or repair planning) so the report scope matches that purpose.
Water seeping through a foundation wall or slab, or soil that stays saturated against it, usually points to a drainage source such as roof runoff, grading that slopes toward the house, a high water table, or a plumbing leak. In the short term it can cause standing water in the crawl space, efflorescence, and wood decay. Over time, saturated or expansive soil can lose bearing support or swell and shrink, contributing to settlement and cracking. An engineer separates the water source from any structural movement and recommends drainage, moisture-control, or structural repair scope as needed.
The fee depends on the home's size, crawl-space access, location, urgency, measurement needs, and whether you need a written or stamped engineering report. We confirm the scope and fixed quote before scheduling so you know what is included.
Yes. A pre-purchase or pre-sale inspection can clarify foundation concerns raised during due diligence, separate observed facts from assumptions, and give the parties a documented basis for repair planning or negotiation.
Yes. The written report and repair recommendations describe the conditions and the recommended scope, so every contractor prices the same work. When structural repair is needed, our repair design plans (details, calculations, and permit drawings) give licensed contractors a defined scope to bid, which makes estimates easier to compare. We do not provide construction pricing or perform the repair ourselves.
Related Services
If Your Report Recommends Next Steps
Engineering and permit services that often follow a foundation inspection.

Seismic Retrofit
Earthquake vulnerability assessment, retrofit design, and permit management by licensed structural engineers.

Wall Removal
Remove load-bearing walls to create more space in your home.

Building Permit Service
Coordinate permit-path review, plan preparation, submissions, and correction responses with licensed design and engineering support.